ASPECT BIOLOGY wØZxq cÎ  cÖvYxi wewfbœZv I †kÖwYweb¨vm 339

Aa¨vq 01 cÖvYxi wewfbœZv I †kÖwYweb¨vm

wØZxq cÎ ANIMAL DIVERSITY & CLASSIFICATION

wK coe? †Kb coe? SURVEY TABLE KZUzKz coe? wKfv‡e coe?

MAGNETIC DECISION MAKING DECISION [†h Kvi‡Y co‡e] VVI For This Year
CONCEPT NO
[hv co‡e] DU JU RU CU GST MAT DAT HSC WRITTEN MCQ
CONCEPT-01 cÖvwY‣ewPΨ I †kÖYxweb¨vm 40% 60% 50% 60% 50% 70% 70% 50%  
CONCEPT-02 mKj c‡e©i ¸iæZ¡c~Y© Z_¨vewj 80% 80% 80% 80% 50% 30% 10% 90%  
CONCEPT-03 KW©vUv c‡e©i we¯ÍvwiZ 90% 90% 90% 90% 40% 20% 10% 90%  
DU = Dhaka University, JU = Jahangirnagar University, RU = Rajshahi University, CU = Chittagong University,
GST = General University/Science & Technology University, MAT = Medical Admission Test, DAT = Dental Admission Test

CONCEPT 01 cÖvwY‣ewPΨ I †kÖwYweb¨vm

 ITEM 01 cÖvwY‣ewPΨ
c„w_exi mg¯Í RjPi, ¯jPi I †LPi cÖvYxi g‡a¨ †h wRbMZ, cÖRvwZMZ I ev¯‧ms¯vbMZ wewfbœZv †`Lv hvq †mwUB n‡”Q cÖvYxi wewfbœZv ev cÖvwY‣ewPΨ|
 cÖvwY •ewP‡Î¨i cÖKvi‡f`:
(i) wRbMZ •ewPΨ- wRbMZ Dcv`v‡b •el‡g¨i Rb¨ wRbMZ •ewP‡Î¨i D™¢e nq|
D`vniY: mKj gvbyl Homo sapiens bvgK cÖRvwZi m`m¨ n‡jI GKRb Avwd«Kvb K…òv½ c„w_ex‡Z 25wU nU¯úU
I A‡óªwjqvb †kZv½ gvby‡li †`‡ni AvK…wZ Mv‡qi I Pz‡ji iO BZ¨vw` Avjv`v| Av‡Q| evsjv‡`‡ki GKgvÎ
 wRbMZ •ewPΨ wbw`©ó GK cÖRvwZi m`m¨wfwËK nIqvq G ai‡bi •ewPΨ‡K AšÍtcÖRvwZK
nU¯úU mgMÖ wm‡jU, PÆMÖvg
•ewPΨ e‡j|
(ii) cÖRvwZMZ •ewPΨ- wewfbœ cÖRvwZi Rxe hLb GKwU wbw`©ó mg‡q GKB A‡j GKm‡½
I cve©Z¨ PÆMÖvg
emevm K‡i Ges GKwU ev¯‧Zvwš¿K m¤úª`vq M‡o †Zv‡j Zv‡K cÖRvwZMZ •ewPΨ e‡j|
D`vniY: Panthera tigris Ges Panthera leo GKB M‡Yi m`m¨ n‡jI Zviv wfbœ cÖRvwZ|
 G ai‡bi •ewPΨ‡K AvšÍtcÖRvwZK •ewPΨ e‡j|
(iii) ev¯‘Zvwš¿K •ewPΨ- GKwU Rxe m¤úª`v‡qi Ges †f․Z cwi‡e‡ki wg_w®…qvi d‡j ev¯‧Zvwš¿K
•ewP‡Î¨i D™¢e nq|
D`vniY: Z…Yf~wg, ebf~wg, giæf~wg, Rjvf~wg BZ¨vw`|
 Rxe‣ewP‡Î¨i nU¯úU (The biodiversity hotspots): †h A‡j cÖRvwZ •ewPΨ †ewk †m AÂj‡K Rxe‣ewP‡Î¨i Hotspot e‡j| 1988 wLªóv‡ã weªwUk cwi‡ekwe`
Ernst Norman Mayr cÖ_g “The Biodiversity Hotspots” kãwU cÖPjb K‡ib| †h A‡j b~¨bZg 1500wU G‡ÛwgK fv¯‥zjvi Dw™¢` cÖRvwZ i‡q‡Q, AÂjwUi g~j
emwZi AšÍZ 70% webó n‡q‡Q Ges AÂjwU c„w_exi AšÍZ 0.5%, †m AÂj‡K nU¯úU e‡j| c„w_exi nU¯ú‡Ui †gvU AvqZb c„w_ex c„‡ôi gvÎ 1.4% Ges c„w_exi
mKj fv¯‥zjvi Dw™¢` cÖRvwZi 44% I mKj ¯jPi †giæ`Ðx cÖvYx cÖRvwZi 35% G me nU¯úU¸‡jv‡Z emevm Ki‡Q|
(Ref: AvRgj m¨vi, KvBqyg m¨vi)

 ITEM 02 cÖvwYRM‡Zi †kÖwYweb¨vm

cÖvwYRM‡Zi †gvU 33wU c‡e©i (cÖavb ce© 9wU, †M․Y ce© 24wU) cÖvYx‡`i‡K wewfbœ •ewk‡ó¨i Dci wfwË K‡i fvM Kiv hvq|
 cÖvwYi †kÖwYweb¨v‡mi cÖavb wfwË:
µwgK bs wfwË µwgK bs wfwË
01 †`‡ni AvKvi 09 Dcv½
02 msMVb µggvÎv 10 cÖvwšÍKZv
03 Rxeb c×wZ 11 Zj
04 wK¬‡fR I åƒYxq weKvk 12 wm‡jvg
05 åƒY¯Íi 13 msenbZš¿
06 cÖwZmvg¨ 14 K¼vj
07 LÐKvqb 15 b‡UvKW©
08 AÂjvqb 16 †c․wóKbvwj
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 

c„ôv 339
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 cÖvwYi †kÖwYweb¨v‡mi cÖavb K‡qKwU wfwË:

†kÖYxweb¨vm

†`‡ni AvKvi AvK…wZ †Kv‡li msL¨v åƒY¯Í‡ii msL¨v

gvB‡µv g¨v‡µv GK‡Kvlx eû‡Kvlx ¯Íiwenxb wدÍix wίÍix

Amoeba, Cavia porcellus, Protozoa Porifera, Protozoa, G‡±vW©vg I G‡ÛvW©vg G‡±vW©vg, †g‡mvWvg© I G‡ÛvW©vg
Plasmodium, Balaenoptra Chordata Porifera (Cnidaria, w`‡q MwVZ| Platyhelminthes
Trichodina anabasi muscules Ctenophora) †_‡K Chordata

†g‡mvWvg© †_‡K m„ó †cwi‡Uvwbqvg †`‡ni ga¨‡iLxq Z‡ji `yÕcv‡k m`„k

wm‡jvg wSwjø Øviv Ave„Z MnŸi cÖwZmvg¨ As‡ki Ae¯v‡bi Dci wfwË K‡i

A¨vwm‡jv‡gU my¨‡Wvwm‡jv‡gU BDwm‡jv‡gU AcÖwZmvg¨ wØcvk©xq cÖwZmvg¨ Aixq cÖwZmvg¨ †Mvjxq cÖwZmvg¨
Cnidaria, Platyhelminthes, Loa loa (†PvL K…wg), evwK ce©¸‡jv Pila globosa, gvbyl, e¨vO, Hydra, Volvox,
Porifera, Ctenophora Nematoda, Rotifera, Amoeba, cÖRvcwZ Aurelia, mx- Radiolaria,
Kinorhyncha Sponge A¨vwbgb Heliozoa

GKB iKg LЇKi cybive„wˇK åƒY Ae¯vq ev AvRxeb †`‡ni c„ôga¨‡iLv

†gUv‡gwiRg e‡j LÐKvqb eivei Aew¯Z bgbxq w¯wZ¯vcK I wQ`ªhy³ b‡UvKW© †giæ`Û
wUmy¨i `Ð

mgLÐKvqb AmgLÐKvqb LÐKvqwenxb b‡UvKW©hy³ b‡UvKW©wenxb †giæ`Ûx A‡giæ`Ûx

†Ku‡Pv (evwn¨K I Af¨šÍixY), cZ½ mgy`ª Zviv, e¨vO, mvc, †Ku‡Pv, Nvmdwos, gkv, gvbyl, e¨vO mvc, †Ku‡Pv
gvbyl (Af¨šÍixY) wSubyK gvbyl, A¨vwmwWqv †cÖv‡Uv‡Rvqv, GKvB‡bvWvg©vUv

cÖvwšÍKZv U¨vMgvUvB‡Rkb Zj Rxeb-hvcb †c․wóK bvjx

g¯ÍK I gy‡Li Av‡_©ªv‡cvWv c‡e©i cÖwZmvg¨ cÖvYx‡K
Ae¯v‡bi Dci wfwË cÖvYx‡`‡ni LÛK wewfbœ Z‡j fvM
K‡i cÖvYxi †`‡ni wgwjZ n‡q AÂj Kiv hvq| ga¨‡iLxq gy³Rxex ciRxex c¨viv‡Rvqv G‡›U‡iv‡Rvqv
†giæKiY Kiv nq m„wó K‡i G‡K Zj, m¤§yL Zj, gvbyl, KeyZi K…wg, fvBivm (bvjxhy³) (bvjxwenxb) Cnidaria
Zv‡K cÖvwšÍKZv e‡j| AÂjvqb e‡j| AbycÖ¯ Zj BZ¨vw`| (Columba livia) Porifera †_‡K Chordata
msMVb gvÎv

†Kvlxq msMVb †KvlKjv ev wUmy¨ msMVb wUmy¨-A½ gvÎvi MVb A½-Zš¿ msMVb
cÖvYx‡`‡ni †Kvl¸‡jv KLbI cÖvYx‡`‡ni GKB ¯vb †_‡K m„ó ¯^v”Q›`¨ Rxeb-hvc‡bi Rb¨ hLb GKvwaK cÖvYx‡`‡ni KZ¸‡jv wUmy¨ GK‡Î †Kvb
wUmy¨ ev †KvlKjvq web¨¯Í bv Ges GKB ai‡bi Kv‡R wb‡qvwRZ wUmy¨-wbwg©Z wewfbœ A‡½i mgvnvi N‡U ZLb wbw`©ó KvR Kivi Rb¨ †`‡ni †Kvb Ask
n‡q wX‡jXvjvfv‡e mw¾Z †Kvl¸‡jv wewfbœ ai‡bi wUmy¨ MVb †mB MVb‡K wUmy¨-A½ gvÎvi MVb e‡j| MVb K‡i, Zv‡K A½ e‡j| D`v:
_v‡K| D`v: Porifera K‡i| D`v: Cnidaria D`v: Platyhelminthes Platyhelminthes †_‡K Chordata
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg)

SAQ BAQ
Short Ans Question WRITTEN SUGGESTION Broad Ans Question

 cÖvYx •ewPΨ Kv‡K e‡j?

DËi: c„w_exi mg¯Í RjPi, ¯jPi I †LPi cÖvYxi g‡a¨ †h wRbMZ, cÖRvwZMZ I ev¯‧ms¯vbMZ wewfbœZv †`Lv hvq †mwUB n‡”Q cÖvYxi wewfbœZv ev cÖvwY‣ewPΨ|
 evsjv‡`‡ki nU¯úU Gi bvg Kx?
DËi: evsjv‡`‡ki GKgvÎ nU¯úU wm‡jU, PÆMÖvg I cve©Z¨ PÆMÖvg AÂj|
 msMVb gvÎv Kx?
DËi: cÖvYxi †Kvlxq µgbgZvi cÖwZwU ¯Íi‡K msMVb gvÎv e‡j|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi wewfbœZv I †kÖwYweb¨vm 341

 wm‡jv‡gi cÖKvi‡f` wjL D`vniY mn?

DËi: wm‡jv‡gi cÖKvi‡f` D`vniY mn :
wm‡jvg ce©
A¨vwm‡jv‡gU Porifera, Platyhelminthes (Fasciola heptica) Ges Cnidaria
BDwm‡jv‡gU Mollusca, Arthropoda, Annelida, Chordata, Echinodermata, Hemichordata
my¨‡Wvwm‡jv‡gU Nematoda, Rotifera, Kinorhyncha, Loa loa
 cÖwZmvg¨Zv Kx, D`vniY mn wjL?
DËi: A‡ÿi mv‡_ mvgÄm¨ †i‡L cÖvwY‡`‡ni wewfbœ A‡½i mylg eÈb‡K cÖwZmvg¨ e‡j| Ab¨fv‡e ejv hvq, cÖvwY‡`n‡K †Kv‡bv Aÿ ev Zj eivei m`„k¨ mgvb
Ask wefvRb Kivi wbqg‡K cÖwZmvg¨ e‡j| cÖvwYRM‡Z cÖavbZ wb¤œewY©Z 5 ai‡bi cÖwZmvg¨ cwijwÿZ nq|
cÖwZmvg¨Zvi aib D`vniY
†Mvjxq cÖwZmvg¨ Volvox, Radiolaria, Heliozoa
Aixq cÖwZmvg¨ nvBWªv, †Rwjwdk (Aurelia), mx A¨vwbgb (Metridium)
wØAixq cÖwZmvg¨ Ctenophora RvZxq cÖvYxi †`n (†hgb: Ceoloplana)
wØcvk¦©xq cÖwZmvg¨ cÖRvcwZ, e¨vO, gvbyl
AcÖwZmvg¨ ¯úÄ, kvgyK, A¨vwgev

REAL TEST  ANALYSIS OF PREVIOUS YEAR QUESTIONS

STEP 01 ANALYSIS OF DU QUESTION Ans B Why wm‡jv‡gi cÖKvi‡f`:
01. Aixq cÖwZmvg¨Zv †`Lv hvq? [DU,18-19; PUST. 17-18] bvg D`vniY
A. Ctenophora B. Gastropoda C. Porifera D. Cnidaria Porifera, Cnidaria, Ctenophora,
A¨vwm‡jv‡gU ev wm‡jvgwenxb
Ans D Why Volvox, Radiolaria, Heliozoa †Z †Mvjxq cÖwZmvg¨, Platyhelminthes
Ceoloplana, Ctenophora †Z wØ-Aixq cÖwZmvg¨ I Cnidaria c‡e©i my¨‡Wvwm‡jv‡gU ev AcÖK…Z
Nematoda, Rotifera, Kinorhyncha
cÖvYx‡Z Aixq cÖwZmvg¨ †`Lv hvq| wm‡jvghy³
02. wmD‡Wvwm‡jvg (Pseudocoelom) †Kvb cÖvYxc‡e©i •ewkó¨? BDwm‡jv‡gU ev cÖK…Z Mollusca, Annelida, Arthropoda,
[DU.17-18;MAT. 14-15; CU.12-13] wm‡jvghy³ Echinodermata, Hemichordata
A. †bgv‡UvWv B. wbWvwiqv C. wU‡bv‡dviv D. cøvwU‡njwgb‡_m
06. wØ-Aixq cÖwZmvg¨Zvi D`vniY †KvbwU? [JU: Unit-D; Set-I;19-20]
Ans A Why my¨‡Wvwm‡jv‡gU ev AcÖK…Z wm‡jv‡gU †`Lv hvq Nematoda,
Rotifera, Kinorhyncha cÖf…wZ ce©fz³ cÖvYx‡`i| A. Volvox B. Aurelia C. Ceoloplana D. Homo
Ans C Wh y wewfbœ ai‡bi cÖwZmvg¨Zv:
03. †Kvb cÖvYxwU wØcvk^x©q cÖwZmvg¨ bq? [DU: 17-18]
A. A¨vwgev B. hK…Z K…wg C. weovj D. nvwZ Ans A cÖwZmvg¨Zvi aib D`vniY
†Mvjxq cÖwZmvg¨ Volvox, Radiolaria, Heliozoa
STEP 02 ANALYSIS OF JU QUESTION Aixq cÖwZmvg¨ nvBWªv, †Rwjwdk (Aurelia), mx A¨vwbgb (Metridium)
01. †Kvb c‡e©i cÖvYxiv A¨vwm‡jv‡gU? [JU-D, Set-G. 20-21] wØAixq cÖwZmvg¨ Ctenophora RvZxq cÖvYxi †`n (†hgb: Ceoloplana)
A. Porifera B. Nematoda C. Rotifera D. Mollusca wØcvk¦©xq cÖwZmvg¨ cÖRvcwZ, e¨vO, gvbyl
Ans A Why wm‡jv‡gi cÖKvi‡f`: AcÖwZmvg¨ ¯úÄ, kvgyK
wm‡jvg ce© 07. Platyhelminthes c‡e©i cÖvYxiv †Kvb ai‡Yi? [JU,Unit-D,Set-A,18-19]
Porifera, Platyhelminthes (Fasciola heptica)
A¨vwm‡jv‡gU A. A¨vwm‡jv‡gU B. BDwm‡jv‡gU
Ges Cnidaria
C. my¨‡Wvwm‡jv‡gU D. mycviwm‡jv‡gU Ans A
Mollusca, Arthropoda, Annelida, Chordata,
BDwm‡jv‡gU 08. Aixq cÖ wZmvg¨f‚ ³ cÖ v Yx †KvbwU? [JU,Unit-D,Set-D,18-19]
Echinodermata, Hemichordata
my¨‡Wvwm‡jv‡gU Nematoda, Rotifera, Kinorhyncha, Loa loa A. Volvox sp. B. Homo sapiens
C. Pila globosa D. Hydra vulgaris Ans D
02. †Kvb c‡e©i cÖvYxiv wدÍix? [JU-D, Set-D. 20-21]
09. Nematoda ce©fz³ cÖvYxi †`nMnŸi †Kvb ai‡bi? [JU: D; 17-18 Set: 05]
A. Chordata B. Cnidaria C. Annelida D. Platyhelminthes
A. A¨vwm‡jv‡gU B. my¨‡Wvwm‡jv‡gU
Ans B Why wbWvwiqv c‡e©i cÖvYx‡Z †g‡mvWv‡g©i cwie‡Z© †g‡mvwMøqv
C. BDwm‡jv‡gU D. †Kv‡bvwUB bq Ans B
Ae¯vb K‡i|
10. cÖvwY‡`‡ni A¼xqZj ej‡Z Kx eySvq? [JU: D; 17-18 Set: 07]
03. Aixq cÖwZmvg¨Zvi D`vniY †KvbwU? [JU: Unit-D; Set-A/B;19-20]
A. gv_vi cÖvšÍ B. cv‡ki w`K C. Zj‡`k D. c„ôfvM Ans C
A. Radiolaria B. Heliozoa C. Aurelia D. Pila
11. ¯ú‡Äi †`‡n †Kvb ai‡bi cÖwZmvg¨Zv †`Lv hvq? [JU: D; 17-18 Set: 09]
Ans C Why cÖwZmvg¨Zv: [JU. 19-20, Set-I Gi cÖ‡kœi e¨vL¨v †`‡Lv]
04. †Kvb ce©f~³ cÖvYxiv A¨vwm‡jv‡gU? [JU: Unit-D; Set-Q;19-20]
A. Aixq B. wØ-Aixq
A. Porifera B. Platyhelminthes C. Nematoda D. A + B C. wØ-cvk^x©q D. AcÖwZmvg¨ Ans D
Ans D Why wm‡jv‡gi cÖKvi‡f`: [JU. 19-20, Set-M Gi cÖ‡kœi 12. wdZvK…wg Kx ai‡bi cÖvYx? [JU:D.17-18]
e¨vL¨v †`‡Lv|] A. GK¯Íix B. w`¯Íix C. wίÍix D. ¯Íiwenxb Ans C
05. †Kvb ce©fz³ cÖvYxiv my¨‡Wvwm‡jv‡gU? [JU: Unit-D; Set-M;19-20] 13. Av‡_©ªv‡cvWv c‡e©i cÖvwY‡`‡n wK iKg LÛKvqb cvIqv hvq? [JU:D13-14]
A. Porifera B. Rotifera C. Annelida D. Ectoprocta A. evwn¨K B. Af¨šÍixY C. evwn¨K I Af¨šÍixY D. †KvbwUB bq Ans A
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
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14. mgy`Z
ª vivq †Kvb ai‡bi cÖwZmvg¨Zv †`Lv hvq? [JU:D13-14] 02. †hme cÖvYxi †`‡n †c․wóKbvwj _v‡K Zv‡`i‡K ejv nq? [CU-A, Shift-4. 20-21]
A. †Mvjxq B. Aixq C. wØ-cvk¦x©q D. AcÖwZmvg¨ Ans B A. c¨viv‡Rvqv B. G›Uv‡iv‡Rvqv C. †gUv‡Rvqv D. †cÖv‡Uv‡Rvqv
15. nU¯úU ej‡Z eySvq wb‡¤œi †KvbwU? [JU,Unit-D,11-12; RU F2 10-11] Ans B Why †c․wóK bvjxi wfwˇZ cÖvwY‡`i †kÖwYweb¨vm:
A. Rxe‣ewP‡Î¨ mg„× AÂj B. cÖZœZvwZ¡K AÂj  c¨viv‡Rvqv: †hme cÖvYxi †`‡n †Kv‡bv wbw`©ó †c․wóKbvwj ev MnŸi _v‡K
C. we‡bv`b AÂj D. †Rvqvi fvUv AÂj Ans A bv †m¸‡jv‡K c¨viv‡Rvqv e‡j| D`vniY: cwi‡div ce©fz³ cÖvYx
 G‡›U‡iv‡Rvqv: †hme cÖvYxi †`‡n wbw`©ó †c․wóKbvwj ev MnŸi _v‡K
STEP 03 ANALYSIS OF RU QUESTION †m¸‡jv‡K G‡›U‡iv‡Rvqv e‡j| D`vniY: Cnidaria †_‡K Chordata
01. wدÍix cÖvwY‡Z wb‡Pi †KvbwU Dcw¯’Z? [RU. Sinovac, Set-1. 20-21] ce© ch©šÍ mKj cÖvYx|
A. G‡±vW©vg B. G‡ÛvWvg© C. †g‡mvwMøqv D. me¸‡jvB 03. Aixq cÖwZmg cÖvYxi D`vniY n‡jv- [CU. 18-19; JU-D. 17-18; BU. 17-18]
Ans D Why wدÍix cÖvwY‡Z †g‡mvWv‡g©i cwie‡Z© †gv‡mvwMøqv _v‡K| A. Volvox B. Metridium C. Ceoloplana D. Cliona Ans B
04. Eucoelomate bq Kviv? [CU: F1. 16-17]
wbWvwiqv c‡e©i cÖvwYiv wدÍix|
A. Annelida B. Arthropoda
02. wb‡Pi †KvbwU A¨vwm‡jv‡gU? [RU. Moderna, Set-2. 20-21]
C. Echinodermata D. Mollusca E. Nematoda Ans E
A. Taenia solium B. Ascaris lumbricoides 05. wb‡Pi †KvbwU †Mvjxq cÖwZmvg¨ cÖvwY? [CU.15-16]
C. Pila globosa D. Wuchereria bancrofti
A. †Rwjwdm B. gvbyl
Ans A Why wm‡jv‡gi cÖKvi‡f`:
C. †Ku‡Pv D. fjf· E. evbi Ans D
 A¨vwm‡jv‡gU ev wm‡jvgwenxb: Porifera, Cnidaria, Ctenophora,
06. †kÖYxKiY Abyhvqx cÖvwYRM‡Z me©‡gvU KZwU ce© i‡q‡Q? [CU.15-16]
Platyhelminthes
A. 30wU B. 33wU
 my¨‡Wvwm‡jv‡gU ev AcÖK…Z wm‡jvghy³: Loa Loa (†PvL K…wg), Nematoda,
C. 35wU D. 37wU E. 50wU Ans B
Rotifera, Kinorhyncha
07. A¨vwm‡jv‡gU †KvbwU? [CU G 2012-13]
 BDwm‡jv‡gU ev cÖK…Z wm‡jvghy³: Mollusca, Annelida, Arthropoda, A. †Rwjwdk B. †MvjK…wg
Echinodermata, Hemichordata
C. †Ku‡Pv D. †RvuK E. wPswo Ans A
03. wدÍix cÖvYxi D`vniY- [RU,SG-2,18-19]
A. Aurelia B. Bufo C. Spongilla D. Ascaris Ans A
STEP 05 ANALYSIS OF DU-7 Clg QUESTION
04. wb‡Pi †Kvb cÖvYxwU †c÷? [RU: F3; 17-18]
A. K¨vU wdm B. WM wdm 01. wb‡Pi †Kvb c‡e© i cÖvwY¸wj my¨‡Wvwm‡jv‡gU? [DU. 7Clg-A: 20-21]

C. ÷vi wdm D. wmjfvi wdm Ans D

A. Nematoda B. Mollusca C. Annelida D. Chordata
Ans A Why wm‡jv‡gi cÖKvi‡f`:
05. Acoelomate cÖvYx wb‡Pi †KvbwU? [RU.16-17, 11-12]
 A¨vwm‡jv‡gU ev wm‡jvgwenxb: Porifera, Cnidaria, Ctenophora,
A. Chordata B. Rotifera
C. Platyhelminthes D. Nematoda Ans C
Platyhelminthes.
06. c„w_exi me©vwaK Rxe‣ewPΨ AÂj‡K wK e‡j? [RU.16-17;NU.12-13]
 my¨‡Wvwm‡jv‡gU ev AcÖK…Z wm‡jvghy³: Loa Loa (†PvL K…wg), Nematoda,
A. Greep Spot B. Hotspot Rotifera, Kinorhyncha.
C. Safe Spot D. White Spot Ans B  BDwm‡jv‡gU ev cÖK…Z wm‡jvghy³: Mollusca, Annelida, Arthropoda,
07. †KvbwU Aixq cÖwZmv‡g¨i AšÍfz©³ bq? [RU.15-16] Echinodermata, Hemichordata.
A. nvBWªv B. †Rwjwdm C. mx A¨vwbgb D. †iwWIjvwiqv Ans D
08. kvgy‡K †Kvb ai‡bi cÖwZmvg¨ †`Lv hvq? [RU.15-16] STEP 06 ANALYSIS OF GST QUESTION
A. †Mvjxq B. cÖwZmvg¨ C. wØ-cvwk¦©q D. AcÖwZmvg¨ Ans D PART A Analysis of General University Question
09. A¨vwm‡jv‡gU cÖvYx‡`i †`‡ni, GwcWvwg©m I M¨v‡÷ªvWvwg©‡mi ga¨eZ©x ¯’vbwU
JnU
†h Kjv Øviv c~Y© _v‡K- [RU.15-16]
01. cÖvwYRM‡Zi cÖ_g wίÍix Kviv? [JnU.11-12]
A. c¨v‡ibKvBgv B. †¯‥‡jibKvBgv
A. Cnidaria B. Porifera
C. †g‡mbKvBgv D. c¨v‡ibKvBgyjv Ans C C. Platyhelminthes D. Mollusca Ans C
10. cÖK…Z wm‡jvg †Kvb cÖvYx‡Z †`Lv hvq? [RU.11-12]
A. †cÖv‡Uv‡Rvqv B. cwi‡div C. †bgv‡UvWv D. GwbwjWv Ans D IU
11. wdZv K…wg †Kvb ai‡Yi cÖvwY? [RU.11-12]
01. †KvbwU mZ¨ bq? [IU: D; 15-16]

A. A¨vwm‡jv‡gU B. cÖK…Z wm‡jv‡gU A. Homo sapiens Gi cÖ wZmvg¨ AcÖ wZmg

C. AcÖK…Z wm‡jv‡gU D. Dc‡ii †KvbwUB bq Ans A
B. Chordata dvBjvgmg~‡ni cÖvYxiv wίÍix
C. †`n cÖvPxi Ges †c․wóKbvwji ga¨eZx© dvuKv ¯vb‡K †`nMnŸi e‡j
12. cÖwZmvg¨nxb GKwU cÖvYx n‡”QÑ [RU.09-10]
D. Amoeba GK †Kvlx cÖvYx Ans A
A. †Ku‡Pv B. ¯úÄ C. †Rjxwdm D. nvBWªv Ans B
JKKNIU
STEP 04 ANALYSIS OF CU QUESTION 01. †KvbwU AcÖwZmg cÖvYx? [JKKNIU: B; 17-18]
01. wØ-cvk¦©xq wK¬‡fR †Kvb c‡e©i cÖvwYi •ewkó¨? [CU-A, Shift-4. 20-21] A. Bwjk B. ZvivgvQ
A. Arthropoda B. Chordata C. Annelida D. Mollusca C. nvBWªv D. A¨vwgev Ans D
Ans B Why wK¬‡f‡Ri wfwˇZ cÖvYx‡`i †kÖwYwefvM:
BU
 Aixq wK¬‡fR: Arthropoda c‡e©i cÖvwY‡`i wK¬‡fR| 01. wb‡¤œi †KvbwU AcÖK…Z wm‡jv‡gi D`vniY? [BU.15-16]
 wØcvk¦©xq: Chordata c‡e©i cÖvwY‡`i wK¬‡fR| A. Mollusca B. Annelida
 mwc©j wK¬‡fR: Annelida I Mollusca c‡e©i cÖvwY‡`i wK¬‡fR| C. Nematoda D. Platyhelminthes Ans C
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi wewfbœZv I †kÖwYweb¨vm 343

PART B Analysis of Science & Technology Question STEP 08 ANALYSIS OF HSC BOARD QUESTION
SUST Dhaka Board
01. ÔRxe‡bi •ewPΨgqZv‡KB Rxe •ewPΨ e‡jÕ ÑG msÁvwU †K w`‡q‡Qb? 01. Aixq cÖwZmvg¨Zvi D`vniY †KvbwU? [Xv.†ev. 2017]
[SUST 14-15] A. Volvox B. Julus C. Pila D. Hydra Ans D
A. wbDUb B. n¨vwgjUb
C. WviDBb D. g¨v‡Ûj E. IqvUmb Ges wµK Ans B
Rajshahi Board
01. wm‡jvghy³ cÖvYx †KvbwU? [iv.†ev. 2019]
MBSTU
A. ¯úÄ B. †Rwj wdk
01. kvgy‡Ki cÖwZmvg¨Zv †Kvb ai‡Yi? [MBSTU: Unit-B; 19-20]
C. P¨vÞv K…wg D. †Zjv‡cvKv Ans D
A. AcÖwZmvg¨ B. wØcvkx©q C. wØAixq D. Aixq
02. mgy`ª Zviv Gi cÖwZmvg¨Zv †Kvb ai‡bi? [iv.†ev. 2017]
Ans A Why cÖwZmvg¨Zvi D`vniY : [JU. 19-20, Set-I Gi cÖ‡kœi A. wØcvk¦©xq B. †Mvjxq C. cÂ-Aixq D. wØ-Aixq Ans C
e¨vL¨v †`‡Lv|]
Chattogram Board
PUST 01. wb‡Pi †Kvb cÖvYxwU Aixqfv‡e cÖwZmg? [P.†ev. 2017]
01. wb‡Pi †Kvb c‡e©i cÖvwY‡`i Aixq cÖwZmvg¨ •ewkó¨ Av‡Q? [PUST-B: 17-18] A. weovj B. †Ku‡Pv C. kvgyK D. nvBWªv Ans D
A. Platyhelminthes B. Cnidaria
C. Nematoda D. Annelida Ans B Dinajpur Board
01. †KvbwU Aixq cÖwZmg cÖvYx? [w`.†ev-2021]
STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION A. KxUcZ½ B. nvBWªv C. ZvivMvQ D. ¯úÄ Ans B
02. wb‡¤œi †Kvb cÖvYx‡Z wmD‡Wvwm‡jvg †`Lv hvq? [w`.†ev. 2019]
MAT
A. Fasciola hepatica B. Taenia solium
01. wm‡jvgnxb ce© †KvbwU? [MAT: 19-20] C. Ascaris lumbricoides D. Metaphire posthuma Ans C
A. Nematoda B. Annelida 03. AcÖwZmvg¨Zvi D`vniY †KvbwU? [w`.†ev. 2017]
C. Chordata D. Fasciola hepatica A. Volvox B. Pila C. Hydra D. Julus Ans B
Ans D Why wm‡jv‡gi cÖKvi‡f`: [JU. 19-20, Set-M Gi cÖ‡kœi e¨vL¨v †`‡Lv]
02. wb‡Pi †KvbwU wØAixq cÖwZmvg¨ cÖvYxi D`vniY? [MAT.17-18]
Jashore Board
01. Kjv msMVb gvÎvi ce© n‡jvÑ [h.†ev. 2017]
A. nvBWªv B. †Rjx wdm
A. Porifera B. Cnidaria C. Nematoda D. Chordata Ans B
C. wU‡bv‡dviv D. mx A¨vwbgb Ans C
03. åvšÍ wm‡jvghy³ cÖvYxi ce© †KvbwU? [MAT.14-15] Cumilla Board
A. Platyhelminthes B. Nematoda 01. †Kvb cÖvYxwU wØ-Aixq cÖwZmg? [Kz.†ev. 2017]
C. Arthropoda D. Cnidaria Ans B A. Metridium B. Clioda
04. hLb †Kvb cÖvYxi †`n‡K A¶ eivei †Q` Ki‡j GKeviI mgvb `ywU As‡k C. Ceoloplana D. Auredia Ans C
fvM Kiv hvq bv ZLb Zv‡K AcÖwZmvg¨ e‡j| wb‡¤œi †Kvb cÖvYxwU Barisal Board
AcÖwZmvg¨? [MAT .13-14]
01. wb‡¤œi †Kvb cÖvYx A¨vwm‡jv‡gU? [e.†ev. 2017]
A. nvBWªv B. †Zjv‡cvKv A. Ascaris lumbricoides B. Taenia solium
C. kvgyK D. e¨vO Ans C C. Metaphire posthuma D. Julus rerrestris Ans B

CONCEPT 02 mKj c‡e©i ¸iæZ¡c~Y© Z_¨vewj

c‡e©i bvg •ewkó¨ †kÖwY D`vniY
cwi‡div (¯úÄ/wQ`ªvj cÖvYx)  G‡`i †`nZ¡K w¯úwKDj ev K›UKhy³ Ges  Class-1: Calcarea
bvgKviK: Grant (1836) cÖvYxiv wbðj| (gUKv ¯úÄ)
kbv³K…Z cÖRvwZ: 8659  G‡`i †`n cÖvPxi Aw÷qv bvgK AmsL¨  Class-2:
(AvRgj), 15000 (Avwjg) wQ`ªhy³| Hexactinellida (`wo
 msenbZ‡š¿i weKí wn‡m‡e bvwjZš¿ _v‡K| ¯úÄ)  Spongilla lacustris (wgVv cvwbi ¯úÄ)
 †Kvqv‡bvmvBU bv‡g d¬v‡Rjvhy³ †Kv‡l  Class-3:  Cliona celata (jvj ¯úÄ)
cwi‡ewóZ cÖ‡Kvô _v‡K| Demospongiae (wgVv  Cholina Sp
 bvwjZš¿ ¯ú‡Ävwmj bv‡g MnŸ‡i wgwjZ n‡q cvwbi ¯úÄ)|  Euspongia officinalis (†Mvmj ¯úÄ)
AmKz¨jv‡g gy³ nq|  Scypha gelatinosum (gUKv ¯úÄ)

 TRICKS & TIPS TnT

Mnemonic: bxj cix †Kb ¯^‡cœ Avmj|
bxj cix †Kb ¯^‡cœ Avm‡jv
    
bvjxZš¿ Pore (wQ`ª) †Kvqv‡bvmvBU ¯ú‡Ävwmj, ¯úwÄb, w¯úwKDj Aw÷qv, AmKz¨jvg
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
344 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

c‡e©i bvg •ewkó¨ †kÖwY D`vniY

wbWvwiqv  `yB †Kvl ¯Í‡ii g‡a¨ †g‡mvwMøqv bvgK  Class-1: Hydrozoa
(mgy‡`ªi Rain forest ev A‡Kvlxq ¯Íi we`¨gvb| (nvBWªv)
mgy‡`ªi dzj)  †`nvf¨šÍ‡i wm‡j‡›Uib bvgK cwicvK  Class-2: Scyphozoa
bvgKviK: Hatschek msenb MnŸi _v‡K| (†Rwjwdk)
 RxebP‡µ w¯’i cwjc (Polyp) ev gy³  Class-3: Cubozoa
(AvRgj) ev Leuckart Metridium
mÂvibkxj †gWzmv (Medusa) `kv cvIqv (e· †Rwjwdk)  Hydra viridis (nvBWªv)
(Avjxg) (1888) hvq, eûiƒwcZv †`Lv hvq|
kbv³K…Z cÖRvwZ: 10203  Class-4: Anthozoa  Aurelia aurita (†Rwjwdm)
 †bgv‡Uvwm÷ aviYKvix wb‡WvmvBU †Kvl _v‡K| (mgy`ª cvjK)
(AvRgj), 9000 (Avjxg)  mvgyw`ªK cÖRvwZi 25% cÖevj cÖvPxi •Zwi  Physalia physalis (dvB‡mwjqv)
K‡i Ges 20 cÖRvwZ ¯^v`y cvwb‡Z evm K‡i|  Pennatula sulcata (mgy‡`ªi Kjg)

 TRICKS & TIPS TnT

 Mnemonic: wm‡j‡Ui †g‡m cwbi wدÍix
wm‡j‡Ui †g‡m cwbi wدÍix
  
wm‡j‡›Uib †gWzjv, †g‡mvwMøqv cwjc, wb‡WvmvBU, †bgv‡Uvwm÷ †Kvl
cøvwU‡njwgb‡_m (P¨vÞv K…wg)  Giv Dfqwjw½K I †`n wmwjqvhy³ GwcWvwg©m  Class-1: Turbellaria
bvgKviK: Minot (1876) A_ev wKDwUKj Øviv Ave„Z| (cø¨v‡bwiqv)
kbv³K…Z cÖRvwZ: 29487  wkLv‡Kvl bvgK †Kv‡li mvnv‡h¨ †iPb  Class-2: Trematoda
(AvRgj), 29500 (Avjxg) m¤úv`b K‡i| (hK…Z K…wg)
 †PvlK A_ev ûK A_ev DfqB _v‡K|  Class-3: Monogenea  Fosciola hepatica (hK…Z K…wg)
 jvf©v`kv †`Lv hvq| (m¨vjgb K„wg)  Schistosoma mansoni (i³ K…wg)
 †iPbZš¿ wkLv‡Kvl I †iPb bvwj w`‡q MwVZ|  Calss-4: Cestoda  Echinococcus granulosus
(wdZvK…wZ)  Taenia solium (wdZv K…wg)
 TRICKS & TIPS TnT
 Mnemonic: wkLv Avcy wZb ev‡ii gZ †Pvi
wkLv Avcy wZb ev‡ii gZ †Pvi
  
wkLv‡Kvl A¨vwm‡jv‡gU, c¨v‡ibKvBgv †Kvl, ciRxex wίÍix †PvlK
 †`n Bjvw÷b wbwg©Z A‡Kvlxq wKDwUK‡j Ave„Z| 
†bgv‡UvWv (bjvKvi cÖvYx) Class-1: Secernentea  Ascaris lumbricoides (†MvjK…wg)
bvgKviK: Gogenbour (1859)  k^mbZš¿ I msenbZš¿ Abycw¯’Z| (†MvjK…wg)  Enterobius vermicularis (¸ov K…wg)
kbv³K…Z cÖRvwZ: 25033  †h․b wØiƒcZv †`Lv hvq, b‡ji †fZi bj  Class-2: Adenophorea  Wuchereria bancrofti (dvB‡jwiqv K…wg)
(AvRgj), 12500 (Avjxg) (Tube within a tube) _v‡K| (PveyK K…wg)|  Ancylostoma duodenale (ûKK…wg)
 myZv K…wg (Thread worm) ev †MvjK…wg  Loa loa (†PvL K…wg)
(Round worm) bv‡g cwiwPZ|  Trichuris trichuria (PveyK K…wg)

 TRICKS & TIPS TnT

 Mnemonic: Neymar Gi mskq †K‡U, AZtci wØcvI wmDj †Mj
Neymar mskq †K‡U AZtci wØcv wmDj †Mj
   
Nematoda i³msenbZš¿ k¦mbZš¿ wKDwUKj Tube AšÍtciRxex wØcvk¦x©q wmD‡Wvwm‡jv‡gU
bvB bvB within a tube cÖwZmg
gjv¯‥v (K‡¤^vR cÖvYx)  wØcvk^©xq cÖwZmvg¨ (M¨v‡÷ªv‡cvWv e¨ZxZ)|  Class-1: Caudofoveata
bvgKviK: Linnaeus (1758)  g¨v›Uj bvgK cvZjv †Lvj‡K Ave„Z| (PKP‡K K…wg)
(AvRgj) ev Jonston (Avjxg)  g¨v›Uj w`‡q k^mb m¤úbœ nq Ges Aa©gy³  Class-2: Polyplacophora
kbv³K…Z cÖRvwZ: 84977 msenbZš¿ †`Lv hvq| (KvBUb)
(AvRgj), 100000 (Avjxg)  gyL MnŸi KvBwUb wbwg©Z, i¨vwZ wRnŸv ev i¨vWzjv  Class-3: Gastropoda  Helix pormatia (evMvb kvgyK)
 cÖvYx RM‡Zi wØZxq e„nËg _v‡K| (kvgyK)  Pila globosa (Av‡cj kvgyK)
ce©  †`nMnŸi wn‡gvwm‡j cwiYZ nq|  Class-4: Bivalvia (wSbyK)  Sepia officinalis
 Calss-5: Cephalopoda  Loligo edulis
 i‡³ wn‡gvmvqvwbb I A¨vwg‡evmvBU _v‡K
(A‡±vcvm)  Lamellidens marginalis (¯^v`y cvwbi wSbyK)
Ges wWg cv‡o|
 Sepia offcinalis (K¨vUj wdk)
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi wewfbœZv I †kÖwYweb¨vm 345

c‡e©i bvg •ewkó¨ †kÖwY D`vniY

 TRICKS & TIPS TnT
 Mnemonic: †g›Uvj wngy Avwg©, i¨ve‡K wcUvq
†g›Uvj wngy Avwg© i¨ve †K
    
g¨v›Uj wn‡gvwmj, wn‡gvmvqvwbb A¨vwg‡evmvBU i¨vWzjv KvBwUb
A¨vwbwjWv (A½yixgvj cÖvYx)  †`n wØcvk©xq cÖwZmg Ges wKDwUK‡j Ave„Z _v‡K|  Class-1: Polychaeta
bvgKviK: Lamarck (1809)  Pjb A½ KvBwUbgq wmwU ev †ckj c¨viv‡cvwWqv| (†bwim)
kbv³K…Z cÖRvwZ: 17388  †bwd«wWqv bvgK c¨vPv‡bv bvwjKv cÖavb †iPb A½  Calss-2:
(AvRgj), 17000 (Avjxg) wn‡m‡e KvR K‡i| Oligochaeta (†Ku‡Pv)
 i³msenbZš¿ e× Ges i³i‡m wn‡gv‡Møvweb,  Class-3: Hirudinea  Metaphire posthuma (†Ku‡Pv)
wn‡gvGwiw_ªb A_ev †K¬v‡ivµ‡qvwib _v‡K| (†RuvK)  Nenthes virens (†bwim)
 †Uªv‡Kv‡dvi bvgK jvf©vi weKvk N‡U Ges cÖK…Z LÛvqb  Hirudinaria manillensis/medicinalis (†RuvK)
Dcw¯’Z|  Tubifex tubifex (i³ wKU)

 TRICKS & TIPS TnT

 Mnemonic: ATN Gi PC eÜ I LÐ LÐ
A T N P C eÜ LÐ LÐ
      
Annelida Trochophore Nephridia Parapodia Cuticle e× msenbZš¿ cÖK…Z LÐKvqb
Av‡_ª©v‡cvWv (mÜxc`x cÖvYx)  AšÍtwb‡lK nq Ges †gUvgiwdRg (iƒcvšÍi) N‡U|  Class- Arachnida (gvKomv)
bvgKviK: Von Siebold  g¨vjwcwRqvb bvwjKv †iPb A½, i³  Class- Melacostraca (wPswo)
(AvRgj) ev Latreille (KvBqyg) msenbZš¿ Db¥y³|  Class- Diplopoda (kZc`x)
(1848)  †`n mwÜhy³ Dcv½wewkó Ges U¨vMgvUvq wef³|  Class- Insecta (†Zjv‡cvKv)  Carcinus manius (KvuKov)
kbv³K…Z cÖRvwZ: 1257040  gv_vq A¨v‡›Ubv I GK‡Rvov cyÄvwÿ _v‡K|  Penaeus monodon (evM`v wPswo)
(AvRgj), 1257000 (Avjxg)  wn‡gvwmj bvgK †`n MnŸi _v‡K|  Periplaneta americana (†Zjv‡cvKv)
 cÖvYxRM‡Zi me‡P‡q eo ce©  ewnt¯ K¼vj KvBwUb wbwg©Z Ges wbqwgZ  Culex Pipiens (gkv)
†gvwPZ nq|  Musca domestica (gvwQ)

 TRICKS & TIPS TnT

 Mnemonic: wngy I Avwg UvmwK †Ljvg
wngy Avwg UvmwK †Ljvg
  
wn‡gvwmj A¨v‡›Ubv g¨vjwcwRqvb bvwjKv U¨vMgvUv mwÜcw` KvBwUb cyÄvwÿ
GKvB‡bvWvg©vUv  c~Y©v½ cÖvYxiv cÂAixq cÖwZmvg¨ Ges †`n  Class-1: Crinoidea (mgy`ª cÙv)
(K›UKZ¡K cÖvYx) †g․wLK I we‡g․wLK Z‡j web¨¯Í (†g․wLK  Class-2: Concentricycloidea
bvgKviK: Jacob klein Z‡j 5wU A¨v¤^yj¨vµvj Lv` _v‡K)| (mvMi †WBwR)
(1734)  cvwb msenbZš¿ Dcw¯Z, Gi mswkøó wUDe wdU  Class-3: Asteroidea (mgy`ª Zviv)
kbv³K…Z cÖRvwZ: 7550 G‡`i PjbA½|  Class-4: Ophiuroidea (mc© Zviv)  Asterias vulgaris (mgy`ª Zviv)
(AvRgj), 7500 (Avjxg)  †iPbZš¿ I i³ msenZš¿ Abycw¯Z Z‡e wngvj  Class-5: Echinoidea (mvMi AvwP©b)  Holothuria impatiens (mgy`ªkmv)
 mKj m`m¨B mvgyw`ªK| I †cwiwngvjZš¿ msenbZ‡š¿i KvR K‡i|  Class-6: Holothuroidea (mgy`ª kmv)
 †`L‡Z Zvivi g‡Zv|
 TRICKS & TIPS TnT
 Mnemonic: KvKvi cuvPUv wewe wnDR my›`ix
KvKvi cuvPUv wewe wnDR my›`ix
   
KÈKgq cÂAixq wUDe wdU we‡g․wLK/†g․wLK wngvj/†cwiwngvj mvgyw`ªK
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi, nvmvb m¨vi)

 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
346 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

SAQ BAQ
Short Ans Question WRITTEN SUGGESTION Broad Ans Question

 Platyhelminthes Ges Nemathelminthes Gi cuvPwU cÖavb cv_©K¨ wjL| [DU. 20-21]

DËi: Platyhelminthes Ges Nemathelminthes Gi cuvPwU cv_©K¨:
Platyhelminthes Nemathelminthes/Nematoda
†`n P¨vÞv †`n bjvKvi
wkLv‡Kvl †iPbZš¿ wnwm‡e KvR K‡i †iPbZš¿ _v‡K bv
Giv P¨vÞv ev wdZvK…wg bv‡g cwiwPZ Giv myZvK…wg ev †MvjK…wg bv‡g cwiwPZ
wm‡jvg Abycw¯Z my¨‡Wvwm‡jv‡gU
cÖvYxiv Dfwj½ AwaKvsk cÖvYxiv GKwj½
 wb‡¤œv³ cÖvYx‡`i •eÁvwbK bvg wjL| [DU. 19-20]
a. †MvjK…wg b. Av‡cj kvgyK c. †RuvK d. iæBgvQ e. Nwoqvj f. †`v‡qj|
DËi:
cÖvwYi bvg •eÁvwbK bvg cÖvwYi bvg •eÁvwbK bvg
†MvjK…wg Ascaris lumbricoides Av‡cj kvgyK Pila globosa
†RuvK Hirudinaria medicinalis iæBgvQ Labeo rohita
Nwoqvj Gavialis gangeticus †`v‡qj Copsychus saularis

 A¨vwbwjWv c‡e©i cÖvYx‡`i •ewkó¨mg~n wjL| [PUST. Unit-A, 19-20]

DËi: A¨vwbwjWvi •ewkó¨ :
1. †`n j¤^v, bjvKvi, wØcvk¦©xq cÖwZmg, Gwc‡_wjqvg wbtm„Z cvZjv wKDwUKj-G Ave„Z Ges cÖK…Z wm‡jvghy³|
2. cÖK…Z LÛKvqb (True segmentation) Dcw¯Z, G‡`i Pjb A½ KvBwUbgq wmwU (Setae) ev †ckj c¨viv‡cvwWqv (Parapodia)|
3. †bwd«wWqv (Nephridia) bvgK cu¨vPv‡bv bvwjKv cÖavb †iPb A½ wn‡m‡e KvR K‡i|
4. i³ msenbZš¿ eÜ (Closed) cÖK…wZi|
5. †c․wóKbvwj bjvKvi I m¤ú~Y©; gyL I cvqywQ`ª mgwš^Z|
6. c‡ivÿ cwiùzU‡bi †ÿ‡Î gy³ muvZviæ †Uªv‡Kv‡dvi (Trochophore) bvgK jvf©vi weKvk N‡U|
 Mollusca I Arthropoda c‡e©i 5wU K‡i •ewkó¨ wjL| [JnU. 18-19, Shift-1]
DËi:
Mollusca c‡e©i i) †`n big, gvsmj I ALÛKvwqZ| ii) g¨v›Uj bvgK cvZjv Avei‡Y †`n Ave„Z| iii) gyLweŸ‡i KvBwUb wbwg©Z GKwU †iwZ wRnŸv
5wU •ewkó¨: ev i¨vWzjv _v‡K| iv) i‡³ wn‡gvmvqvwbb I A¨vwg‡evmvBU KwYKv _v‡K| v) Aa©gy³ msenbZš¿ †`Lv hvq|
Arthropoda c‡e©i i) g¯Í‡K GK‡Rvov ev `y‡Rvov A¨v‡›Ubv I mvaviYZ GK‡Rvov cyÄvwÿ _v‡K| ii) ewntK¼vj KvBwUb wbwg©Z Ges wbqwgZ †gvwPZ
5wU •ewkó¨ nq| iii) i³ msenbZš¿ Db¥y³ GwU c„ôxq ms‡KvPbkxj ürhš¿, agwb Ges wn‡gvwmj wb‡q MwVZ| iv) †iPb A½ g¨vjwcwRqvb
bvwjKv, GQvovI i‡q‡Q K·vj, A¨v‡›Ubvj ev g¨vw·jvwi MÖwš| v) †`n mwÜhy³ Dcv½wewkó, wØ-cvk^©xq cÖwZmg, LÛKvwqZ Ges
U¨vMgvUvq wef³|
 cÖvYx¸‡jvi •eÁvwbK bvg wjL?
i. wMwbwcM ii. K¨vUj wdk iii. cÖRvcwZ iv. mgy`ª Zviv v. †Zjv‡cvKv
DËi:
cÖvYxi bvg •eÁvwbK bvg
wMwbwcM Cavia porcellus
K¨vUj wdk Sepia officinalis
cÖRvcwZ Pieris brassicae
mgy`ª Zviv Astropecten euryacanthus
†Zjv‡cvKv Periplaneta americana
 Nematoda c‡e©i 5wU •ewkó¨ wjL?
DËi: Nematoda-i •ewkó¨:
1. †`n bjvKvi, wØcvk¦©xq cÖwZmg, Dfq cÖvšÍB µgk miæ I ga¨fvM PIov; AvYyexÿwYK †_‡K GK wgUvi ch©šÍ j¤^v|
2. cÖvYxiv my¨‡Wvwm‡jv‡gU (AcÖK…Z wm‡jvghy³) I ALÐKvwqZ|
3. †`n bgbxq; Bjvw÷b wbwg©Z A‡Kvlxq, cyiæ cÖwZ‡ivaÿg wKDwUKj w`‡q Ave„Z|
4. k¦mbZš¿ I msenbZš¿ Abycw¯Z|
5. AwaKvsk cÖvYx GKwj½, †h․b wØiƒcZv †`Lv hvq|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi wewfbœZv I †kÖwYweb¨vm 347

 cwi‡div c‡e©i 5wU cÖvYxi •eÁvwbK bvg mn D`vniY `vI?

DËi: cwi‡div c‡e©i 5wU cÖvYxi bvg n‡jv:
Euplectella aspergillum (BD‡cø‡±jv), Hyalonema (nvqv‡jv‡bgv), Leucosolenia (wjD‡Kv‡mv‡jwbqv), Scypha gelatinosum (mvBKb), Spongilla
lacustris (¯úwÄjv)|
 †h․b wØiƒcZv ej‡Z Kx eyS?
DËi: GKB cÖRvwZi ¯¿x I cyiæl m`m¨ eY© AvKvi, AvK…wZ ev MvVwbKfv‡e c„_K n‡j Zv‡K †h․b wØiƒcZv e‡j|
 eûiƒwcZv Kx? [wm. †ev. 2017]
DËi: †Kv‡bv cÖvYxi RxebP‡µ hw` GKvwaK ai‡bi `kv †`Lv hvq Zv‡`i‡K eûiƒcZv e‡j| †hgb- Cnidaria c‡e©i cÖvYx‡`i cwjc I †gWzmv `kv we`¨gvb|
 Aw÷qv Kx? [iv. †ev. 2017]
DËi: Porifera c‡e©i cÖvYxi (†hgb- Scypha gelatinosun ) †`ncÖvPx‡i Aew¯Z AmsL¨ ÿz`ª ÿz`ª wQ`ª‡K Aw÷qv e‡j|

REAL TEST  ANALYSIS OF PREVIOUS YEAR QUESTIONS

STEP 01 ANALYSIS OF DU QUESTION Ans D Why cÖRvcwZ cÖvYxKz‡ji wZb †Rvov eÿt‡`kxq cv I `y‡Rvov
Wvbvi ms‡hvM mvab K‡i Ges enb K‡i I GK‡Rvov ï½ Av‡Q|
01. P¨vÞv K„wgi •eÁvwbK bvg wK? [DU. 20-21]
08. mwÜhy³ c` †Kvb c‡e©i cÖvwY‡`i cÖavb •ewkó¨? [DU.14-15,BAU.09-10]
A. Loa loa B. Fasciola hepatica
C. Ascaris lumbricoides D. None of them A. A¨vwbwjWv B. GKvB‡bvWvg©vUv
Ans B Why wewfbœ cÖvwYi •eÁvwbK bvg: C. Av‡_©ªv‡cvWv D. KW©vUv
•eÁvwbK bvg bvg Ans C Why Av‡_ª©v‡cvWv c‡e©i cÖvYx‡`i †`n mwÜhy³ Dcv½wewkó,
wØcvk^©xq cÖwZmg, LÛKvwqZ Ges U¨vMgvUvq wef³|
Loa loa †Mvj K…wg (†PvL K…wg)
09. A¨vwgevi Pjb A‡½i bvg wK? [DU.13-14]
Fasciola hepatica P¨vÞv K…wg (hK„Z K…wg)
A. gvB‡µvwfjvB B. wmD‡Wv‡cvwWqvg C. wmwjqv D. d¬v‡Rjv
Ascaris lumbricoides †Mvj K…wg (†Ku‡Pv K…wg)
Ans B Why A¨vwgevi Pjb A‡½i bvg wmD‡Wv‡cvwWqvg| ÿYc`,
02. g¨v›Uj wb‡Pi †Kvb c‡e©i •ewkó¨? [DU. 20-21]
d¬v‡Rjv ev wmwjqv bvgK A‡½i gva¨‡g ev †`n‡Kv‡li ms‡KvPb cÖmviY Øviv
A. Arthropoda B. Mollusca C. Annelida D. Echinodermata
PjvPj K‡i|
Ans B Why gjv¯‥v c‡e©i •ewkó¨:
10. Zviv gv‡Qi nviv‡bv evû cybtMV‡bi c×wZ? [DU.08-09]
 wØcvk^©xq cÖwZmvg¨ (M¨v‡÷ªv‡cvWv e¨ZxZ)| A. Regeneration B. Automixes
 g¨v›Uj bvgK cvZjv †Lvj‡K Ave„Z| C. Budding D. Fusion
 g¨v›Uj w`‡q k^mb m¤úbœ nq Ges Aa©gy³ msenbZš¿ †`Lv hvq| Ans A Why Regeneration ej‡Z eySvq g„Z †Kvl RxweZ nq ev
 gyL MnŸi KvBwUb wbwg©Z, i¨vwZ wRnŸv ev i¨vWzjv (Bivalvia e¨ZxZ) _v‡K| nviv‡bv evû cybtMVb c×wZ| Automixis A_© n‡”Q cv‡_©v‡R‡bwmm cÖwµqv,
 †`nMnŸi wn‡gvwm‡j cwiYZ nq| Fusion A_© n‡”Q wgjb|
 i‡³ wn‡gvmvqvwbb I A¨vwg‡evmvBU _v‡K Ges wWg cv‡o| 11. †Rwjwd‡mi jvf©vi bvgÑ [DU.06-07]
03. wkLv‡Kvl †h c‡e©i •ewkó¨- [DU.19-20] A. Tornaria B. Ephyra
A. Av‡_ª©v‡cvWv B. A¨vwbwjWv C. gjv¯‥v D. cøvwU‡njwgb‡_m C. Trochophore D. Ammoecete
Ans B Wh y wewfbœ jvf© v :
Ans D Why cøvwU‡njwgb‡_m Gi •ewkó¨:
i. A¨vwm‡jv‡gU ii. †PvlK ev ûK ce©/Dcce© jvf©vi bvg
iii. †iPbZš¿ kvLv-cÖkvLv hy³ †iPbbvwj I wkLv †Kvl (Flame cell) w`‡q MwVZ| Porifera A¨vwçeø v ÷z jv ev c¨v‡ibKvBgyjv
iv. AwaKvsk ciRxex Ges A‡bK ai‡bi jvf©v `kv we`¨gvb| Cnidaria Plannula
04. ¯‥zBW †h ce©fz³ cÖvYx- [DU. 18-19] †iwWqv, mviKvwiqv, †¯úv‡ivwm÷,
Platyhelminthes
A. Porifera B. Platyhelminthes C. Mollusca D. Nematoda wmw÷mviKvm
Ans C Why ¯‥zBW, kvgyK, A‡±vcvm BZ¨vw` gjv¯‥v c‡e©i cÖvYx| Mollusca †Uªv‡Kv‡dvi ev †fwjRvi ev MøwPwWqvg
05. g¨v›Uj †Kvb c‡e©i cÖvYx‡Z †`Lv hvq? Annelida †Uªv‡Kv‡dvi
[DU.17-18,01-02;CU.15-16,12-13; BAU. 01-02; BSMRSTU. 18-19] evBwcbvwiqv, AwiKz¨jvwiqv,
A. Protozoa B. Arthropoda C. Mollusca D. Echinodermata Echinodermata
AwdDwKUvm ev GKvB‡bvwKUvm
Ans C Why gjv¯‥v c‡e©i cÖvYx‡`i g¨v›Uj bvgK cvZjv Avei‡Y †`n Urochordata I Amphibia U¨vW‡cvj
Ave„Z| g¨v›Uj †_‡K ÿwiZ c`v‡_© Pzbgq †LvjK MwVZ nq| mvaviYZ Petromyzontida ev j¨vg‡cÖ A¨v‡gvwmU
†Lvj‡Ki g‡a¨ cÖvYx Ae¯vb K‡i|
12. †Kvb c‡e©i cÖvwY‡Z †Kvqv‡bvmvBU _v‡K? [DU.06-07; JU:D,17-18; RU:G,10-11]
06. cÖevj †Kvb ce©fz³? [DU.16-17]
A. Protozoa B. Cnidaria
A. cwi‡div B. wbWvwiqv C. A¨vwbwjWv D. KW©vUv
C. Porifera D. Crustacea Ans C
Ans B Why cÖevj I cÖevj cÖvPxi MVbKvix cÖvYxiv wbWvwiqv c‡e©i 13. wkLv‡Kvl _v‡K †Kvb cÖvwY‡Z? [DU.05-06; BU:F2, 12-13]
m`m¨| GRb¨ wbWvwiqvb cÖvYx‡`i mgy‡`ªi dzj ejv nq| A. Carcinus maenas B. Hirudo medicinalis
07. †Kvb cÖvYxK~‡ji wZb †Rvov e¶t‡`kxq cv I GK‡Rvov ï½ Av‡Q? [DU.15-16] C. Schistosoma mansoni D. Hydra viridis
A. KuvKov (Crab) B. wPswo (Shrimp) Ans C Why cøvwU‡njwgb‡_m c‡e©i cÖvYx‡`i i³ msenb I k^mbZš¿
C. gvKomv (Spider) D. cÖRvcwZ (Butterfly) Abycw¯Z; †iPbZš¿ kvLv-cÖkvLvhy³ †iPbbvwj I wkLv †Kvl wb‡q MwVZ|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
348 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

14. †KvbwU‡Z †bwd«wWqv †bB? [DU.04-05] 13. wb‡Pi †KvbwU wbWvwiqv c‡e©i •ewkó¨ bq? [JU:D,15-16]
A. Pheretima posthuma B. Hirudinaria viridis A. Aixq cÖwZmg B. †g‡mvwMøqv _v‡K
C. Wucheria bancrofti D. Neanthes virsens C. †`n g¨v›Uj Ave„Z D. †bgv‡Uvwm÷ _v‡K Ans C
Ans C Why A¨vwbwjWv c‡e©i cÖvYx‡`i †`‡ni cÖvq cÖwZwU LÛ‡K Aew¯Z 14. Ectoporcta c‡e©i cÖvwY‡`‡ni gy‡Li PZzw`©‡K †h Kwk©Kvevnx A½ _v‡K
†bwd«wWqv bvgK cu¨vPv‡bv bvwjKv cÖavb †iPb A½ _v‡K| †hgb- Tubifex tubifex| Zvi bvg wK? [JU:D,13-14]
15. cvwb msenbZ‡š¿i Dcw¯’wZ †Kvb c‡e©i cÖvwY‡Z †`Lv hvq? [DU.02-03; CU.17-18] A. cwjcvBW B. †jv‡dv‡dvi C. wmw÷W D. †fjvg Ans B
A. Porifera B. Echinodermata 15. Cavia porcellus wb‡¤œi †Kvb order Gi AšÍf‚©³? [JU:D,13-14]
C. Mollusca D. Chordata Ans B
A. Rodentia B. Columbiformes
Ans B Why GKvB‡bvWvg©vUv c‡e©i cÖvYx‡`i †`‡ni wfZ‡i wm‡jvg †_‡K C. Vertebrata D. Cavidae Ans A
m„ó Abb¨ Mo‡bi cvwb msenbZš¿ i‡q‡Q| 16. Fasciola hepatica †Kvb c‡e©i AšÍfz©³ cÖvYx? [JU:D,12-13]
A. Porifera B. Platyhelminthes
STEP 02 ANALYSIS OF JU QUESTION C. Nematoda D. Annelida Ans B
01. cwi‡div c‡e© †KvbwU _v‡K? [JU-D, Set-T. 20-21] 17. Spongilla lacustris †Kvb c‡e©i AšÍfz©³ cÖvYx? [JU:D,12-13]
A. †g‡mvwMøqv B. †b‡gv‡Uvwm÷ C. Aw÷qv D. g¨v›Uj A. Protozoa B. Porifera
Ans C Why cwi‡div c‡e©i •ewkó¨: C. Cnidaria D. Nematoda Ans B
 G‡`i †`nZ¡K w¯úwKDj ev K›UKhy³ Ges cÖvYxiv wbðj| 18. Sepia officinalis †Kvb c‡e© i AšÍ f ©
z ³ cÖ v Yx? [JU:D,12-13]

 G‡`i †`n cÖvPxi Aw÷qv bvgK AmsL¨ wQ`ªhy³| A. Porifera B. Cnidaria

C. Mollusca D. Echinodermata Ans C
 msenbZ‡š¿i weKí wn‡m‡e bvwjZš¿ _v‡K|
19. cÖvwYwe`¨vi †Kvb kvLvq Platyheliminthes ce©fz³ cÖvYx m¤^‡Ü Av‡jvPbv
 †Kvqv‡bvmvBU bv‡g d¬v‡Rjvhy³ †Kv‡l cwi‡ewóZ cÖ‡Kvô _v‡K|
Kiv nq? [JU.12-13]
 bvwjZš¿ ¯ú‡Ävwmj bv‡g MnŸ‡i wgwjZ n‡q AmKz¨jv‡g gy³ nq| A. Nematology B. Helminthology
02. Cnidaria ce©‡K KqwU †kÖwY‡Z fvM Kiv n‡q‡Q? [JU-D, Set-F. 20-21] C. Entomology D. Conchology Ans B
A. 7 B. 5 C. 4 D. 3 20. cÖvwYwe`¨vi †Kvb kvLvq Nematoda ce©fz³ cÖvYx m¤^‡Ü Av‡jvPbv Kiv
Ans C Why Cnidaria ce©‡K 4wU †kÖwY‡Z fvM Kiv hvq: nq? [JU. 12-13]
1. Hydrozoa, 2. Scyphozoa, 3. Cubozoa, 4. Anthozoa. A. Entomology B. Ichthyology
03. †Kvb cÖvYx‡Z w¯úwKDj we`¨gvb? [JU: Unit-D; Set-M;19-20] C. Helminthology D. Nematology Ans D
A. Aurelia B. Ascaris C. Spongilla D. Astropecten 21. cÖvwYwe`¨vi †Kvb kvLvq Arthropoda ce©fz³ cÖvYx m¤^‡Ü Av‡jvPbv Kiv
Ans C Why Spongilla cwi‡div ce©fz³ cÖvYx| G c‡e© w¯úwKDj ev nq? [JU:D, 12-13]
¯úwÄb †`‡ni KvVv‡gv MVb K‡i| Avi ¯ú‡Ävwmj bvgK †`n MnŸi A. Helminthology B. Nematology
AmKz¨jvg bvgK wQ`ªc‡_ †`‡ni evwn‡i Db¥y³ nq| C. Entomology D. Herpetology Ans C
04. Abb¨ Mo‡bi cvwb msenbZš¿ cvIqv hvq †KvbwU‡Z? [JU: Unit-D, Set-A/B;19-20] 22. cÖvwYwe`¨vi †Kvb kvLvq Mollusca ce©fz³ cÖvYx m¤^‡Ü Av‡jvPbv Kiv nq
A. Astropecten B. Pila C. Spongilla D. Aurelia [JU:D, 12-13]
Ans A Why GKvB‡bvWvg©vUv c‡e©i cÖvYx‡`i †`‡ni †fZ‡i wm‡jvg †_‡K A. Ornithology B. Conchology
m„ó Abb¨ Mo‡bi cvwb msenbZš¿ i‡q‡Q| Astropecten euryacanthus n‡”Q C. Herpetology D. Entomology Ans B
GKvB‡bvWvg©vUv c‡e©i cÖvYx| 23. Loa loa †Kvb c‡e© i AšÍ f ©
z ³ cÖ v Yx? [JU:D, 12-13]
05. †Kvb c‡e©i cÖvYx‡`i mgy‡`ªi dzj ejv nq? [JU:D;Set-I,18-19] A. Protozoa B. Platyhelminthes
A. Protozoa B. Porifera C. Nematoda D. Annelida Ans C
C. Rotifera D. Cnidaria Ans D 24. Iivjwmwi †KvbwU‡Z Dcw¯’ Z ? [JU:D,11-12]
06. †Kvb c‡e©i cÖvYx‡Z †bgv‡Uvwm÷ aviYKvix wb‡WvmvBU bvgK we‡kl †Kvl A. Urochordata B. Cephalochordata
_v‡K? [JU:D;Set-H,18-19] C. Cephalaspidomorphi D. Agnatha Ans B
A. Porifera B. Nematoda 25. †¯‥ v ‡j· cvIqv hvq †Kvb †kÖ Y xfz ³ cÖv wY‡Z? [JU:D,11-12]
C. Cnidaria D. Echinodermata Ans C A. Turbellaria B. Trematoda
07. Arthropoda ce©f‚³ cÖvYxKz‡ji g‡a¨ †Kvb cÖvYxi `„wókw³ AwaKZi C. Monogenea D. Cestoda Ans D
DbœZ? [JU:D;Set-I,18-19]
A. Avi‡kvjv B. wPswo C. gkv D. Nvmdwos Ans D
STEP 03 ANALYSIS OF RU QUESTION
08. †Kvb cÖvYx‡Z wn‡gvmvqvwbb _v‡K bv? [JU: D, 17-18] 01. wb‡¤œi †KvbwU Cnidaria c‡e©i cÖvYx bq? [RU. Moderna, Set-2. 20-21]
A. wSbyK B. mgy`ª-Zxi C. A‡±vcvm D. KvuKov Ans D A. Spongilla B. Aurelia C. Porpita D. Pennatula
09. cwi‡div c‡e©i cÖvYx‡`‡n cvwb cÖ‡ek I †ei nIqvi wQ`ªØ‡qi bvg h_vµ‡gÑ Ans A Wh y wewfbœ c‡e© i cÖ v Yx:
[JU: D, 17-18; Set: 03] c‡e©i bvg cÖvYxi bvg
A. ¯ú‡Ävwmj, ¯úwÄb B. Aw÷qv, ¯úvwÄb cwi‡div ¯úÄ
C. AmKzjvg, ¯ú‡Ävwmj D. Aw÷qv, AmKz¨jvg Ans D
wbWvwiqv †Rwjwdk, nvBWªv, Porpita
10. Cnidaria k‡ãi A_© Kx? [JU: D, 17-18; Set: 03]
cøvwU‡njwgb‡_m hK…ZK…wg, wdZvK…wg
A. enb Kiv B. AvK…wZ C. iƒc D. mshy³ Ans D
†bgv‡UvWv †PvLK…wg, †MvjK…wg
11. †Kvb cÖvwYi †iPbZš¿ †bB? [JU:D,17-18]
gjv¯‥v kvgyK, wSbyK, A‡±vcvm
A. cvjK ÷vi B. †Ku‡Pv C. i³KxU D. †RuvK Ans A
12. †Kvb c‡e©i cÖvwY‡Z Uª‡Kv‡dvi jvf©v †`Lv hvq? [JU:D,17-18]
A¨vwbwjWv †RuvK, †Ku‡Pv
A. Annelida B. Arthropoda Av‡_©ªv‡cvWv wPswo, gkv, Nvmdwos, †g․gvwQ
C. Nematolda D. Cnidaria Ans A GKvB‡bvWvg©vUv Zviv gvQ
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi wewfbœZv I †kÖwYweb¨vm 349

02. †bwd«wWqv wK? [RU: 19-20]

STEP 04 ANALYSIS OF CU QUESTION
A. †Ku‡Pvi Pjb A½ B. †Ku‡Pvi k¦mb A½
01. Echinodermata c‡e©i •ewkó¨ †KvbwU? [CU-A, Shift-3. 20-21]
C. †Ku‡Pvi †iPb A½ D. †Ku‡Pvi cÖRbb A½
A. †`n AcÖwZmg B. †`n wKDwUKj Øviv Ave„Z
Ans C Why Annelida c‡e©i cÖvYx‡`i †`‡n cÖvq cÖwZwU LÛ‡K Aew¯Z
C. †`n †LvjK Øviv Ave„Z D. ewntK¼vj K›UKgq
†bwd«wWqv bvgK cu¨vPv‡bv bvwjKv cÖavb †iPb A½ wn‡m‡e KvR K‡i|
Ans D Why GKvB‡bvWvg©vUv c‡e©i cÖvwYi •ewkó¨:
03. “Flower of the sea” †Kvb c‡e©i cÖvYx‡`i ejv nq? [RU:SG-1,18-19]
 c~Y©v½ cÖvYxiv cÂAixq cÖwZmvg¨ Ges †`n †g․wLK I we‡g․wLK Z‡j
A. cwi‡div B. †bgv‡UvWv web¨¯Í (†g․wLK Z‡j 5wU A¨v¤^yj¨vµvj Lv` _v‡K)|
C. GKvB‡bvWvg©vUv D. wbWvwiqv Ans D
 cvwb msenbZš¿ Dcw¯Z, Gi mswkøó wUDe wdU G‡`i PjbA½|
04. Vorticella †Kvb ce©fz³ cÖvYx? [RU.17-18]
 †iPbZš¿ I i³ msenZš¿ Abycw¯Z Z‡e wngvj I †cwiwngvjZš¿
A. Annelida B. Protozoa msenbZ‡š¿i KvR K‡i|
C. Porifera D. Mollusca Ans B
 †`L‡Z Zvivi g‡Zv|
05. wb‡Pi †Kvb cÖvwYwU Insecta †kÖwYi AšÍM©Z? [RU.17-18]
02. Jelly fish †Kvb ce©f~³ cÖvYx? [CU-A, Shift-1/4. 20-21]
A. gvKokv B. wPswo C. DKzb D. Ryjvm Ans C A. Annelida B. Cnidaria C. Porifera D. Arthropoda
06. wPswoi mvuZv‡ii cvÕ†K ejv nqÑ [RU: G2; 17-18]
Ans B Why wewfbœ c‡e©i cÖvYx:
A. wcøI‡cvW B. †iv÷ªvg
c‡e©i bvg cÖvYxi bvg
C. wcwiI‡cvW D. BD‡iv‡cvW Ans A
cwi‡div ¯úÄ
07. †K cÖ_g cwi‡div ce©wUi bvgKiY K‡ib? [RU.15-16]
wbWvwiqv †Rwjwdk, nvBWªv, Porpita
A. Hatchek B. Grant
C. Cuvier D. Schultz Ans B
cøv wU‡njwgb‡_m hK…ZK…wg, wdZvK…wg
08. †Ku‡Pvi cwicvKZ‡š¿i Avwš¿K wmKvg KZZg LÛvs‡k Aew¯’Z? [RU.12-13] †bgv‡UvWv †PvLK…wg, †MvjK…wg
A. 26 Zg B. 17 Zg gjv¯‥ v kvgyK, wSbyK, A‡±vcvm
C. 50 Zg D. 30 Zg Ans A
A¨vwbwjWv †RuvK, †Ku‡Pv
09. hK…Z K…wgi •eÁvwbK bvg n‡jv- [RU.12-13]
Av‡_©ªv‡cvWv wPswo, gkv, Nvmdwos, †g․gvwQ
A. Asccals lumbricides B. Fasciola hepatica
GKvB‡bvWvg© v Uv Zviv gvQ
C. Wuchereria bancrofti D. Duodenale Ans B 03. †Kvb c‡e©i cÖvYx‡Z Aw÷qv _v‡K? [CU-A, Shift-2. 20-21;JU-D.18-19]
10. Cnidaria c‡e©i †Kvb †kÖYx‡Z †gWzmv `kv †bB? [RU.12-13] A. Chidaria B. Porifera C. Nematoda D. Annelida
A. Scyphozoa B. Anthozoa Ans B Why cwi‡div c‡e©i •ewkó¨:
C. Cubozoa D. Hydrozoa Ans B  G‡`i †`nZ¡K w¯úwKDj ev K›UKhy³ Ges cÖvYxiv wbðj|
11. Mollusca c‡e©i cÖvwY‡`i Shell ‣Zwi nq †KvbwU w`‡q? [RU.12-13]  G‡`i †`n cÖvPxi Aw÷qv bvgK AmsL¨ wQ`ªhy³|
A. K¨vjwmqvg Kve©‡bU B. K¨vjwmqvg dm‡dU  msenbZ‡š¿i weKí wn‡m‡e bvwjZš¿ _v‡K|
C. K¨vjwmqvg A·v‡jU D. †mvwWqvg Kve©‡bU Ans A  †Kvqv‡bvmvBU bv‡g d¬v‡Rjvhy³ †Kv‡l cwi‡ewóZ cÖ‡Kvô _v‡K|
12. †bgv‡UvWv c‡e©i cÖvYx‡`i Avwe¯‥…Z cÖRvwZi msL¨v KZ? [RU.11-12]  bvwjZš¿ ¯ú‡Ävwmj bv‡g MnŸ‡i wgwjZ n‡q AmKz¨jv‡g gy³ nq|
A. 5000 B. 12000 C. 25000 D. 32000 Ans C 04. †Kvb c‡e©i cÖvYx‡`i wn‡gvwm‡jv‡gU ejv nq? [CU-A, Shift-2. 20-21]
13. cwi‡div c‡e©i AšÍM©Z cÖvYx †Kvb&wU? [RU.11-12] A. Chidaria B. Arthopoda C. Nematoda D. Annelida
A. Scypha B. Ascaris Ans B Why Av‡_©v‡cvWv c‡e©i cÖvYx‡`i i³c~Y© †`nMnŸi‡K wn‡gvwmj
C. Metaphire D. Lamethdens Ans A e‡j Ges i³‡K wn‡gvwjç e‡j|
14. wb‡Pi †Kvb •ewÁvwbK bvgwU mwVK bq? [RU.11-12] 05. wm‡j‡›Uib cvIqv hvq †Kvb cÖvYx‡Z? [CU-A, Shift-3. 20-21]
A. †cuPv-Bubo bubo B. †MvLiv-Naja naja A. gvbyl B. Avi‡kvjv C. nvBWªv D. gvQ
C. †mvbv e¨vO-Rana tigrina D. j¨vg‡cÖ- Sphyrna zyaena Ans D y
Ans C Wh wbWvwiqv c‡e©i cÖvYx‡`i †`nvf¨šÍ‡i wm‡j‡›Uib bv‡g
15. wb‡Pi †KvbwU Arthropoda c‡e©i AšÍfz©³ bq? [RU.11-12] GKgvÎ cwicvK msenb MnŸi _v‡K hv GKwU wQ`ªc‡_ evB‡i Db¥y³| wQ`ªwU
A. KuvKov B. wSbyK gyL I cvqyi KvR K‡i| nvBWªv GKwU wbWvwiqv c‡e©i cÖvwY|
C. je÷vi D. AvwU©wgqv Ans B 06. †Kvb cÖvYxi †`n g¨v›Uj Øviv Ave„Z? [CU-A, Shift-4. 20-21]
16. †Ku‡Pvi †`‡ni K¬vB‡Ujvg †Kvb LÛmg~‡n Aew¯’Z? [RU: G, 10-11] A. e¨vO B. nvBWªv C. †Zjv‡cvKv D. kvgyK
A. 2-4 B. 6-8 Ans D Why gjv¯‥v c‡e©i cÖvwY‡Z g¨v›Uj cvIqv hvq| kvgyK GKwU
C. 10-12 D. 14-16 Zg LÛmg~‡n Ans D gjv¯‥v c‡e©i cÖvwY|
17. †KvbwU †cÖv‡Uv‡Rvqv c‡e©i cÖvwY‡`i Pjbv½vYy bq? [RU: G, 10-11] 07. gjv¯‥v Gi †`‡ni i³ msenb †Kvb ai‡bi? [CU.15-16]
A. ¶Yc` B. d¬¨v‡Rjv A. gy³ B. e×
C. wmwjqv D. †U›UvKj Ans D C. Aa©gy³ D. wn‡gvwmj E. †KvbwUB bq Ans C
18. †KvbwU †bgv‡UvWvi •ewkó¨ bq? [RU: G, 10-11] 08. Hydra /wbWvwiqv ce©fy³ cÖvwY‡`‡ni Af¨šÍ‡i †h MnŸi †`Lv hvq Zv‡K wK
A. †`n bvjvK…wZ B. gyL I cvqy Av‡Q e‡j? [CU.14-15, JU:D,13-14]
C. †`nweei AcÖK…Z wm‡jvg D. †`n LÛvwqZ Ans D A. wm‡j‡›UiY B. ¯ú‡Ävwmj C. Av‡K©‡›UiY D. wn‡gvwmj Ans A
19. A¨vwgevi ¶Yc` m„wó‡Z AskMÖnY K‡i †KvbwU? [RU: F2, 10-11] 09. †g․gvwQ / wPswoi c‡e©i bvg wK? [CU.14-15; DU.03-04; PSTU. 14-15; BU. 14-15]
A. ms‡KvPbkxj MnŸi B. Lv`¨MnŸi A. mvB‡K¬v‡÷vgvUv B. Aw÷Kw_m
C. cvwb MnŸi D. wbDwK¬qvm Ans A C. Av‡_ª©v‡cvWv D. gjv¯‥v Ans C

 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
350 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

10. †Ku‡Pvi Pjb A‡½i bvg | [CU.14-15] PART B Analysis of Science & Technology Question
A. ¶Yc` B. †ckx
SUST
C. †mM‡g›U D. wmwU E. jy‡gb Ans D
01. Lamellidens marginalis †Kvb †kÖwYf‚³? [SUST.17-18]
11. †Kvb c‡e©i cÖvwY‡`‡n wb‡Wveøvó bvgK `skb †Kvl _v‡K? [CU.14-15]
A. Malacostraca B. Bivalvia
A. Porifera B. Mollusca C. Gastropoda D. Hirudinae E. Calcarea Ans B
C. Coelenterata D. Chordata E. Arthropoda Ans C
12. †Kvb&wU wbWvwiqv (Cnidaria) ce©f‚³ cÖvYx bq- [CU.13-14] JUST
A. Obelia geniculata B. Aurelia aurita 01. g¨v›Uj bvgK MnŸi cvIqv hvq †Kvb c‡e©? [JUST: Unit-B; 19-20]
C. Carybdea alata D. Holothuria impatiesns Ans D A . A¨vwbwjWv B . †bgv‡UvWv C . gjv¯‥ v D. cwi‡div
13. wb‡Pi †Kvb ce©  D`vniY †RvovwU mwVK bq? [CU.12-13] Ans C Why gjv¯‥v c‡e©i cÖvYx‡`i †`‡n g¨v›Uj bvgK cvZjv Avei‡Y
A. Protozoa- Plasmodium B. Mollusca- Octopus †`n Ave„Z| g¨v›Uj †_‡K ÿwiZ c`v‡_© Pzbgq †LvjK MwVZ nq| mvaviYZ
C. Porifera- Spongilla D. Chordata- Macrobrachium Ans D †Lvj‡Ki g‡a¨ cÖvYx Ae¯vb K‡ib|
14. Octopus cÖvwYwU †Kvb c‡e©i AšÍfy©³? [CU:H, 11-12]
MBSTU
A. Coelenterata B. Cotenophora
C. Mollusca D. Echinodermata E. Porifera Ans C
01 . †g․gvwQ †Kvb †kÖ Y xi AšÍ f³©
z ? [MBSTU: Unit-B; 19-20]
15. mvM‡ii Rxe¯^i iZœ †Kvb c‡e©i cÖvwY‡`i ejv nq? [CU:G, 10-11] A. Av‡_ª©v‡cvWv B. Gwcm C. Bb‡m±v D. nvB‡g‡bvc‡Uiv
A. Protozoa B. Mollusca Ans C Why †g․gvwQ Av‡_©ªv‡cvWv c‡e©i Bb‡m±v †kÖwYi|
C. Arthropoda D. Coelenterata E. Arthropoda Ans D
BSMRSTU
STEP 05 ANALYSIS OF DU-7 Clg QUESTION 01. †Kvb c‡e©i cÖvYx‡`i g‡a¨ Metamorphosis N‡U? [BSMRSTU:H, 18-19]
A. wbWvwiqv B. A¨vwbwjWv C. Av‡_ª©v‡cvWv D. GKvB‡bvWvg©vUv
01. Octopus †Kvb c‡e©i AšÍf©y³? [DU-7Clg. 19-20]
A. Mollusca B. Arthropoda Ans C Why Av‡_ª©v‡cvWv c‡e©i cÖvYx‡Z †gUvgi‡dvwmm ev iƒcvšÍi N‡U|
C. Echinodermata D. Chordata 02 . †Kvb cÖvYxi †iPbZš¿ wkLv †Kvl w`‡q MwVZ? [BSMRSTU. 17-18]

Ans A Why gjv¯‥v c‡e©i AšÍfz©³: Uroteuthis duvaucelli, A . Fasciola hepatica B . Trichinella spiralis
Lamelliallens marginalis, Pinctada vulgaris, Pila globosa, C. Musca domestica D. Astropecten euryacanthus Ans A
Octopus macropus. PUST
02. Musca domestica †Kvb c‡e©i cÖvYx? [DU-7Clg. 18-19]
01. c¨viv‡cvwWqv we`¨gvb †KvbwU‡Z? [PUST: A.19-20]
A. Annelida B. Arthropoda
A. Mollusca B. Annelida C. Arthropoda D. Chordata
C. Mollusca D. Echinodermata Ans B
Ans B Why A¨vwbwjWv c‡e©i •ewkó¨:
 †`n wKDwUK‡j Ave„Z I cÖK…Z wm‡jvghy³|
STEP 06 ANALYSIS OF GST QUESTION
 cÖK…Z LÐKvqb Ges KvBwUbgq wmwU ev †ckj c¨viv‡cvwWqv we`¨gvb|
PART A Analysis of General University Question  †bwd«wWqv bvgK c¨uvPv‡bv bvwjKv †iPb A½ wn‡m‡e KvR K‡i|
JnU  i³msenbZš¿ e× Ges gy³ muvZviæ †Uªv‡Kv‡dvi jvf©v we`¨gvb|
01. wkLv †Kvl †Kvb Z‡š¿ cvIqv hvq? [JnU.10-11; NU.11-12; MBSTU.12-13] 02. wb‡Pi †Kvb c‡e©i cÖvwY‡`i g‡a¨ bvwjKv c` †`L‡Z cvIqv hvq?
[PUST:B, 17-18]
A. RbbZš¿ B. K¼vjZš¿
A. Porifera B. Cnidaria
C. †iPbZš¿ D. cwicvKZš¿ Ans C
C. Mollusca D. Echinodermata Ans D
IU
HSTU
01. wm‡j›Uib Av‡Q †Kvb cÖvYx‡Z? [IU.15-16]
01. c¨v‡iv‡cvwWqvg Kx ai‡bi A½? [HSTU. 15-16]
A. gvQ B. nvBWªv C. e¨vO D. wPswo Ans B
A. †iPb B. kÖeY C. Pjb D. `k©b
02. wdZv K…wgi •eÁvwbK bvg- [IU.02-03]
Ans C Why Annelida c‡e©i cÖvYx‡`i Pj‡bi Rb¨ KvBwUbgq wmwU I
A. Faciola hepatica B. Enterobius vermicularis
C. Taenia solium D. Trichinella spiralis Ans C
†ckj c¨viv‡cvwWqv _v‡K|
02. †KvbwU Dfq wj½ cÖvYx? [HSTU. 13-14]
BRUR A. †Ku‡Pv B. e¨vO C. †Zjv‡cvKv D. G¨vwgb Ans A
01. †Ku‡Pv k¦vmKvh© PvjvqÑ [BRUR:F; 17-18]
A. k¦mbZ‡š¿i mvnv‡h¨ B. Z¡‡Ki mvnv‡h¨ NSTU
C. dzmdz‡mi mvnv‡h¨ D. dzjKvi mvnv‡h¨ Ans B
01. †Ku‡Pv (Metaphire posthuma) †Kvb c‡e©i cÖvYx? [NSTU. 14-15]
A. Porifera B. Mollusca C. Chordata D. Annelida
BU Ans D Why Annelida c‡e©i cÖvYx: †bwim, †Ku‡Pv, ‡RuvK|
01. ¯ú‡Ävwmj cvIqv hvq  c‡e©i cÖvwY‡Z- [BU.15-16] 02. cÖK…wZi jv½j †KvbwU? [NSTU. 14-15]
A. Artropoda B. Cnidaria A. †Zjv‡cvKv B. †Ku‡Pv
C. Porifera D. Protozoa Ans C C. nvBWªv D. A¨vwgev Ans B
02. †cvKvi (Insect) †`n cÖavbZ Kq fv‡M wef³? [BU: F2, 12-13] 03. wPswoi i³Ñ [NSTU. 14-15]
A. GK B. wZb A. Kv‡jv B. meyR
C. `yB D. †KvbwUB bq Ans B C. njy` D. eY©nxb Ans D
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi wewfbœZv I †kÖwYweb¨vm 351

PSTU STEP 08 ANALYSIS OF HSC BOARD QUESTION

01. †Kvb cÖvYxi †`n AvswUi b¨vq eû L‡Û wef³? [PSTU. 15-16]
Dhaka Board
A. †bwim B. †Zwbqv C. d¨vwmIjv D. ¯ú¨vwÄjv
01. †bwd«wWqv †Kvb Z‡š¿i mv‡_ m¤úwK©Z? [Xv.†ev-2021]
Ans A Why †bwim Annelida c‡e©i cÖvwb, G‡`i †`‡n LÛKvqb we`¨gvb|
02. †Zjv‡cvKv †Kvb c‡e©i cÖvYx? [PSTU. 13-14]
A. †iPb B. k¦mb
A. Av‡_©vc‡Uiv B. Av‡_ª©v‡cvWv C. cwicvK D. msenb Ans A
C. wWKwUIc‡Uiv D. AvB‡mvc‡Uiv Ans B 02. wSbyK †Kvb c‡e©i cÖvYx? [Xv.†ev-2021; wm.†ev. 2019]
A. Platyhelminthes B. Echinodermata
STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION C. Annelida D. Mollusca Ans D
MAT 03. ÔbvwjKv c_Õ †Kvb c‡e© i cÖ v Yxi Pjbv½? [Xv.†ev-2021]
01. cÖvwYRM‡Zi e„nËg Phylum †KvbwU? [MAT.2020-21] A. Nematoda B. Annelida
A. Arthropoda B. Porifera C. Mollusca D. Annelida C. Mollusca D. Echinodermata Ans B
Ans A Why Av‡_ª©v‡cvWv c‡e©i cÖvwYi msL¨v 12,57,040wU| GwU cÖvwY 04. †bwd« wWqv cvIqv hvq †Kvb c‡e© i cÖ v Yx‡Z? [Xv.†ev.2018]
RM‡Zi e„nËg ce©| A. Cnidaria B. Platyheminthes
wewfbœ c‡e©i cÖRvwZ msL¨v: C. Annelida D. Mollusca Ans C

Avwe®‥…Z Avwe®‥…Z cÖRvwZi 05. Echinodermata c‡e© i •ewkó¨ †KvbwU? [Xv.†ev.2018]

cÖavb c‡e©i bvg cÖavb c‡e©i bvg A. cvwb msenbZš¿ B. cyÄvwK
cÖRvwZi msL¨v msL¨v
Porifera 8.659 Cnidaria 10,203 C. wkLv †Kvl D. i³ msenbZš¿ Ans A
Platyhelminthes 29,487 Nematoda 25,033
Chattogram Board
Mollusca 84,977 Annelida 17,388
(2q e„nËg ce©) 01. cÖK Z
… wm‡jvghy ³ cÖv Yx †KvbwU? [P.†ev-2021]
Arthropoda 1,257,040 Chordata 68,626 A. Taenia Solium B. Ascaris lumbricoides
Echinodermata 7,550 C. Metaphire Posthuma D. Fasciola hepatica Ans C
02. Ôg¨v›UjÕ bvgK cvZjv AveiY _v‡KÑ [P.†ev-2021]
02. c„w_exi Avw`cÖvYx †h c‡e©i AšÍfz©³ Zv n‡jv- [MAT.12-13]
A. Porifera B. Nematoda
A. wm‡j›Uv‡iUv B. cwi‡div
C. Mollusca D. Annelida Ans C
C. †cÖv‡Uv‡Rvqv D. wbWvwiqv Ans C
03. Arthropoda c‡e©i cÖvYx‡Z cvIqv hvq †KvbwU? [P.†ev. 2017]
03. gyLwee‡i Ôi¨vWzjvÕ bvgK Ask _v‡K †Kvb c‡e©i cÖvYx‡Z? [MAT.18-19]
A. c¨viv‡cvwWqv B. i¨vWzjv
A. Chordata B. Mollusca
C. Arthropoda D. Nematoda Ans B
C. wn‡gvwmj D. bvwjKv c` Ans C

04. †Rwjwdm Aurelia aurita †Kvb c‡e©i AšÍfz©³ cÖvYx? Dinajpur Board
[MAT:15-16; DU:13-14; JU:D,12-13] 01. wb‡Pi †KvbwU mwVK? [w`.†ev-2021]
A. Protozoa B. Porifera A. c¨viv‡cvwWqvMollusca B. i¨vWzjvArthropoda
C. Cnidaria D. Echinodermata Ans C
05. †Ku‡Pvi ev‡qvjwRK¨vj bvg †Kvb&wU? [MAT.13-14] C. ¯ú‡ÄvwmjPorifera D. b‡UvKW©Echinodermata Ans C
A. Hirudo medicinalis B. Metaphire posthuma Jashore Board
C. Enterobius vermicularis D. Aurelia aurita Ans B
01. wkLv †Kvl cvIqv hvq †Kvb c‡e©i cÖvYx‡Z?
DAT [h.†ev-2021; w`.†ev. 2019; e.†ev. 2019]
01. †KvbwU mwVK? [DAT.01-02] A. Porifera B. Cnidaria
A. †c․wóKbvjxi AšÍt cÖvPx‡ii Kjv we`¨gvb C. Platyhelminthes D. Nematoda Ans C
B. †Ku‡Pv‡Z wnUv‡iv‡gbvm LÛvqb eZ©gvb 02. wb‡Pi †KvbwU Platyhelminthes ce©fz³ cÖvYx? [h.†ev. 2019]
C. G‡ÛvWvg© i³msenbZš¿ †_‡K MwVZ nq A. Scypha B. Fasciola
D. LÛvwqZ †`n †bgv‡Uv‡Wi •ewkó¨ Ans B C. Ascaris D. Metaphire Ans B

CONCEPT 03 KW©vUv c‡e©i we¯ÍvwiZ Z_¨

 KW©vUv (†giæ`Ûx cÖvYx):
 bvgKviK: Bateson (AvRgj) ev August Haeckel (KvBqyg) (1885)
 kbv³K…Z cÖRvwZ: 68626 (AvRgj), 68000 (Avjxg)
 åƒY Ae¯’v A_ev AvRxeb b‡UvKW© _v‡K, c~Y©v½ Ae¯’vq GwU †giæ`Û w`‡q cÖwZ¯’vwcZ nq|
 Mjwejxq dzjKviÜ« _v‡K (DbœZ K‡W©‡U dzjKv i‡Ü«i wejyc N‡U)|
 G‡Ûv÷vBj bvgK A½ _v‡K hv _vBi‡qW MÖwš’‡Z iƒcvšÍwiZ nq, i³ msenbZš¿ e× ai‡bi|
 åƒY`kvq cvqycðvr †jR _v‡K|
 Tenualosa ilisha (Bwjk)  Labeo rohita (iæB)  Copsychus saularis (†`v‡qj)  Panthera tigris (evN)
 Duddathrynus melanostictus (e¨vO)  Homo sapiens (gvbyl)
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
352 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

 KWv©Uv c‡e©i †kÖYxweb¨vm:

Chordata
Subphylum

Urochordata Cephalochordata Vertebrata

 wZb nvRvi cÖRvwZ wb‡q MwVZ|  33 cÖRvwZ kbv³ Kiv n‡q‡Q|  65789 cÖRvwZ wb‡q MwVZ|
 mvBdb w`‡q cvwb DrmvwiZ K‡i  Iivj ûW Ges Iivj wmwi  g¯ÍK †µwbqvg Gi wfZ‡i Ae¯vb K‡i
e‡j G‡`i mvMi †dvqviv e‡j| _v‡K| e‡j G Dcc‡e©i Av‡iK bvg †µwbqvUv|
 †`n †mjy‡jvR wbwg©Z wUDwbK ev  dzjKv¸‡jv A¨vwUªqv‡g Db¥y³|  b‡UvKW© Aw¯gq ev Ziæbvw¯gq †giæ`Û
†U÷v Øviv Ave„Z _v‡K|  Ô>Õ AvKv‡ii gvqv‡Uvg †cwk Øviv cÖwZ¯vwcZ|
 cwiYZ cÖvYx wbðj wKš‘ jvf©vgy³  Mjwe‡ji Dfq cv‡k 5-15 †Rvov
_v‡K|
mvZviæ| dzjKv iÜ« _v‡K|
Class Super class

Ascidiacea Thaliacea Larvacea Cyclostomata/Agnatha Gnathostomata

 ùxZKvq ev  †jey ev wc‡c  e¨vOvwP AvK…wZi| (cÖK…Z †Pvqvj I †Rvo Dcv½wenxb) (cÖK…Z †Pvqvj I †Rvo Dcv½wewkó)
bjvKvi| AvK…wZi|  cwiYZ cÖvYx‡Z Class
 cwiYZ cÖvYx‡Z  cwiYZ cÖvYx‡Z †jR _v‡K| D`v:
†jR _v‡K bv| †jR _v‡K bv| Oikopleura Myxini (n¨vMwdk) Petromyzontida (j¨vg‡cÖ)
D`v: Ascidia D`v: Salpa albicans,
 †`L‡Z evBb gv‡Qi (Ell-fish)-i g‡Zv|  A¨v‡gvwmU jvf©v †ei nq|
mentula, maxima, Appendicularia
 †Kv‡bv jvf©v`kv †bB|  †g․wLK PvKwZ †Pvl‡Ki Class
Molgula Doliolum
tubifera rarum  mevB mvgyw`ªK| f~wgKv cvjb K‡i|

Chondrichthyes Actinopterygii Sarcopterygii Amphibia Reptilia Aves Mammalia

 KW©vUv I bbKW©Uvi cv_©K¨:

welq KW©vUv bb KW©vUv
b‡UvKW© Dcw¯Z Abycw¯Z
mœvqyi¾y c„ô w`‡K A¼xqw`‡K
AšÍtK¼vj Dcw¯Z Abycw¯Z
dzjKviÜ« Dcw¯Z Abycw¯Z
ürwcÛ A¼xqw`‡K c„ô w`‡K
†jR Rxe‡bi ïiæ‡Z wKsev AvRxeb _v‡K cÖK…Z †jR _v‡K bv
cÖwZmvg¨ wØcvk¦x©q Aixq, wØAixq ev wØcvk¦x©q ev AcÖwZmvg¨
wm‡jvg cÖK…Z wm‡jvg _v‡K _vK‡ZI cv‡i, bvI cv‡i
D`vniY e¨vO, gvQ, gvbyl wPswo, mgy`ªZviv, K…wg

 Chondrichthyes, Osteichthyes (Actinopterygii) I Sarcopterygii Gi cv_©K¨:

welq Chondrichthyes Osteichthyes Sarcopterygii
AšÍtK¼vj ZiæYvw¯gq Aw¯gq Aw¯gq
AvuBk cø¨vK‡qW ai‡bi mvBK¬‡qW/wUb‡qW ai‡bi M¨vb‡qW
cy”QcvLbv †nUv‡ivmvK©vj †nvgvmvK©vj WvBwdmvK©vj
dzjKvwQ`ª Db¥y³ Ae¯vq _v‡K AcviKz¨jvg Øviv XvKv _v‡K AcviKzjvg Øviv XvKv _v‡K
evqycUKv Abycw¯Z Dcw¯Z Dcw¯Z, k¦m‡b mnvqZv K‡i
evm¯’vb mvgyw`ªK mgy`ª I wgVv cvwb wgVvcvwb (jvswdk) I mgy`ª (wmjvKvš)
eZ©gvb cÖRvwZi msL¨v 100 RxweZ gv‡Qi 96% 8wU
w÷s‡i (kvcjv cvZv), nv½i gvQ,
D`vniY KvZj, UvwK, Bwjk BZ¨vw`| jvswdk I wmjvKvš cÖRvwZ|
KivZ gvQ, _ywÆ nv½i, nvZzox nv½i|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi wewfbœZv I †kÖwYweb¨vm 353

 †giæ`Ðx cÖvYx‡`i g‡a¨ K‡qKwU D‡jøL‡hvM¨ cv_©K¨:

cv_©‡K¨i welq grm¨ DfPi mixm„c cvwL ¯Íb¨cvqx
†fRv, MÖwšgq I mvaviYZ
†fRv, MÖwšgq I ïé I GwcWvg©vj AuvBk w`‡q ïé, MÖwšgq I †jvg Øviv
Z¡K Wvg©vj AuvBkhy³; K‡qK ïé I cvjK w`‡q Ave„Z
bMœ MwVZ Ave„Z
cÖKvi gvQ AuvBkwenxb
`yÕ‡Rvov cv (A_©vr
Pjb A½ cvLbv `yÕ‡Rvov cv `yÕ‡Rvov (e¨wZµg mvc) GK‡Rvov Wvbv I GK‡Rvov cv GK‡Rvov AMÖevû I
GK‡Rvov cðvr evû
k¦mb A½ dzjKv dzmdzm dzmdzm dzmdzm dzmdzm
Am¤ú~Y©fv‡e wef³ Pvi cÖ‡Kvôx
ürwcÐ `yB cÖ‡Kvôx wZb cÖ‡Kvôx Pvi cÖ‡Kvôx Pvi cÖ‡Kvôx
(e¨wZµg Kzwgi)
i³ kxZj kxZj kxZj Dò Dò
Awÿcjøe _v‡K bv wZbwU wZbwU wZbwU `ywU
wb‡lK ewntwb‡lK ewntwb‡lK AšÍtwb‡lK AšÍtwb‡lK AšÍtwb‡lK
cÖme Awbwl³ wWg Awbwl³ wWg wbwl³ wWg; KwZcq ev”Pv wbwl³ wWg ev”Pv (nsmPÂz‡Z wbwl³ wWg)
 ¯Íb¨cvqx cÖvwYi †kÖwYweb¨vm:
Dc‡kÖwY •ewkó¨ we¯Í…wZ D`vniY
Prototheria  wWg cÖme K‡i hv †_‡K AcwiYZ beRvZ‡Ki Rb¥ nq| A‡÷ªwjqv I wbDwMwb  nsmZzÛ cøvwUcvm (Ornithorhynchus anatinus)
 †iPb-Rbb-cwicvKZ‡š¿i Rb¨ GKwU Awfbœ wQ`ª (g‡bvwUªg)  Lv‡UvZzÛ GwKWbv (Tachyglossus aculeatus)
Metatheria  mij Agiv wewkó A‡÷ªwjqv, Zvmgvwbqv,  jvj K¨v½viæ (Osphranter rufus)
 gvimywcqvg bvgK _wj we`¨gvb hv‡Z beRvZK wbDwMwb, ga¨ I `wÿY  fvwR©wbqv A‡cvmvg (Didelphis virginiana)
cwic~Y©Zv jvf K‡i Av‡gwiKv  †Kvqvjv (Phascolarctos cinereus)
Eutheria  cÖK…Z Agiv wewkó mgMÖ c„w_ex  †bswU Bu`yi (Mus musculus)
 ¯Íb MÖwš myMwVZ, ïµvkq †¯…vUvj _wj‡Z Ae¯vb K‡i|  iæmv nwiY (Rusa unicolor)

 TRICKS & TIPS TnT

 Chondrichthyes:  Sarcopterygii:
Ziæb †cøqvi †n‡U 5-7 †Rvov dzjKv iÜ« Avbj mvK©v‡mi WvBbx Aw¯i Mvb Mvq
        
Ziæbvw¯gq cø¨vK‡qW †nUv‡ivmvK©vj 5-7 †Rvov dzjKv iÜ« Amgvb mv‡K©vc‡UwiwR WvBwdmvK©vj Aw¯gq M¨vb‡qW
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi, nvmvb m¨vi)

SAQ BAQ
Short Ans Question WRITTEN SUGGESTION Broad Ans Question

 MY ch©šÍ gvby‡li †kÖwYweb¨vm Ki (ce©, Dc-ce©, †kÖwY, eM©, †MvÎmn)| [DU. 19-20]  Bwjk gv‡Qi †kÖYxweb¨vm (PCOFGS) wjL| [RU. Unit-C, 19-20]
DËi: gvby‡li †kÖYxwe¨vm: DËi: Bwjk gv‡Qi †kÖYxweb¨vm:
Kingdom : Animalia
Phylum : Chordata
Phylum : Chordata
Sub-phylum : Vertebrata Class : Actinopterygii
Class : Mammalia Order : Clupeiformes
Order : Primates Family : Clupeidae
Family : Hominidae Genus : Tenualosa
Genus : Homo
Species : Tenualosa ilisha
Species : Homo Sapiens
 Chordata c‡e©i wZbwU †g․wjK •ewkó¨ wjL| D`vniYmn GB c‡e©i Dc-ce©¸‡jvi bvg wjL| [JnU. 19-20]
DËi: Chordata c‡e©i wZbwU †g․wjK •ewkó¨ n‡jv:
1. b‡UvKW©: åƒYve¯vq ev AvRxeb c„ô ga¨‡iLv eivei `ÛvKvi w¯wZ¯vcK wb‡iU b‡UvKW© _v‡K| DbœZ cÖvwY‡Z GwU cieZ©x‡Z †giæ`‡Û cÖwZ¯vwcZ nq|
2. ¯œvqyi¾y: b‡UvK‡W©i wVK Dc‡i j¤^v Aÿ eivei duvcv, bjvKvi ¯œvqyi¾y _v‡K hv †giæ`Ûx‡Z cieZ©x‡Z gw¯Í®‥ I myly®§vKvÛ MVb K‡i|
3. Mjwejxq dzjKviÜ«: Rxe‡bi †h‡Kv‡bv `kvq ev AvRxeb (DbœZ K‡W©‡U GwUi we‡jvc N‡U)|
Chordata c‡e©i wZbwU Subphylum ev Dcce© i‡q‡Q:
i. Urochordata (mvMi †dvqviv)- Ascidia mentula, Doliolum rarum
ii. Cephalochordata (fjøvKvi cÖvYx)- A¨vwçA·vm|
iii. Vertebrata (Craniata)- gvbyl, e¨vO, evN BZ¨vw`|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
354 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

 †giæ`Ûx I A‡giæ`Ûxi cv_©K¨ wjL?

DËi: †giæ`Ðx I A‡giæ`Ðx cÖvYxi D‡jøL‡hvM¨ cv_©K¨ :
Av‡jvP¨ welq †giæ`Ðx cÖvYx A‡giæ`Ðx cÖvYx
†giæ`Ð c„ô ga¨‡iLv eivei _v‡K Ges K‡kiæKvhy³ Abycw¯Z
¯œvqyi¾y duvcv, †`‡ni c„ô‡`‡k Aew¯Z wb‡iU, †`‡ni A¼xq‡`‡k Aew¯Z
cÖwZmvg¨ wØcvk¦©xq AcÖwZmg, Aixq ev wØcvk¦©xq
ürwcÐ †`‡ni A¼xq‡`‡k hw` _v‡K Z‡e c„ô‡`‡k
wn‡gv‡Møvweb mgmgq †jvwnZ KwYKvi Af¨šÍ‡i hw` _v‡K Z‡e i³i‡m `ªexf~Z Ae¯vq
gw¯Í®‥ mgmgqB _v‡K Ges K‡ivwUi Af¨šÍ‡i myiwÿZ hw` _v‡K, Z‡e Zv K‡ivwU w`‡q Ave„Z bq
AšÍtK¼vj Aw¯ I ZiæYvw¯ wb‡q MwVZ _v‡K bv, _vK‡jI Aw¯ I ZiæYvw¯ w`‡q •Zwi bq

REAL TEST  ANALYSIS OF PREVIOUS YEAR QUESTIONS

09. †KvbwU Bwjk gv‡Qi •eÁvwbK bvg? [DU.09-10; RU.11-12; IU.11-12]
STEP 01 ANALYSIS OF DU QUESTION A. Tenualosa ilisha B. Tenulosa ilisha
01. †Kvb †kÖYx‡Z cøvK‡qW AvuBk i‡q‡Q? [DU: 19-20; RU. 17-18] C. Tenualosa ilisa D. Tenuolosa ilisha
A. ZvivgvQ B. nv½i C. KBgvQ D. KvZj gvQ Ans A Why Bwjk gv‡Qi •eÁvwbK bvg Tenualosa ilisha| GwU
Ans B Why wewfbœ cÖKvi AuvBk: evsjv‡`‡ki RvZxq gvQ|
AuvBk D`vniY 10. evsjv‡`‡ki RvZxq cvwLi •eÁvwbK bvg wK? [DU.08-09; RU.10-11; CU.11-12]
cø¨vK‡qW nvOi, †¯‥U, k•L gvQ A. Passer domeoticus B. Copsychus saularis
M¨vb‡qW wewPi, †evwdb, Mvim C. Colemba livia D. Carvus spenedens
wUb‡qW KB, †gwb, †Kvivj Ans B Wh y evsjv‡`‡ki RvZxq cvwL †`v‡qj hvi •eÁvwbK bvg
mvBK¬‡qW iæB, KvZjv, g„‡Mj Capsychus Saularis| Passer domesticus n‡”Q Po–B Ges Columba
livia n‡”Q KeyZi|
02. mixm„c msµvšÍ Ávb‡K Kx ejv nq? [DU,18-19]
11. †Kvb ¯Íb¨cvqx cÖvwYwU Do‡Z cv‡i? [DU.05-06]
A. nvi‡cUjwR B. Aiwb_jwR C. g¨vgvjwR D. g¨vjvKjwR
A. Macropus rufa B. Balaenoptera musculus
Ans A Why mixm„c msµvšÍ Ávb‡K nvi‡c‡UvjwR e‡j| cvwL msµvšÍ
C. Pteropus giganteus D. Ornithorhynchus anatinus Ans C
we`¨v‡K Aiwb_jwR e‡j Ges gjv¯‥v c‡e©i cÖvYx‡`i msµvšÍ we`¨v‡K
g¨vjvKjwR e‡j|
03. m¨vjvgvÛvi †Kvb e‡M©i cÖvYx? [DU,18-19] STEP 02 ANALYSIS OF JU QUESTION
A. Anura B. Crocodilia 01. Tenualosa ilisha †Kvb †MvÎfz³? [JU: Unit-D; Set-M;19-20]
C. Gymnophiona D. Caudata Ans D A. Chirocentridae B. Clupeidae
Ans D Why mvjvgvÛvi Amphibia †kÖwYi Caudata e‡M©i AšÍM©Z cÖvYx| C. Denticipitidae D. Engraulidae
Caudata e‡M© 9wU cwievi 60wU †R‡biv Ges cÖvq 600wU cÖRvwZ i‡q‡Q| Ans B Why Bwjk gv‡Qi †kÖYxweb¨vm:
04. wWg cv‡o Ggb ¯Íb¨cvqx cÖvYx? [DU. 18-19; JnU. 17-18; CU. 11-12] Phylum : Chordata
A. Bu`yi (Rat) B. ebiæB (Pangolin) Subphylum : Vertebrata
C. nsmPÂz (Platypus) D. KvVweovj (Squirrel) Class : Actinopterygii
Ans C Why A‡÷ªwjqvi cÖvß nsmPòz cøvwUcvm (Duck billed platypus) Order : Clupeiformes
Avw` cÖK…wZi wWgcvov ¯Íb¨cvqx Ges G‡`i g‡bvwUªg ejv nq| Family : Clupeidae
05. ZiæYvw¯’hy³ gv‡Q Kq †Rvov dzjKv wQ`ª _v‡K? [DU.17-18]
Genus : Tenualosa
Species : Tenualosa ilisha
A. GK †Rvov B. `yB †_‡K wZb †Rvov
02. †Kvb †kÖwYfz³ gvQ n¨vMwdk bv‡g cwiwPZ? [JU: Unit-D; Set-I;19-20]
C. Pvi †Rvov D. cuvP †_‡K mvZ †Rvov Ans D
A. Ascidiacea B. Thaliacea
Ans D Why KwÛªKw_m †kÖwYi cÖvYx‡`i AšÍtK¼vj m¤ú~Y© ZiæYvw¯gq| C. Myxini D. Petromyzontida
G‡`i gv_vq `ycv‡k 5-7 †Rvov dzjKv iÜ« c„_Kfv‡e †`‡ni evB‡i Db¥y³| Ans C Why wgw·wb †kÖYxfz³ gvQ¸‡jv n¨vMwdk (hagfish) bv‡g
06. †Kvb †kÖwYfz³ cÖvwY‡`i GwcWvg©vj AvuBk _v‡K? [DU.17-18]
cwiwPZ| Giv ¯^vaxbRxex, cÖavbZ A¨vwbwjW, gjv¯‥, µv÷vwmqvb
A. KwÛªKw_m B. Aw÷Kw_m C. †icUvBwjqv D. wgw·wb
Av‡_©v‡cvW ev g„ZcÖvq gvQ Avnvi K‡i| eZ©gv‡b cÖvq 70 cÖRvwZi n¨vMwdk
Ans C Why †icwUwjqv ev mwim„‡ci †`n ï®‥ I GwcWvwg©m D™¢~Z AvuBk
i‡q‡Q, mevB mvgyw`ªK| n¨vMwdk †`L‡Z evBb gv‡Qi g‡Zv|
ev k³ †cøU-G Ave„Z|
03. DfPi cÖvYxi ürwcÛ KZ cÖ‡Kvô wewkó? [JU: Unit-D, Set-A/B;19-20]
07. †KvbwU‡K gvQ ej‡j fzj n‡e? [DU.16-17; BAU.06-07; CU-A, Shift-3. 20-21]
A. 2 B. 3 C. 4 D. 5
A. wmjfvi wdk B. WM wdk C. evUvid¬vB wdk D. K¨vU wdk
Ans B Why cÖvYxi wewfbœ cÖKvi ü`wcÐ:
Ans A Why gv‡Qi •ewkóvejxi mv‡_ mv`„k¨ m¤úbœ n‡”Q Kvc©,
†ev‡¤^WvK, K¨vUwdk| wmjfvi wdk nj †QvU, cvLvwenxb Insect| cÖvYx ü`wc‡Ði cÖ‡Kvô
08. †Kvgjvw¯’ wewkó gv‡Q †Kvb ai‡bi AvuBk _v‡K? [DU.16-17;RU,F2. 18-19,10-11] DfPi wZb cÖ ‡ Kvôwewkó (`y wU A¨vwUªqvg Ges GKwU †fwUªKj)
A. mvBK¬‡qW B. wUb‡qW C. cø¨vK‡qW D. †KvbwUB bq Gwfm Pvi cÖ ‡ Kvôwewkó
Ans C Why KwÛªKw_m †kÖwYi cÖvYx‡`i AšÍtK¼vj m¤ú~Y© ZiæYvw¯gq, mixm„c Am¤ú~Y© Pvi cÖ‡Kvôwewkó (Kzwgi e¨wZµg)
G‡`i †`n AmsL¨ ÿz`ª cø¨vK‡qW bvgK m~² KuvUvi g‡Zv AvuB‡k Ave„Z| ¯Íb¨cvqx m¤ú~Y© Pvi cÖ‡Kvôwewkó
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi wewfbœZv I †kÖwYweb¨vm 355

04. †Kvb †kÖYxfz³ gv‡Qi †jR WvBdvBmvK©vj ai‡bi? [JU: Unit-D, Set-Q;19-20] Ans B Why Bwjk gv‡Qi †kÖwYweb¨vm:
A. Chondrichthyes B. Sarcopterygii Kingdom : Animalia
C. Myxini D. Petromyzontida Phylum : Chordata
Ans B Wh y wewfbœ †kÖ Yxfz ³ gv‡Qi †jR: Class : Actinopterygil/Osteichthyes
Order : Clupeiformes
†kÖYx †j‡Ri aib Family : Clupeidae
Chondrichthyes †nUv‡ivmvK©vj Genus : Tenualosa
Sarcopterygii WvBdvBmvK©vj Species : T. ilisha
Actinopterygii ev Osteichthyes †nv‡gvmvK©vj 03. Copsychus saularis †Kvb †kÖwYi AšÍfz©³ cÖvYx? [RU:SG-2,18-19]

05. KW©vUv c‡e©i cÖvYx‡Z G‡Ûv÷vBj cieZx©‡Z †Kvb MÖwš’‡Z iƒcvšÍwiZ nq? A. A¨vwçweqv B. †icwUwjqv C. A¨vwfm D. g¨vgvwjqv Ans C
[JU:D;Set-A,18-19] 04. †mdv‡jvKW©vUv Dcc‡e©i D`vniY †KvbwU? [RU:SG-1,18-19]
A. nvB‡cv_¨vjvgvm B. _vBi‡qW A. Ascidia mentula B. Branchiostoma lanceolatum
C. wcUzBUvix D. G‡Ûªvb¨vj Ans B C. Molgula tubifera D. Petromyzon marinus Ans B

06. Urochordata k‡ãi wMÖK “oura” As‡ki A_© wK? [JU:D;Set-D,18-19] 05. wb‡Pi †Kvb †kÖwYi gvQ RxweZ Rxevk¥ wn‡m‡e cwiwPZ? [RU: F-1; 17-18]

A. †jR B. gyL C. gv_v D. cvLbv Ans A A. KbwWªKw_K B. Am&wUKw_K

C. A¨vK&wU‡bvc‡UwiRvB D. mv‡K©vc‡UwiwR Ans D
07. Cyclostomata k‡ãi wMÖK „stomata‟ As‡ki A_© Kx? JU:D;Set-H,18-19]
06. RvZxq cvwL †`v‡qj †Kvb e‡M©i AšÍM©Z? [RU.16-17]
A. gv_v B. gyL C. †jR D. †Pvqvj Ans B
A. Columbiformes B. Apterygiformes
08. Gnathostomata k‡ãi wMÖK „gnathos‟ As‡ki A_© wK? [JU:D;Set-I,18-19]
C. Passeriformes D. Rheiformes Ans C
A. gyL B. Nvo C. †Pvqvj D. Kvb‡Kv Ans C 07. †M‡Qv e¨v‡Oi •eÁvwbK bvg †KvbwU? [RU: G; 15-16]
09. †Kvb Dc-c‡e©i cÖvYxi jvfv© `kvq †Kej †j‡R b‡UvKW© _v‡K? [JU: D, 17-18] A. Rana tigrina B. Rana tytleri
A. †mdv‡jvKW©vUv B. †nwgKW©vUv C. Rana bimaculatus D. Rana formasa Ans B
C. BD‡ivKW©vUv D. fvwU©eªvUv Ans C 08. fvwU©eªvUv Dc-c‡e©i †kÖwY bq †KvbwU? [RU.14-15]
10. †KvbwU mZ¨ bq? [JU: D, 17-18; Set: 07] A. Gwfm B. †icUvBwjqv
A. gv‡Qi ürwcÐ `yB cÖ‡Kvô wewkó C. g¨vgvwjqv D. wW‡cø¨v‡cvWv Ans D
B. e¨v‡Oi ürwcÐ `yB cÖ‡Kvô wewkó 09. KW©vUv cÖvYx‡Z _v‡K bv- [RU.11-12]
C. mixm„‡ci ürwcÐ wZb cÖ‡Kvô wewkó A. dzjKviÜ« B. ¯œvqyi¾y C. M¨vswjqb D. †jR Ans C
D. ¯Íb¨cvqxi ürwcÐ Pvi cÖ‡Kvô wewkó Ans B 10. bx‡Pi †Kvb&wU K‡W©U wKš‘ †giæ`Ûx bq? [RU.11-12]
11. Chordata k‡ãi wMÖK „ata‟ As‡ki A_© Kx? [JU: D, 17-18; Set: 07] A. A¨vwçA·vm B. n¨vMwdk
A. i¾y B. Z¡K C. AvK…wZ D. enb Kiv Ans D C. Kzgxi D. K¨v½viæ Ans A

12. Chondrichthyes k‡ãi wMÖK „lchthys‟ As‡ki A_© Kx? 11. gvbyl cÖRvwZi m¤ú~Y© I mwVK •eÁvwbK bvgKiY n‡jv- [RU: F2, 10-11]
[JU: D; 17-18„ Set: 07] A. Hama sapiens B. Homo sapiens
A. gvQ B. e¨vO C. mvc D. cvwL Ans A C. DfqB D. †KvbwUB bq Ans B
13. †Kvb †kÖwYfz³ gv‡Q A¨v‡gvwmU jvfv© †`Lv hvq? [JU: D, 17-18; Set: 07, 16-17] 12. †KvbwU mg‡MvÎxq bq? [RU: F2, 10-11]
A. n¨vMwdk B. j¨vg‡cÖ C. WMwdk D. K¨vUwdk Ans B A. Wjwdb B. nv½i
14. Agnatha Dc-c‡e©i cÖvYx †KvbwU? [JU: D, 17-18; Set: 09] C. wZwg D. ïïK Ans B
A. Plesiobatis B. Latimeria C. Lissemys D. Myxini Ans D 13. KwÛªKw_m †kªYxi gv‡Q AuvBk _v‡KÑ [RU.09-10]
15. ZiæYvw¯’gq AšÍtK¼vj †Kvb †kÖwYi cÖvYxi •ewkó¨? [JU:D,16-17] A. Kmg‡qW B. M¨vb‡qW
A. Actinopterygii B. Aves C. cø¨vK‡qW D. wUb‡qW Ans C
C. Sarcopterygii D. Chondrichthyes Ans D
16. wgw·wb †kÖYxi AšÍfz©³ gv‡Qi Kq‡Rvov dzjKv _v‡K? [JU:D,16-17] STEP 04 ANALYSIS OF CU QUESTION
A. 2-10 B. 5-10 C. 5-15 D. 10-12 Ans C 01. †Kvb cÖvYx‡Z dzjKv k¦mb we`¨gvb? [CU-A, Shift-3. 20-21]
17. j¨vg‡cÖ-Gi jvf©v `kvi bvg wK? [JU:D,16-17] A. K”Qc B. mvc C. e¨vO D. Wjwdb
A. A¨v‡gvwmU B.U¨vW‡cvj C. wmivwmwWqv D.Uibvwiqv Ans A Ans C Why wewfbœ †kÖwYi cÖvwYi k¦mb A½:
18. †KvbwUi †`n cø¨vK‡qW AvB‡k Ave„Z? [JU:D,11-12] †kÖYx k¦mb A½ †kÖYx k¦mb A½
A. Myxini B. Chondrichthyes DfPi dzmdzm cvwL dzmdzm
C. Actinopterygii D. Sarcopterygii Ans B grm¨ dzjKv ¯Íb¨cvqx dzmdzm
mixm„c dzmdzm
STEP 03 ANALYSIS OF RU QUESTION
02. wb‡Pi †KvbwU fvwU©‡eªU? [CU-A, Shift-3. 20-21]
01. Wvqvd«vg Dcw¯’ZÑ
[RU. Sinovac, Set-1. 20-21; DU.03-04; IU.11-12; BRUR.15-16PSTU. 14-15]
A. wPswo gvQ B. †Rwjwdm C. Zviv gvQ D. KvZjv gvQ
A. cvwL‡Z B. gv‡Q C. ¯Íb¨cvqx‡Z D. DfP‡i Ans D Why wewfbœ c‡e©i cÖvwY:
Ans C Why ¯Íb¨cvqx cÖvwY‡`i gvsmj Wvqvd«vg ev ga¨”Q`v w`‡q eÿ I cÖvwYi bvg c‡e©i bvg
D`i MnŸi c„_K _v‡K| wPswo gvQ Av‡_© ªv‡cvWv
02. evsjv‡`‡ki RvZxq gvQ †Kvb †kÖwYi AšÍf~³? [RU. Astrazeneca, Set-1. 20-21] †Rwjwdm wbWvwiqv
A. Amphibia B. Osteichthyes Zviv gvQ GKvB‡bvWvg©vUv
C. Myxini D. Chondrichthyes KvZjv gvQ KW©vUv (fvwU©eªvUv)
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
356 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

03. mixm„‡ci D`vniY †KvbwU? [CU.19-20] Ans D Why Cavia porcellus ev wMwbwcM KW©vUv c‡e©i ¯Íb¨cvqx
A. KvK B. KvwQg C. KvwKjv D. K¨v½viæ cÖvYx| Gi •ewkó¨:
Ans B Why mixm„c: hviv ey‡K fi w`‡q nuv‡U Zv‡`i mixm„c e‡j| i. G‡`i †`n Nb I eo †jvg Øviv Ave„Z
D`vniY: Nwoqvj, Kzwgi, K”Qc, mvc BZ¨vw`| ii. gy‡Li Pviw`‡K ms‡e`x †Muvd ev fvBweªwm we`¨gvb
04. †Kvb cÖvYx‡Z cø¨vK‡qW AuvBk Av‡Q? [CU. 19-20] iii. AMÖc‡` 4wU Ges cðvr c‡` 3wU AvOyj we`¨gvb
A. Labeo B. Anabas C. Latimeria D. Scoliodon iv. ewntK‡Y© wcbv we`¨gvb
Ans D Why wewfbœ cÖKvi AuvBk: v. D`‡ii wb‡P `y‡Uv ¯Íbe„šÍ we`¨gvb
AuvBk D`vniY vi. Giv PZz¯ú`x, †jR Abycw¯Z|
cø¨vK‡qW nvOi, k•L gvQ, †¯‥U
M¨vb‡qW wewPi, †evwdb, Mvim STEP 06 ANALYSIS OF GST QUESTION
wUb‡qW KB, †gwb, †Kvivj PART A Analysis of General University Question
mvBK¬‡qW iæB, KvZjv, g„‡Mj
JnU
05. Kz‡bve¨v‡Oi •eÁvwbK bvg- [CU.17-18] 01. RjR ¯Íb¨cvqx cÖvwY †KvbwU bq? [JnU.17-18]
A. Duttaphrynus melanostictus B. Hemidactylus brooki A. wZwg (whale) B. mxj (Seal)
C. Pila globosa D. Copsychus saularis Ans A C. Wjwdb (Dolphin) D. Gw›U‡jvc (Antelope) Ans D
06. †nUv‡ivmvK©vj (Heterocercal) ai‡Yi cy”Q cvLbv (Caudal fin) cvIqv
Ans D Why RjR ¯Íb¨cvqx cÖvYx: Wjwdb, wmj, wZwg, †cvjvi weqvi,
hvq- [CU: F1, 16-17]
gvbvwZ (mvgyw`ªK Miæ), mgy‡`ªi IUvi BZ¨vw`|
A. Actinopterygii-†Z B.Chondrichthyes-†Z
02. †KvbwU ¯Íb¨cvqx cÖvYx bq? [JnU.16-17]
C. Myxini-†Z D. Sarcopterygii-†Z
A. wmj B. nv½i C. wZwg D. Wjwdb Ans B
E.Cephalaspidomorphi-†Z Ans B
03. †KvbwU Chordata Gi Dcce© bq? [JnU.10-11]
07. wb‡Pi †KvbwU Amphibia- Gi •ewkó¨ bq? [CU: F1, 16-17]
A. Urochordata B. Hemichordata
A. åƒYxq Ae¯vq RjPi
C. Cephalochordata D. Vertebrata Ans B
B. AMÖc‡` cuvPwU I cðvrc‡` PviwU K‡i bLiwenxb Av½yj _v‡K
C. ürwcÛ wZb cÖ‡Kvó wewkó- `ywU A¨vwUªqv (Awj›`) I GKwU †fw›UªKj (wbjq) KU
D. G‡±v_vwg©K Ans B 01. UvwK gv‡Qi •eÁvwbK bvg wK? [KU. 04-05]
08. wb‡¤œi †KvbwU Osteichthyes †kÖYxi we‡kl •ewkó¨? [CU.15-16] A. Lebeo rohita B. Anabus testudineus
A. cø¨vK‡qW AvuBk Av‡Q B. KvbKzqv bvB C. Channa punctatus D. Hilisa ilisa Ans C

C. cUKv ev evqy_wj Av‡Q D. cy”Q cvLbv †nUv‡ivmvK©vj ai‡Yi IU

E. AvšÍtK¼vj Ziæbvw¯gq Ans C 01. weª‡U‡b Po–B cvwLi bvgÑ [IU: 14-15]
09. †Kvb •ewkó¨wU cvwL‡`i †`n nvjKv K‡i? [CU.15-16] A. Sparrow B. English Sparrow
A. cvLv B. cvjK C. House Sarrow D. Musch Ans B
C. †VuvU D. evqy KzVzwihy³ Aw¯ E. wMRvW© Ans D 02. Avgv‡`i †`kxq grm¨ cÖRvwZi msL¨v- [IU.13-14]
10. †KvbwU mg‡MvÎxq bq? [CU.15-16] A. 151 B. 251 C. 350 D. 450
A. †cuPv B. ev`yo Ans B Why Avgv‡`i †`‡k grm¨ cÖRvwZi msL¨v 260, wgVv cvwbi-
C. wPj D. Po~B E. †KvwKj Ans B 200, †jvbv cvwbi- 60|
11. dzmdzm mn evqy_jx _v‡K †Kvb cÖvYx‡Z? [CU.15-16, 11-12]
A. †M‡Qv e¨vO B. nvOi PART B Analysis of Science & Technology Question
C. gvQ D.wZwg E.cvwL Ans E SUST
12. †Kvivj gv‡Qi •eÁvwbK bvg Kx? [CU.12-13] 01. AMÖc‡` PviwU Ges cðv`c‡` cuvPwU Av½yj Av‡Q Ggb †kÖwY †KvbwU?
A. Harpodon nebereus B. Eleautberonema tetradactylum [SUST: Unit-A; 19-20]
C. Trichinous hamlet D. Pampus chinesis Ans D A. Reptillia B. Amphibia
C. Aves D. Mammalia E. Insecta
STEP 05 ANALYSIS OF DU-7 Clg QUESTION Ans B Why DfP‡ii •ewkó¨ :
01. †`v‡qj cvwLi •eÁvwbK bvg Kx? [DU-7Clg. 19-20] 1. MÖwšgq Z¡Kwewkó, G‡±v_vwg©K (Ectothermic; †`‡ni ZvcgvÎv
A. Columba livia B. Bubo bubo cwi‡e‡ki ZvcgvÎvi mv‡_ DVvbvgv K‡i) PZz®ú`x †giæ`Ûx cÖvYx| jvf©v
C. Corvus splendens D. Copsychus saularis Ae¯vq RjPi, wKš‧ c~Y©v½ Ae¯vq RjPi ev ¯jPi|
Ans D Why Cloumba livia: KeyZi; Corvus splendens : KvK; 2. Z¡K gm„Y, Av`ª©, MÖwšgq; k¦m‡bI mvnvh¨ K‡i|
Bubo Bubo : CMj cvwL/ †cuPv| 3. AMÖc‡` PviwU I cðvrc‡` cuvPwU K‡i bLiwenxb Av½yj _v‡K|
02. ev‡Ni •eÁvwbK bvg Kx? [DU-7Clg. 18-19] 4. jvf©v `kvq dzjKv I cwiYZ Ae¯vq dzmdzm, Z¡K I gyLweeixq wgDKvm
A. Panthera pardus B. Panthera leo wSwjøi gva¨‡g k¦mb N‡U|
C. Panthera tigris D. Neofelis nebulosa Ans C 5. ürwcÛ wZb cÖ‡Kvôwewkó: `ywU A¨vwUªqvg (Awj›`) Ges GKwU †fw›UªKj (wbjq)|
03. Cavia porcellus GKwU [DU-7Clg. 18-19] 02. msKvKzj wn‡m‡e AwfwnZ †KvbwU? [SUST.13-14]
A. RjR cÖvYx B. DfPi cÖvYx A. Nandus nandus B. Panthera tigris
C. mixm„c D. ¯Íb¨cvqx C. Kachuga sylhetensis D. Rhadonessa caryophyllacca Ans A
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi wewfbœZv I †kÖwYweb¨vm 357

MBSTU Ans C Why RvZxq welqvejxi •eÁvwbK bvg:

01. †Kvb gv‡Q cøvK‡qW AvuBk cvIqv hvq? [MBSTU: Unit-B; 19-20] welqvejx bvg •eÁvwbK bvg
A. iæB B. •K C. wmjvKv¯ D. nv½i e„ÿ Avg Mangifera indica
Ans D Why wewfbœ cÖKvi AuvBk: [CU. 19-20 Gi cÖ‡kœi e¨vL¨v †`‡Lv] dj KuvVvj Artocarpus heterophyllus
02. cÖvwYweÁv‡bi †Kvb kvLvwU mixm„c wb‡q Av‡jvPbv K‡i? [MBSTU:B; 15-16] gvQ Bwjk Tenualosa ilisha
A. Ornithology B. Herpetology dzj kvcjv Nymphaea nouchali
C. Apiculture D. Helminthology Ans B
cvwL †`v‡qj Copsychus Saularis
BSMRSTU cï evN Panthera tigris
01. Bwjk gvQ wb‡¤œi †Kvb †kÖwYi AšÍf©y³? [BSMRSTU: Unit-H; 19-20]
 Labeo Rohita- iæB gvQ, Allum cepa- wcqvR, Oryza sativa- avb|
A. Chondrichthyes B. Osteichthyes
C. Myxini D. Amphibia
STEP 08 ANALYSIS OF HSC BOARD QUESTION
Ans B Why Bwjk gvQ A¨vKwU‡bvc‡UwiwR (Actinopterygii) ev
Osteichthyes †kÖwYi AšÍfz©³| Dhaka Board
02. Bwjk †Kvb e‡M©i AšÍf~©³? [BSMRSTU:C, 18-19] 01. m¤ú~Y© Pvi cÖ‡Kvôwewkó ürwcÛ †Kvb cÖvYx‡Z †`Lv hvq? [Xv. †ev. 2019]
A. Clupeiformis B. Squamata A. wUKwUwK B. Kz wgi
C. Mesogastropoda D. Passeriformes C. K”Qc D. mvc Ans B
Ans A Why Bwjk Clupeiformis e‡M©i AšÍf‚³| 02. †KvbwUi cy”Q cvLbv †nUv‡ivmvKv©j ai‡bi? [Xv. †ev. 2019]
A. iæB gvQ B. jvswdk
STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION C. UvwK D. nv½i Ans D
MAT
Cumilla Board
01. KeyZi †Kvb †kÖYxi cÖvYx? [MAT. 19-20]
01. †fbvm nvU© cvIqv hvq wb‡Pi †Kvb †kÖwYi cÖvbx‡`i g‡a¨? [Kz.†ev-2021]
A. Amphibia B. Aves C. Actinopterygii D. Reptilia
A. Actinopterygii B. Amphibia
Ans B Why wewfbœ †kÖYxi cÖvYx:
C. Reptilia D. Mammalia Ans A
†kÖYx cÖvYx 02. Sarcopterygii †kÖwY Gi •ewkó¨ n‡jvÑ [Kz.†ev. 2021]
Aves KvK, KeyZi, †`v‡qj, Po–B cvwL A. AšÍtK¼vj ZiæYvw¯gq B. evqy cUKv i³RvjK
Actinopterygii Bwjk gvQ, iæB gvQ, UvwK gvQ C. †jR †nUv‡ivmvK©vj D. AvuBk cøvK‡qW Ans B
Amphibia m¨vjvgvÐvi, †mvbve¨vO, †M‡Qve¨vO, Do°z e¨vO, 03. †Kvb cÖvYx‡Z GKPµx i³ msenbZš¿ Dcw¯’Z? [Kz.†ev. 2017]
AvmgwZ e¨vO A. Poekilocerus pictus B. Labeo rohita
Reptilia Nwoqvj, wUKwUwK, K”Qc C. Hydra vulgaris D. Homo sapiens Ans B

02. wb‡¤œ D‡jøwLZ †Kvb gv‡Q mvBK¬‡qW AuvBk cvIqv hvq bv? [MAT .15-16]
04. †Kvb cÖ v Yx‡Z 7 †Rvov Mjwejxq dz jKviÜ« cvIqv hvq? [Kz.†ev. 2019]
A. Kvc© B. m¨vgb C. Bwjk D. iæB Ans B
A. Myxine glutinosa B. Petromyzon marinus
C. Scoliodon laticaudus D. Channa punctatus Ans B
DAT
01. ga¨”Q`vi Dcw¯’wZ ev Presence of diaphragm †Kvb c‡e©i cÖvYxi Sylhet Board
•ewkó¨? [DAT.18-19] 01. †Kvb cÖvYxi RxebP‡µ dzjKv k¦mb we`¨gvb? [wm.†ev. 2017]
A. Reptilia B. Mammalia C. Amphibia D. Aves Ans B A. e¨vO B. mvc C. K”Qc D. Wjwdb Ans A

AFMC Barisal Board

01. RvZxq cvwLi •eÁvwbK bvg Kx? [AFMC. 2020-21] 01. Myxini †kÖwYi dzjKvi‡Ü«i msL¨v KqwU? [e.†ev. 2017]
A. Labeo Rohita B. Allum cepa A. 1 †Rvov B. 7 †Rvov
C. Copsychus Saularis D. Oryza sativa C. 5-7 †Rvov D. 5-15 †Rvov Ans D

 GK bR‡i wKQzÿY  V.V.I DATA AT A GLANCE  g‡b ivL mvivÿY 

 Cnidaria c‡e©i me cÖvYxB wدÍiwewkó|  LÛKvq‡bi d‡j cÖvwY‡`n LÛ‡K Metamere ev Somite cwiYZ nq|
 Cnidaria cieZ©x me c‡e©i cÖvYxB wUª‡cøveøvw÷K|  i‡qj †e½j UvBMvi I wms‡ni g‡a¨ †Kvb ai‡bi wfbœZv we`¨gvbÑ
 †mdv‡jvKWv©Uv‡`i fjøvKvi cÖvwY bv‡g WvKv nq| AvšÍtcÖRvwZK wfbœZv|
 Cephalaspidomorphi †kÖwYfz³ gvQ¸‡jv j¨vg‡cÖ bv‡g cwiwPZ|  wm‡jvg m„wó nq- †g‡mvWvg© †_‡K|
 cÖK…wZ‡Z bb-KWv©Uv cÖvYxi msL¨v mev©waK, cÖvq 95-97%|  wØcvk¦x©q cÖwZmvg¨ †`Lv hvq- Platyhelminthes, Arthropoda I Chordata
 eZ©gv‡b c„w_ex‡Z 25 wU nU¯úU i‡q‡Q| c‡e©i cÖvYx‡Z|
 U¨vMgvUvB‡Rkb: Av‡_ªv©‡cvWv c‡e©i cÖvwY‡`i •`wnK A‡ji we‡fw`KiY|  MVbMZfv‡e mijZg cÖvYx n‡jv- Spongilla|
 †nv‡gvmvK©vj: LÛ mgvb I cÖwZmg|  cÖevj MVbKvix Dcv`vb n‡jv- KvBwUb I Pzb|
 †nUv‡ivmvK©vj: LÛ Amgvb I AcÖwZmg|  †Kvb c‡e©i cÖvYxiv eûiƒwcZv cÖ`k©b K‡i- Cnidaria|
 cÖvwYRM‡Zi wewfbœ cÖvYxi †`‡n mvaviYZ Pvi ai‡bi cÖwZmvg¨Zv †`Lv hvq|  A½-Zš¿ÑgvÎvi MVb m¤úbœ cÖvYx †`Lv hvq cÖ_g †Kvb c‡e©- Nematoda|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
358 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

 gyL wee‡i Ôi¨vWzjvÕ bvgK Ask _v‡K †Kvb c‡e©i cÖvYx‡K- Mollusca|  KW©vUv c‡e©i Dcce© KZwU- 3wU (Urochordata, Cephalochordata & Vertebrata)|
 Annelida c‡e©i cÖvYx‡`i ejv nq- „Ringed worms‟ ev A½ywigvj|  †Kvb †kÖwYi gvQ¸‡jv n¨vMwdk bv‡g cwiwPZ- Myxini|
 cÖvwYRM‡Zi me‡P‡q e„nËg ce©- Arthropoda (cÖvq 80%)|  Scoliodon laticaudus Gi AuvBk- cø¨vK‡qW|
 †Kvb c‡e©i mKj cÖvYx mvgyw`ªK- Echinodermata|  †Kvb †kÖwYi gv‡Qi AšÍtK¼vj Aw¯gq- Actinopterygii|
 Urochordata Dcc‡e©i AšÍfz©³ †kÖwY KqwU- 3wU (Larvacea, Thaliacea  Actinopterygii †kÖwYfz³ gv‡Qi AuvBk †Kvb ai‡bi- mvB‡K¬v‡qW I wUb‡qW|
& Ascidiacea)|  †nv‡gvmvK©vj †jR cvIqv hvq †Kvb †kÖwY‡Z- Actinopterygii|
 cy”Q cvLbv WvBwdmvK©vj- Saroopterygii|  iwk¥gq cvLbvwewkó gvQ n‡jv- Actinopterygii|
 ürwcÐ Am¤ú~Y© 4 cÖ‡Kvôwewkó- Reptilia †`i|  Bwjk †Kvb †kÖwYfz³ gvQ- Actinopterygii|
 Mammalia †kÖwYi Do‡Z mÿg cÖvYx- ev`yo|  Amphibia †kÖwYfz³ cÖvYxi jvf©v †KvbwUi mvnv‡h¨ k¦vmKvh© Pvjvq- dzjKv|
 †kÖwYKi‡Yi †h †Kv‡bv av‡ci Rb‡Mvôx‡K ejv nq- U¨v·b|  ürwcÐ Am¤ú~Y© 4 cÖ‡Kvôwewkó- Reptilia -†`i
 †kÖwYweb¨v‡mi me©wb¤œ avc- cÖRvwZ|  Aves †kÖwYfz³‡`i †Kvb c` Wvbv cwiYZ nq- AMÖc`|
 Cephalochordata Dc‡e©i cÖvYx‡`i gyLwQ`ª †ewóZ AveiY n‡jv- IivjûW|  BD‡ivKWv©Uv‡`i mvMi †dvqviv bv‡g WvKv nq|

 mKj cvV¨eB‡qi cÖkœ  NCTB QUESTIONS ANALYSIS  mwVK mgvavb 

01. †nUv‡ivmvK©vj cy”Q-cvLbv cvIqv hvqÑ [Ref: AvRgj m¨vi] 15. GKwU A¨vwm‡jvgxq cÖvYxi D`vniY n‡jv- [Ref: †gNbv` m¨vi]
A. iæB B. UvwK C. nv½i D. jvswdm Ans C A. wdZvK…wg B. †Ku‡Pv C. kvgyK D. wPswo Ans A
02. Actinopterygii Gi †ÿ‡Î †KvbwU mg_©b K‡i? [Ref: AvRgj m¨vi] 16. cø¨vK‡qW AvuBk †`Lv hvq †h cÖvYx‡Z- [Ref: †gNbv` m¨vi]
A. cøvK‡qW AvBk B. mvZ‡Rvov dzjKv Av‡Q A. iæB B. †evqvj C. nvOi D. wZwg gvQ Ans C
C. cy”Q-cvLbv †nUv‡ivmvK©vj cÖK…wZi D. AšÍtK¼vj Aw¯gq Ans D 17. †Rwjwdm †Kvb c‡e©i cÖvYx? [Ref: †gNbv` m¨vi]
03. Mjwe‡ji `ycv‡k 5-15 †Rvov dzjKviÜ« _v‡K †Kvb cÖvYx‡Z? [Ref: AvRgj m¨vi] A. †gvjv¯‥v B. Av‡_ªv©‡cvWv
A. Myxine glutionose B. Channa punctatus C. cøvwU‡njwgbw_m D. wbWvwiqv Ans D
C. Petromyzon marinus D. Scoliodon laticaudus Ans C 18. †h cÖvYx‡Z bvwjc` †`Lv hvq- [Ref: †gNbv` m¨vi]
04. wb‡Pi †KvbwU cøvwU‡njwgbw_m ce©f‚³ cÖvYx? [Ref: AvRgj m¨vi]
A. nvOi B. Zviv gvQ C. wZwg D. kvgyK Ans B
A. Scypha B. Ascaris
19. cÖvYx‡`i †kªwYweb¨v‡mi RbK ejv nq Kv‡K? [Ref: nvmvb m¨vi]
C. Fasciola D. Metaphire Ans C
05. gjv¯‥v c‡e©i cÖvYx‡Z cvIqv hvqÑ [Ref: AvRgj m¨vi] A. iv`vi‡dvW© B. A¨vwi÷Uj
A. U¨vMgvUv B. †bwd«wWqv C. i¨vWzjv D. †Uªv‡Kv‡dvi Ans C C. wjwbqvm D. Rb‡i Ans C

06. wb‡Pi †KvbwU‡Z my¨‡Wvwm‡jvg †`Lv hvq? [Ref: AvRgj m¨vi] 20. wb‡Pi †KvbwU †giæ`Ûx cÖvYxi Aw÷Kw_m †kªwYfy³? [Ref: nvmvb m¨vi]
A. Fasciola hepatica B. Taenia solium A. Zviv gvQ B. †c‡UªvgvBRb
C. Ascaris humbricodies D. Metaphire posthuma Ans C C. iæB gvQ D. A¨vwmwWqv Ans C
07. GwcWvg©vj AuvBk †Kvb cÖvYx‡`i †¶‡Î cvIqv hvq? [Ref: AvRgj m¨vi] 21. wm‡j‡›Uib Av‡Q †Kvb cÖvYx‡Z? [Ref: nvmvb m¨vi]
A. mwim„c B. Aw¯gq gvQ A. wPswo B. e¨vO C. nvBWªv D. gvQ Ans C
C. ZiæYvw¯gq gvQ D. DfPi Ans A 22. wn‡gvwmj cvIqv hvq? [Ref: nvmvb m¨vi]
08. cÖvwYRM‡Zi †Kvb c‡e©i cÖvYxi g‡a¨ AcÖK…Z wm‡jvg cvIqv hvq? [Ref: AvRgj m¨vi] A. †Zjv‡cvKv B. e¨vO C. nvBWªv D. gvQ Ans A
A. Platyhelminthes B. Nematoda 23. †KvbwU AcÖwZmg cÖvYx? [Ref: nvmvb m¨vi]
C. Mollusca D. Annelida Ans B A. Bwjk B. Zviv gvQ C. A¨vwgev D. nvBWªv Ans C
09. wm‡jvgwenxb ce© †KvbwU? [Ref: AvRgj m¨vi] 24. †KvbwU Aixq cÖwZmg cÖvYx? [Ref: nvmvb m¨vi]
A. Nematoda B. Annelida A. Bwjk B. Zviv gvQ C. A¨vwgev D. nvBWªv Ans D
C. Platyhelminthes D. Chordata Ans C 25. †Kvb cÖvYxwU‡Z Aixq cÖwZmgZv †`Lv hvq? [Ref: cvifxb g¨vWvg]
10. m¤ú~Y© Pvi cÖ‡Kvô wewkó ürwcÛ †Kvb mixm„‡c †`L‡Z cvIqv hvq?
A. Homo sapiens B. Hydra vulgaris
[Ref: AvRgj m¨vi]
C. Volvox D. Hemidactylus Ans B
A. Kzwgi B. wUKwUwK C. K”Qc D. mvc Ans A
11. cÖvwY‡`‡ni wefbœ A½-cÖZ½ m„wó nq †Kv_v †_‡K? [Ref: AvRgj m¨vi]
26. wb‡Pi †Kvb cÖvYxwUi Mv‡q w¯úwKDj _v‡K? [Ref: cvifxb g¨vWvg]
A.wm‡jvg B. åƒb¯Íi C. LÛK D. b‡UvKW© Ans B A. Scypha gelatinosum B. Obelia geniculata
12. cÖvYx‡`‡n m`„k GKvwaK As‡ki •iwLK ev Aby‣`wN©¨K cybive„wˇK e‡j- C. Aurelia aurita D. Fasciola hepatica Ans A
[Ref: Avjxg m¨vi] 27. M¨v‡÷ªvfv¯‥zjvi MnŸi †`Lv hvq wbgœwjwLZ †Kvb c‡e©? [Ref: gv‡R`v g¨vWvg]
A. cÖvwšÍKZv B. LÛvqb A. Nematoda B. Platyhelminthes
C. cÖwZmvg¨Zv D. †gUv‡gwiRg Ans D C. Cnidaria D. Mollusca Ans C
13. wkLv †Kvl †Kvb c‡e©i •ewkó¨? [Ref: †gNbv` m¨vi, nvmvb m¨vi] 28. wkLv †Kvl †Kvb cÖvYxi •ewkó¨? [Ref: gv‡R`v g¨vWvg]
A. cwi‡div B. Av‡_©ªv‡cvWv A. Avi‡kvjv B. †Ku‡Pv
C. cøvwU‡njwgbw_m D. A¨vwbwjWv Ans C C. wdZvK…wg D. †Rwjwdk Ans C
14. U¨v·b n‡jv- [Ref: †gNbv` m¨vi] 29. bb-KW©vUv cÖvYx‡`i ürwcÛ _v‡K †`‡ni- [Ref: gv‡R`v g¨vWvg]
A. †kªwYweb¨v‡mi cÖ‡Z¨KwU K¨vUvMwi B. RxeRM‡Zi cÖ‡Z¨KwU cÖRvwZ A. A¼xq †`‡k B. cvk¦©‡`‡k
C. wKsW‡gi cÖ‡Z¨KwU †Mvôx D. A¨vwbwjWv Ans A C. c„ô‡`‡k D. ga¨‡iLv eivei Ans C
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi wewfbœZv I †kÖwYweb¨vm 359

 MCQ  CONCEPT TEST  WRITTEN 

01. wb‡gœi †Kvb c‡e©i cÖvYxiv Thread worm bv‡g cwiwPZ? 14. †KvbwU RxešÍ Rxevk¥?
A. wb‡Wwiqv B. †bgv‡UvWv C. gjv¯‥v D. cwi‡div A. gvKomv B. A‡±vcvm C. ivR KuvKov D. K”Qc
02. wb‡Pi †KvbwU KW©vUvi •ewkó¨ bq? 15. Ôgvsmj c`Õ †Kvb c‡e©i cÖvYx‡`i •ewkó¨?
A. mœvqyi¾y c„ô‡`‡k Aew¯Z B. dzjKv iÜ« _v‡K A. Annelida B. Mollusca C. Nematoda D. Cnidaria
C. Dcv½ `yB‡Rvovi AwaK D. AšÍtK¼vj  OMR SHEET 
03. wb‡Pi †KvbwU cÖvYxRM‡Zi wØZxq e„nËg ce©? 01. A B C D 06. A B C D 11. A B C D
A. cwi‡div B. A¨vwbwjWv C. wb‡Wwiqv D. gjv¯‥v 02. A B C D 07. A B C D 12. A B C D
04. Wuchereria bancrofti †Kvb c‡e©i cÖvYx?
03. A B C D 08. A B C D 13. A B C D
A. A¨vwbwjWv B. †bgv‡UvWv C. cøvwU‡njwgb‡_m D. cwi‡div
05. Platyhelminthes fy³ cÖvYxiv †Kvb ai‡bi cÖwZmg? 04. A B C D 09. A B C D 14. A B C D
A. Aixq cÖwZmg B. wØcvk¦©xq cÖwZmg C. AcÖwZmg D. eûcÖwZmg 05. A B C D 10. A B C D 15. A B C D
06. Uª‡Kv‡dvi jvf©v †`Lv hvq wb‡Pi †KvbwU‡Z? 16. cÖwZmvg¨ wK? Gi cÖKvi cÖKvi‡f` ¸‡jv wjL|
A. Porifera B. Platyhelminthyes C. Annelida D. Cnidaria DËi: ......................................................................................
07. gyLwQ‡`ª Iivj ûW i‡q‡Q wb‡Pi †KvbwUi? 17. wدÍix/wίÍix cÖvYx ej‡Z wK eyS|
A. Porifera B. Urochordata C. Cephalochordata D. Vertebrata DËi: ......................................................................................
08. GwcWvg©vj AvuBk †Kvb cÖvYx‡`i †¶‡Î cvIqv hvq? 18. cwi‡div c‡e©i 5wU •ewkó¨ wjL|
A. mixm„c B. Aw¯gq gvQ C. ZiæYvw¯gq gvQ D. DfPi DËi: ......................................................................................
09. †KvbwU Aixq cÖwZmg cÖvYx? 19. gjv¯‥v c‡e©i 5wU •ewkó¨ wjL|
A. Bwjk B. Zviv gvQ C. A¨vwgev D. nvBWªv DËi: ......................................................................................
10. wb‡Pi †Kvb cÖvYxwUi Mv‡q w¯úwKDj i‡q‡Q? 20. mvB‡K¬v‡÷vgvUv I b¨v‡_v‡÷vgvUvi cv_©K¨ wjL|
A. Scypha gelatinosum B. Obeliageniculata DËi: ......................................................................................
C. Aurelia aurita D. Fasciola hepatica 21. gjv¯‥v I Av‡_ª©v‡cvWvi 5wU cv_©K¨ wjL|
11. Aw÷qvg mg„× Dfwj½ cÖvYx †KvbwU? DËi: ......................................................................................
A. nvBWªv B. †Rwj wdk C. ¯úÄ D. Avi‡kvjv 22. jwj‡Mv, Av‡cj kvgyK, †`v‡qj, gvbyl, †Ku‡Pvi •eÁvwbK bvg wjL?
DËi: ......................................................................................
12. †KvbwU †`nMnŸi †cwk I c¨v‡ibKvBgv mg„×? 23. wbWvwiqv c‡e©i cÖvYx‡`i mgy‡`ªi dzj ejv nq †Kb?
A. Spongilla proliferens B. Scypha gelatinosum DËi: ......................................................................................
C. Taenia solium D. Pila globosa 24. bbKW©vUv I KW©vUvi g‡a¨ cv_©K¨ wjL|
13. †KvbwU mg‡MvÎxq bq? DËi: ......................................................................................
A. Musca domestica B. Apis indica 25. mKj †giæ`Ûx cÖvYxB K‡W©U wKš‘ mKj K‡W©U †gi`Ûx bq e¨vL¨v Ki|
C. Anopheles culificacis D. Homo sapiens DËi: ......................................................................................
 ANSWER ANALYSIS 
cÖkœ bs DËi
MCQ 01.B 02.C 03.D 04.B 05.B 06.C 07.C 08.A 09.D 10.A 11.C 12.C 13.D 14.C 15.B
cÖwZmvg¨ ej‡Z cÖvwY‡`‡ni ga¨‡iLxq Z‡ji `ycv‡k m`„k ev mgvb AvKvi-AvK…wZwewkó As‡ki Ae¯vb‡K †evSvq| cÖvYx‡`‡ni wb‡P ewY©Z wewfbœ
16 ai‡bi cÖwZmvg¨ †`Lv hvq: (i) †Mvjxq cÖwZmvg¨ (ii) Aixq cÖwZmvg¨ (iii) wØAixq cÖwZmvg¨ (iv) wØcvk©xq cÖwZmvg¨ (v) AcÖwZmvg¨|
17
wدÍix: †hme cÖvYxi 僇Yi M¨v÷ªyjv chv©‡q †Kvl¸‡jv G‡±vWvg© I G‡ÛvWvg© bvgK `ywU ¯Í‡i web¨¯Í _v‡K, †m¸‡jv‡K wدÍix cÖvYx e‡j|
wίÍix: †hme cÖvYxi 僇Y M¨v÷ªyjv chv©‡q †Kvl¸‡jv wZbwU †Kvlxq ¯Í‡i web¨¯Í _v‡K Zv‡`i wίÍix cÖvYx e‡j|
18 Concept-03 †`L|
19 Concept-03 †`L|
20 Concept-04 †`L|
21 Concept-03 †`L|
22 Concept-03 †`L|
wbWvwiqv c‡e©i cÖvYxiv AwaKvsk wbðj, wKQz cÖRvwZ gy³ mvuZviæ| mgy`ª DcK~‡j c‡o _vKv †Mvj _K_‡K †Rwji g‡Zv cÖvwY¸‡jv †Rwjwdk, Cnidaria
23 c‡e©iB gy³ mvZviæ m`m¨| wewPÎ eY©gqZvi Kvi‡Y G c‡e©i m`m¨iv mgy`ª‡K ewY©j iƒc`v‡b me‡P‡q †ewk Ae`vb †i‡L‡Q| cÖevj I cÖevj cÖvPxi
MVbKvix cÖvYxiv G c‡e©iB m`m¨| GRb¨ wb‡Wwiqvb cÖvwY‡`i mgy‡`ªi dyj ejv nq|
24 Concept-4 †`L|
K‡W©U cÖvYxi wZbwU Abb¨ •ewkó¨ n‡”Q- w¯wZ¯vcK b‡UvKW©, c„ôxq dvucv ¯œvqyi¾y Ges Mjwejxq dzjKv iÜ«| Gme •ewkó¨ meai‡bi K‡W©U cÖvYxi
Rxe‡bi †h †Kvb `kvq wKsev AvRxeb cvIqv hvq| Chordata c‡e©i `ywU Dcce© †hgb- Urochordata I Cephalochordata (A_v©r Protochordata)-i
25
m`m¨‡`i †ÿ‡Î KWv©Uvi •ewk󨸇jv AvRxeb cvIqv hvq| wKš‧ Vertebrata Dcc‡e©i †ÿ‡Î åƒYve¯vq b‡UvKW© _vK‡jI c~Yv©½ Ae¯vq Zv K‡kiæKv
wbwg©Z †giæ`Ð w`‡q cÖwZ¯vwcZ nq| †mRb¨ G‡`i †giæ`Ûx cÖvYx e‡j| ZvQvov ¯œvqyi¾ywU gw¯Í®‥ I myly¤œvKvÐ w`‡q cªwZ¯vwcZ nq; dzjKv iÜ« eÜ n‡q
hvq Ges dzjKv I dzmdz‡mi Avwef©ve N‡U| ZvB ejv hvq- mKj †giy`Ûx cÖvYxB K‡W©U (KviY åƒYve¯vq KWv©Uvi mKj •ewkó¨ _v‡K) wKš‧ mKj K‡W©U
†giæ`Ûx bq (KviY Urochordata I Cephalochordata Dcc‡e©i cÖvwY‡`i b‡UvKW© KL‡bvB †giæ`Û w`‡q cÖwZ¯vwcZ nq bv|

ÒA‡b¨i e¨w³Z¡‡K ¸iæZ¡ w`‡Z wkLyb, Kv‡iv e¨w³Z¡ Avcbvi cQ›` bv n‡jB †m e¨w³ Lvivc bv|
g‡b ivL‡eb e¨w³Z¡ hvi hvi ¯^KxqZv|Ó -†gndzR Avn‡g`
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
360 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

Aa¨vq 02 cÖvYxi cwiwPwZ

wØZxq cÎ INTRODUCTION OF ANIMAL

2.1 nvBWªv (Hydra)

wK coe? †Kb coe? SURVEY TABLE KZUzKz coe? wKfv‡e coe?

MAGNETIC DECISION MAKING DECISION [†h Kvi‡Y co‡e] VVI For This Year
CONCEPT NO [hv co‡e] DU JU RU CU GST MAT DAT HSC WRITTEN MCQ
CONCEPT-01 MVb I •ewkó¨ 80% 70% 60% 70% 50% 40% 30% 90%  
CONCEPT-02 nvBWªvi Rxeb-hvcb 10% 20% 10% 10% 20% 60% 10% 50%  
DU = Dhaka University, JU = Jahangirnagar University, RU = Rajshahi University, CU = Chittagong University,
GST = General University/Science & Technology University, MAT = Medical Admission Test, DAT = Dental Admission Test

CONCEPT 01 MVb I •ewkó¨

 ITEM 01 cÖv_wgK K_v

 BwZnvm I •ewkó¨:
 HydraÕi cÖK…Z Avwe®‥viK-Aveªvnvg †Uª¤^‡j (1744 mv‡j), bvgKviK K¨v‡ivjvm nvBWªv w¯i, kxZj I
wjwbqvm (1758 mv‡j), cybiærcwË ¶gZvi Avwe®‥viK-†Uª¤^‡j| cwi®‥vi cvwb‡Z evm K‡i
 wMÖK iƒcK_vi bq gv_vIqvjv WªvM‡bi bvgvbymv‡i nvBWªvi bvgKiY Kiv nq| Ges †`ncÖvPx‡ii gva¨‡g
 Hydra gy³Rxex, gvsmvkx, wgVv cvwbi cÖvwY I cybiærcwË ¶gZv cÖPÛ |
e¨vcb cÖwµqvq k¦mb I
 †kÖYxweb¨vm:
†iPb m¤úbœ K‡i|
Kingdom : Animalia (cÖvYx)
Phylum : Cnidaria (wb‡WvmvBU I wm‡j‡›Uib Dcw¯Z)
Class : Hydrozoa (Awef³ wm‡j‡›Uib)
Order : Hydroida (cwjc `kv cÖavb)
Family : Hydridae (GKKfv‡e emevm K‡i)
Genus : Hydra (cybiærcwË ÿgZvm¤úbœ)
Species : Hydra vulgaris
 evsjv‡`‡k cÖvß nvBWªvi K‡qKwU cÖRvwZ I G‡`i eY©:
nvBWªvi bvg Kwl©Kvi msL¨v eY©
Hydra viridissima (Chlorohydra viridissima Hydra viridis) 4-8wU meyR eY©
Hydra vulgaris (evsjv‡`‡k me‡P‡q †ewk cvIqv hvq) 6-10wU cÖvq eY©nxb ev ¯^”Q ev nvjKv njy`-ev`vgx e‡Y©i (Dfqwjw½K)
Hydra gangetica 6wU mv`v ev nvjKv †Mvjvcx e‡Y©i
Pelmatohydra oligactis (Hydra fusca) 6wU ev`vgx e‡Y©i (GKwjw½K)
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg)

 ITEM 02 evwn¨K MVb

nvBWªv

nvB‡cv‡÷vg †`nKvÛ c`Zj ev cv`PvKwZ

gyLwQ‡`ªi bx‡P nvB‡cv‡÷vg _v‡K, ÿwiZ i‡mi mvnv‡h¨ †Kvb wKQzi mv‡_ AvU‡K
nvB‡cv‡÷v‡gi AMÖcÖvšÍ gyLwQ`ª aviY K‡i| _v‡K, m„ó ey`ey‡`i mvnv‡h¨ †f‡m _v‡K

Kwl©Kv gyKzj Rbbv½

6-10wU, Gi cÖvPx‡i cÖavb A‡h․b Rbb cÖwµqv, ¯^vfvweK Rbb ïµvkq (†KvYvKvi),
†bgv‡Uvwm÷ _v‡K cÖwµqv, MÖx®§Kvj gyKzj m„wói AbyK~j mgq wW¤^vkq (†MvjvKvi)
(Ref: AvRgj m¨vi, Avjxg m¨vi)
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 

c„ôv 360
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi cwiwPwZ 361

 ITEM 03 Af¨šÍixb MVb

Af¨šÍixY MVb (wدÍix)

G‡±vWvg© (7 ai‡bi †Kvl): †g‡mvwMøqv: A‡Kvlxq G‡ÛvWvg© (5 ai‡bi

 †ckx AveiYx †Kvl: ewntw`K PIov, ¯Íi (.1 m) †Kvl):
gv‡qvwbg Zš‧ _v‡K, †`n AveiY •Zwi KvR:
K‡i Ges wKDwUKj ÿiY K‡i  cywó †Kvl/ †ckx AveiYx
 B›Uviw÷wkqvj †Kvl: Reserve cell  GwU G‡±vWvg© I †Kvl: d¬¨v‡Rjxq †Kvl,
e‡j, cybiærcwË I gyKzj m„wó‡Z Ask G‡ÛvWv‡g©i wfwË
wn‡m‡e KvR K‡i| ¶Yc`xq †Kvl (1-4wU)
†bq Ges cÖ‡qvR‡b †h‡Kvb †Kvl •Zwi
K‡i|  AšÍtK¼vj iƒ‡c  MÖwš’ †Kvl:
 ms‡e`x †Kvl: mg‡Kv‡Y I wew¶ß KvR K‡i| nvB‡cv‡÷v‡g me©vwaK,
Ae¯vq _v‡K, ms‡e`x †ivg I †bvwWIj  mshy³Zj iƒ‡c c`Z‡j ¯^í, Kwl©Kv‡Z
hy³ hv Av‡jv, Zvc MÖnY K‡i| KvR K‡i| _v‡K bv, wgDKvm I
 mœvqy †Kvl: †g‡mvwMøqv msjMœ _v‡K,  ms‡hvM¯vcbKvix
msM„nxZ DÏxcbv †cÖiY K‡i| GbRvBg ÿiY K‡i|
 MÖwš’ †Kvl: c`Zj I gyLwQ‡`ª _v‡K ¯Íiiƒ‡c KvR K‡i|
 B›Uviw÷wkqvj †Kvl
 Rbb †Kvl: Rb‡b Ask †bq  Aej¤^b `vbKvix
¯Íiiƒ‡c KvR K‡i|  mœvqy‡Kvl
 wb‡WvmvBU: wb‡Wvwmj I †bgv‡Uvwm÷ aviY
I Lv`¨ MÖnY, Pjb, AvZ¥i¶vq mvnvh¨ K‡i|  ms‡KvPb I cÖmvi‡Y  ms‡e`x †Kvl
cwiùyUbiZ wb‡WvmvBU‡K wb‡Wveøv÷ e‡j| mnvqZv K‡i

 TRICKS & TIPS TnT

 nvBWªvi GwcWvwg©‡m mvZ ai‡bi †Kvl _v‡K
Mnemonic: wbR cqmvq m½x
Q›` wb R c m m M B
Z_¨ wb‡Wveøv÷ Rbb‡Kvl †ckx AveiYx †Kvl ms‡e`x ‡Kvl ¯œvqy †Kvl MÖwš †Kvl B›Uviw÷wkqvj †Kvl
 nvBWªvi AšÍtZ¡‡K ev M¨v‡÷ªvWvwg©‡m 5 ai‡bi †Kvl _v‡K
Mnemonic: cqmvq m½x
Q›` c m m M B
Z_¨ †ckx AveiYx †Kvl ms‡e`x ‡Kvl ¯œvqy †Kvl MÖwš †Kvl B›Uviw÷wkqvj †Kvl
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi)

 ITEM 04 wb‡WvmvB‡Ui MVb

Cnidaria c‡e©i mKj cÖvYxi GwcWvwg©‡mi †cwk-AveiYx †Kvlmg~‡ni ga¨eZx© ¯vb A_ev Af¨šÍ‡i †hme we‡klvwqZ †Kvl _v‡K Zv‡`i wb‡Wveøv÷ †Kvl ev
†bgv‡UvmvBU ev wb‡WvmvBU e‡j|

wPÎ: wb‡WvmvB‡Ui MVb wPÎ: wewfbœ cÖKvi †bgv‡Uvwm÷

 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
362 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

wb‡WvmvBU

AveiY †bgv‡Uvwm÷ AcviKz¨jvg wb‡Wvwmj †ckxm~Î

G‡±vWv‡g© _v‡K wUªMv‡ii b¨vq K¨vcmy‡ji c„ô‡`k †_‡K •Zwi nq|
wدÍix I me‡P‡q †ewk _v‡K Kwl©Kvq KvR K‡i †bgv‡Uvwm‡÷i wb¤œ cÖvšÍ †_‡K j¨v‡mv
wbDwK¬qvm me‡P‡q Kg _v‡K ev c`Z‡j _v‡Kbv bvgK cu¨vPv‡bv m~Î m„wó nq
enb K‡i weÁvbx fvY©vi 23 ai‡bi †bgv‡Uvwm÷ wm‡j‡›Ui‡b kYv³
K‡ib, nvBWªv‡Z cvIqv hvq 4 ai‡bi †bgv‡Uvwm÷

†cwbUªv›U ev w÷‡bvwUj fj‡f›U ev †Wm‡gvwbg †÷ªc‡Uvwjb MøywUb¨v›U ev †÷wiIwjb MøywUb¨v›U ev

Av`k© Type, cÖvšÍ gy³, 3wU cÖvšÍ eÜ, KÈKwenxb, n‡jvUª vBKvm AvB‡mvivBRv A¨vUªvBKvm AvB‡mvivBRv
eve©, evwe©Dj, wnc‡bvUw·b cu¨vPv‡bv m~ÎK (K‡K©i ¯…zi KuvUvhy³, eve© _v‡K bv, evU gy³, KÈKwenxb, evU myMwVZ bq,
(Avwgl + †db‡j MwVZ) _v‡K| gZ), †QvU| e¯‘‡K myMwVZ bq| Pj‡b mnvqZv I me‡P‡q ÿz`ª| Pj‡b mnvqZv I
wkKvi‡K AÁvb I Aek K‡i| Rwo‡q/AvuK‡o a‡i| wkKvi‡K AvU‡K iv‡L| wkKvi‡K AvU‡K iv‡L|
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi, nvmvb m¨vi)

SAQ BAQ
Short Ans Question WRITTEN SUGGESTION Broad Ans Question

 nvBWªvi bvgKi‡Yi BwZnvm wjL?

DËi: K¨v‡ivjvm wjwbqvm bvgKiY K‡ib nvBWªv ev Hydra| Hydra-i webó †`nvsk †_‡K `ªæZ bZzb cÖvYx Drcv`‡bi ÿgZv _vKvq wMÖK c~iv‡bi eûg¯ÍK
wewkó KvíwbK WªvMb ev •`‡Z¨i bvg Abymv‡i Hydra-i Giƒc bvgKiY Kiv nq| G `vbe‡K Ae‡k‡l gnvexi nviwKDwjm ea K‡ib|
 Kwl©Kv Kx?
DËi: nvB‡cv‡÷v‡gi †Mvovi PZzw`©K wN‡i 6-10wU miæ, ms‡KvPbkxj, †`n A‡cÿv j¤^v I dvucv myZvi g‡Zv Kwl©Kv Aew¯Z| ewntcÖvPx‡i AmsL¨ †QvU
wUDgv‡ii g‡Zv †bgv‡Uvwm÷ e¨vUvix _v‡K|
 nvBWªvi GwcWvwg©m †Kvl ¸‡jvi bvg wjL?
DËi: nvBWªvi GwcWvwg©m †Kvl ¸‡jvi bvg n‡jv: †cwk AveiYx †Kvl, B›Uviw÷wkqvj †Kvl, ms‡e`x †Kvl, ¯œvqy †Kvl, MÖwš †Kvl, Rbb †Kvl I wb‡WvmvBU|
 nvBWªvi †bgv‡Uvwm÷ ¸‡jvi bvg I KvR wjL?
DËi: nvBWªvi †bgv‡Uvwm÷ ¸‡jvi bvg I KvR n‡jv:
†bgv‡Uvwm‡÷i bvg KvR
†cwbUªv›U/w÷‡bvwUj †bgv‡Uvwm÷ wkKv‡ii †`‡n we× n‡q welv³ wnc‡bvUw·‡bi mvnv‡h¨ wkKvi‡K Aek K‡i
fj‡f›U wkKvi wKsev Ab¨ †Kv‡bv e¯‧ AvuK‡o ai‡Z mvnvh¨ K‡i
†÷ªc‡Uvwjb MøywUb¨v›U Pj‡b I wkKvi AvUKv‡Z mvnvh¨ K‡i
†÷wiIwjb MøywUb¨v›U Pj‡b I wkKvi AvUKv‡Z mvnvh¨ K‡i
 wb‡WvmvBU wK Gi KvR wjL?
DËi: Hydra-mn Cnidaria c‡e©i mKj cÖvYx‡Z ewntZ¡‡Ki `ywU †cwk AveiYx †Kv‡li ga¨eZ©x ¯v‡b we‡kl •ewkó¨c~Y© †Kvl †`Lv hvq| GB †Kvl¸‡jv‡K
wb‡WvmvBU ev †bgv‡UvmvBU †Kvl e‡j| wb‡WvmvB‡Ui †bgv‡Uvwm÷ A½vby cÖvYxi Lv`¨ MÖnY Pjb I AvZ¥iÿvq e¨eüZ nq|
 †g‡mvwMøqv Kx? [Xv. †ev. 2019]
DËi: Cnidaria RvZxq cÖvYx‡`i (†hgb- Hydra) GwcWvwg©m I M¨v‡÷ªvWvwg©‡mi ga¨eZ©x ¯v‡b Aew¯Z †Rwji b¨vq AvVv‡jv, ¯^”Q, w¯wZ¯vcK ¯Íi‡K †g‡mvwMøqv
ev †g‡mvj¨vwgjv e‡j| Dfq ¯Í‡ii †Kvl G ¯Íi MV‡b Ask MÖnY K‡i|
 nvB‡cv‡÷vg Kv‡K e‡j? [iv. †ev. 2019]
DËi: Hydra-i †`‡ni gy³ cÖv‡šÍ Aew¯Z †gvPvK…wZi ms‡KvPb I cÖmviYkxj Ask‡K nvB‡cv‡÷vg e‡j| P~ovq †K›`ªfv‡e e„ËvKvi gyLwQ`ª Ges gyLwQ`ª‡K wN‡i
Kwl©Kv _v‡K|

REAL TEST  ANALYSIS OF PREVIOUS YEAR QUESTIONS

STEP 01 02. wb‡¤œi †KvbwU Hydra-†Z wb‡Wveøv÷ enb K‡i bv? [DU.14-15]
ANALYSIS OF DU QUESTION
A. nvB‡cv‡÷vg B. Kwl©Kv C. GwcWvwg©m D. cv` PvKwZ
01. †KvbwU Hydra-†Z _v‡K bv? [DU.16-17]
Ans D Why nvBWªvi cv` PvKwZ Qvov Zvi †`‡ni me©Î wb‡Wveøv÷ †Kvl
A. †g‡mvwMøqv B. wm‡j‡›Uib C. †g‡mvWvg© D. wb‡WvmvBU enb K‡i| Gi KvR g~jZ Lv`¨ MÖnY| Pjb I AvZ¥iÿvq Ask MÖnY|
Ans C Why nvBWªv GwcWvwg©m I M¨v‡÷ªvWvwg©m bvgK `ywU †Kvl¯Íi wb‡q 03. †g‡mvwMøqv cvIqv hvq †Kvb cÖvYx‡Z? [DU.12-13]
MwVZ| G‡`i †g‡mvWvg© _v‡K bv Gi cwie‡Z© †g‡mvwMøqv bv‡g GKwU A. gvbyl B. Avi‡kvjv C. nvBWªv D. gvQ
A‡Kvlxq †Rwji g‡Zv ¯Íi _v‡K| GwcWvwg©m I M¨v‡÷ªvWvwg©‡mi †Kvl Ans C Why Hydra Gi ewntZ¡K I AšÍtZ¡K Gi ga¨eZx© Z¡K‡K †g‡mvwMøqv
†g‡mvwMøqv MV‡b mnvqZv K‡i| e‡j| GwU †Kvl¯Íi bq, G‡K Aej¤^b`vbKvix ev ms‡hvMKvix Zj e‡j|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi cwiwPwZ 363

04. nvBWªv-Gi GwcWvwg©‡m †Kvb †KvlwU †`Lv hvq bv? [DU: 11-12, 07-08; CU.11-12] 05. evsjv‡`‡k Hydra-Gi †Kvb cÖRvwZ †ewk cvIqv hvq?
A. ms‡e`x †Kvl B. MÖwš †Kvl C. wkLv †Kvl D. Rbb †Kvl [JU: Unit-D; Set-A/B,19-20]
Ans C Why Flame cell ev wkLv‡Kvl Platyhelminthes c‡e©i cÖvYx‡`i A. H. oligactis B. H. viridissima
C. H. vulgaris D. H. tettagalis
†iPbZ‡š¿ †`Lv hvq hv nvBWªvi Gi g‡a¨ †`Lv hvq bv|
Ans C Why Hydra-i g‡a¨ evsjv‡`‡k Hydra vulgaris A‡bK †ewk
05. Hydra-Gi †`‡n †KvbwU K¼vj wn‡m‡e KvR K‡i? [DU.01-02; SUST.04-05]
cvIqv hvq| Hydra Vulgaris †`L‡Z nvjKv njy`-ev`vgx e‡Y©i|
A. wbgv‡Uvwm÷ B. †g‡mvwMøqv C. GwcWvwg©m D. wm‡j‡›Uib
06. nvBWªvi †Kvb ai‡bi †bgv‡Uvwm‡÷ wnc‡bvUw·b _v‡K? [JU: Unit-D; Set-Q,19-20]
Ans B Why  †bgv‡Uvwm÷: AvZ¥iÿvq Ask †bq|
A. †cwbUª¨v›U B. †÷c‡Uvwjb MøywUb¨v›U
 †g‡mvwMøqv: GwU †Kvl¯Íi bq| G‡K Aej¤^b `vbKvix ev ms‡hvMKvix Zj e‡j|
C. fj‡f›U D. †÷wiIwjb MøywUb¨v›U
 GwcWvwg©m: nvBWªvi ewntZ¡K|
Ans A Wh y †cwbUª¨ v›U ev w÷‡bvwUj †bgv‡Uvwm‡÷ wnc‡bvUw·b _v‡K
 wm‡j‡›Uib: cwicvK msenb MnŸi|
hvi mvnv‡h¨ wkKvi‡K AÁvb I Aek K‡i †d‡j|
06. Hydra-Gi †Kvb ai‡bi †bgv‡Uvwm÷ wnc‡bvUw·b wbtmiY K‡i? [DU. 00-01;
BAU.01-02,06-07; JU: 18-19, 17-18, 11-12, 09-10;RU.16-17,11-12, 10-11, 04-
07. nvBWªvi †Kvb ai‡bi †bgv‡Uvwm‡÷i m~ÎK KuvUvhy³? [JU: Unit-D; Set-I;19-20]
05; CU.16-17] A. †÷wiIwjb MøywUb¨v›U B. fj‡fë
A. w÷‡bvwUj B. fj‡f›U C. †÷ªc‡Uvwjb D. †÷wiIwjb MøywUb¨v›U C. †÷ªc‡Uvwjb MøywUb¨v›U D. †cwbUª¨v›U
Ans A Why wnc‡bvUw·b MwVZ nq Avwgl I †dbj w`‡q| Hydra †Z Ans C Why nvBWªvq wb‡¤œv³ Pvi ai‡bi †bgv‡Uvwm÷ cvIqv hvq:
Pvi ai‡bi †bgv‡Uvwm÷ _v‡K| w÷‡bvwUj ev †cwbUª¨v›U e„nËg †bgv‡Uvwm÷ 1. w÷‡bvwUj ev †cwbUª¨v›U: e„nËg †bgv‡Uvwm÷ G‡`i m~ÎK j¤^v, duvcv,
Ges wnc‡bvUw·b bvgK welv³ i‡m c~Y©| kxl© Db¥y³ evU cÖk¯Í Ges wZbwU eo Zxÿè eve© I wZb mvwi mwc©jvKv‡i
07. Hydra-Gi †`‡ni †h †Kv‡li cÖ‡qvRb †mB †Kv‡l iƒcvšÍwiZ n‡Z cv‡i, mw¾Z AwZ ÿz`ª evwe©Djhy³| Gi wfZ‡i wnc‡bvUw·b bvgK welv³
Zvi bvg? [DU. 97-98;MBSTU.12-13] Zij _v‡K|
A. ms‡e`x †Kvl B. mœvqy‡Kvl 2. fj‡f›U: G¸‡jv A‡cÿvK…Z †QvU| m~ÎKwU Lv‡Uv, †gvUv, w¯wZ¯vcK,
C. gvmKz‡jv Gwc‡_wjqvj †Kvl D. B›Uviw÷wkqvj †Kvl KuvUvwenxb Ges eÜ kxl©hy³ †bgv‡Uvwm÷|
Ans D Wh y B›Uviw÷wkqvj †Kvl cÖ‡qvR‡b Ab¨ †h †Kv‡bv ai‡bi 3. †÷ªc‡Uvwjb MøywUb¨v›U: Gi m~ÎK j¤^v, mwc©jvKv‡i mw¾Z KuvUvhy³, evU
ewntZ¡Kxq †Kv‡l cwiYZ nq, cybiærcwË I gyKzj m„wó‡Z Ask †bq| myMwVZ bq Ges kxl©‡`k Db¥y³|
08. Lv`¨ wkKv‡ii Rb¨ nvBWªvi †bgv‡Uvwm÷evnx we‡kl †Kv‡li bvg wK? [DU.96-97] 4. †÷wiIwjb MøywUb¨v›U: G¸‡jv ÿz`ªZi †bgv‡Uvwm÷; m~ÎK j¤^v,
A. †ckx AveiYx †Kvl B. wb‡Wveøv÷ KuvUvwenxb, evU myMwVZ bq Ges kxl©‡`k Db¥y³|
C. B›Uviw÷wkqvj D. cywó‡Kvl Ans B 08. †Kvb weÁvbx me©cÖ_g Hydra i cybiærcwË ÿgZv ch©‡eÿY K‡ib?
[JU: D;Set-H,18-19]
STEP 02 ANALYSIS OF JU QUESTION A. gv‡m©‡jv gvjwcwR B. A¨vb‡Wªm †f‡mwjqvm
01. nvBWªvi GwcWvwg©‡mi mg¯Í AskRy‡o †Kvb †Kv‡li AvwaK¨ _v‡K? C. Rb.B. mvj÷b D. Aveªvnvg †Uª¤^‡j Ans D
[JU-D, Set-G. 20-21] 09. Hydra-i †`‡n †KvbwU †`Lv hvq? [JU:D;Set-A.B,18-19]
A. †ckx Aveibx B. MÖwš C. ¯œvqy D. B›Uviw÷wkqvj A. wn‡gvwmj B. †g‡mvwMøqv
Ans A Wh y GwcWvwg© ‡ mi Ab¨vb¨ †Kv‡li Zz j bvq †cwk-AveiYx C. gv‡qvdvBweª j D. †¯‥¬ivBU Ans B
†Kvl¸‡jv AvKv‡i eo Ges msL¨vq AwaK| †Kvl¸‡jv †KvYvKvi ev 10. nvBWªvi UwU‡cv‡U›U †Kvl †KvbwU? [JU:D,17-18]
bvmcvwZ AvK…wZi Ges GwcWvwg©‡mi m¤ú~Y© cyiæZ¡ eivei †g‡mvwMøqvi Dci A. B›Uviw÷wkqvj †Kvl B. MÖwš †Kvl
Ae¯vb K‡i| C. ms‡e`x †Kvl D. ¯œvqy †Kvl Ans A
02. †KvbwU wb‡WvmvB‡Ui KvR? [JU-D, Set-T. 20-21] 11. nvBWªvi cywó‡Kv‡li •ewkó¨ bq †KvbwU? [JU:D,15-16]
A. wkKvi Kiv B. AvZ¥iÿv Kiv A. ¯Í¤¢vKvi B. wbDwK¬qvm hy³
C. †bgv‡Uvwm÷ enb D. Pj‡b mvnvh¨ Kiv C. MnŸihy³ D. wgDKvm wbtmvix Ans D
Ans C Why wb‡WvmvBU †bgv‡Uvwm÷ enb K‡i hv wkKvi Kiv, AvZ¥iÿv 12. Hydra fusca-Gi nvB‡cv‡÷v‡gi †Mvovi PZzw`©‡K wN‡i KqwU Kwl©Kv
I Pj‡b mvnvh¨ K‡i| _v‡K? [JU:D.14-15]
03. nvBWªvi †bgv‡Uvwm÷ e¨vUvwi †Kv_vq _v‡K? [JU-D, Set-A. 20-21] A. 4wU B. 6wU
A. Kwl©Kvi AšÍtcÖvPx‡i B. Kwl©Kvi ewntcÖvPxi C. 8wU D. 10wU Ans B
C. Kwl©Kvi wb‡P D. Kwl©Kvi Dc‡i 13. nvBWªvi e„nËg †bgv‡Uvwm‡÷i bvg wK? [JU:D,13-14]
Ans B Why †bgv‡Uvwm÷: A. w÷‡bvwUj ev †cwbUªv›U B. fj‡f›U
 G‡±vWv‡g© _v‡K C. †÷ª‡Þvwjb MøywUb¨v›U D. †÷wiIwjb MøywUb¨v›U Ans A
 me‡P‡q †ewk _v‡K Kwl©Kvq 14. nvBWªvi †Kvb †bgv‡Uvwm‡÷i kxl©‡`k e× I KuvUvwenxb? [JU:D.11-12; DU.09-10]
 me‡P‡q Kg _v‡K ev c`Z‡j _v‡Kbv A. †÷ªc‡Uvwjb MøywUb¨v›U B. fj‡f›U
 weÁvbx fvY©vi 23 ai‡bi †bgv‡Uvwm÷ wm‡j‡›Ui‡b kYv³ K‡ib, nvBWªv‡Z C. w÷‡bvwUj D. †÷ªwiIwjb MøywUb¨v›U Ans B
cvIqv hvq 4 ai‡bi †bgv‡Uvwm÷| 15. GwcWvg©vj †ckx AveiYx †Kv‡li ewntcÖv‡šÍi KvR wK? [JU:D.10-11]
04. †Kvb c‡e©i cÖvYx‡Z †g‡mvwMøqv Dcw¯’Z _v‡K? [JU-D, Set-A. 20-21] A. †`n i¶v Kiv B. †`‡ni m‡¼vPb
A. Platyhelminthes B. Arthropoda C. DÏxcbv MÖ n Y D. cwicv‡K mnvqZv Ans A
C. Cnidaria D. Echinodermata 16. nvBWªvi ¶z`ªZg †bgv‡Uvwm÷ †KvbwU? [JU:D.10-11]
Ans C Why wدÍix cÖvwY‡Z †g‡mvWv‡g©i cwie‡Z© †gv‡mvwMøqv _v‡K| A. Penetrant B. Volvent
wbWvwiqv c‡e©i cÖvwYiv wدÍix| C. Streptoline glutinant D. Stereoline glutinant Ans D

 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
364 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

STEP 03 ANALYSIS OF RU QUESTION STEP 04 ANALYSIS OF CU QUESTION

01. wb‡Wveøv÷ †Kv‡li ms‡e`x Ask †KvbwU? [RU:SG-2,18-19] 01. Hydra Gi †bgv‡Uvwm÷ cvIqv hvq Bnvi- [CU.17-18]
A. evwe© B. wb‡Wvwmj A. ms‡e`x †Kv‡l B. MÖwš †Kv‡l
C. evwe©Ij D. cu¨vPv‡bv m~ÎK Ans B C. Rbb †Kv‡l D. wb‡WvmvBU †Kv‡l Ans D
02. nvBWªvi †`‡ni †K‡›`ª Aew¯’Z duvKv MnŸi‡K Kx e‡j? [RU:SG-2,18-19] 02. wnc‡bvUw·b (Hypnotoxin) nvBWªv (Hydra)-†Z †Kvb †Kv‡l cvIqv
A. wm‡j‡›Uib B. wn‡gvwmj hvq? [CU.12-13]
C. wm‡jvg D. eøv‡÷vwmj Ans A A. B›Uviw÷wkqvj †Kvl B. MÖwš †Kvl
03. B›Uviw÷wkqvj †Kv‡li KvR Kx? [RU:SG-1,18-19] C. Gwc‡_jxq †ckx †Kvl D. d¬v‡Rjvhy³ cywó †ckx †Kvl
A. ey` ey` m„wó Kiv B. Lv`¨ MÖnY Kiv E. wb‡WvmvBU †Kvl Ans E

C. cÖ‡qvR‡b †h †Kvb †Kvl MVb Kiv D. AvZ¥i¶v Kiv Ans C

03. wnc‡bvUw·b cvIqv hvq †Kvb cÖvYx‡Z? [CU:G,11-12]

04. †Kvb ai‡Yi †bgv‡Uvwm‡÷ KuvUv _v‡K? [RU.17-18]

A. mvc B. A¨vwgev
C. KuvKov weQv D. nvBWªv E. g¨v‡jwiqvi RxevYy Ans D
A. w÷‡bvwUj B. fj‡f›U
04. nvBWªv †Kvb c‡e©i AšÍM©Z? [CU.06-07]
C. †÷ªc‡Uvwjb MøywUb¨v›U D. †÷wiIwjb MøywUb¨v›U Ans C
A. KW©vUv B. Av‡_ª©v‡cvWv C. cwi‡div D. wbWvwiqv Ans D
05. ivmvqwbKfv‡e wnc‡bvUw·b †Kvb Drcv`‡b MwVZ? [RU.16-17]
05. †g‡mvwMøqv n‡”Q- [CU.04-05]
A. †cÖvwUb I wjwcW B. †cÖvwUb I †dbj
A. Hydra-i wØZxq åƒY¯Íi|
C. wjwcW I †dbj D. RvBwjb I †cÖvwUb Ans B
B. Hydra-Gi wm‡j‡›Ui‡Yi GKwU A‡Kvlx ¯Íi
06. Cnidocyte-Gi KvR bq †KvbwU? [RU.16-17]
C. GwcWvwg©m I M¨v‡÷ªvWvwg©‡mi g‡a¨ Aew¯Z GKwU †Kvlxq ¯Íi
A. Lv`¨ aiv B. AvZ¥i¶v Kiv D. †KvbwUB bq Ans D
C. Pjb D. cÖRbb Ans D
06. nvBWªvq †Kvb ai‡Yi †bgv‡Uvwm÷ †ekx cvIqv hv‡e? [CU.01-02]
07. Hydra vulgaris Gi †`‡ni eY©- [RU.15-16] A. fj‡f›U B. MøywUb¨v›U
A. cÖvq eY©nxb B. meyR C. †cwbUª¨v›U D. A I C DfqB Ans C
C. nj‡`‡U D. ev`vgx Ans A 07. nvBWªvi †`n cÖvPx‡ii †Kvlhy³ ¯Íi KqwU? [CU.01-02]
08. Hydra †Kgb RvqMvq emevm K‡i? [RU.15-16] A. 3wU B. 2wU C. 1wU D. 4wU Ans B
A. †jvbv cvwb‡Z B. wgVv cvwb‡Z 08. nvBWªvi †g‡mvwMøqv Drcbœ nq? [CU.00-01]
C. †jvbv I wgVv cvwb‡Z D. mgy‡`ªi cvwb‡Z Ans B A. GwcWvwg©m n‡Z B. M¨v‡÷ªvWvwg©m n‡Z
09. nvBWªv wkKv‡ii †`‡n wb‡Pi †KvbwU cÖ‡ek Kwi‡q Aek K‡i? [RU.15-16] C. A I B DfqB D. †g‡mvWvwg©m n‡Z Ans C
A. wnc‡bvUw·b B. MøywUUw·b
C. †bgv‡UvUw·b D. wgD‡KvUw·b Ans A STEP 05 ANALYSIS OF DU-7 Clg QUESTION
10. Hydra-i cÖK…Z Avwe®‥viK- [RU.13-14] 01. Hydra Gi †ÿ‡Î †KvbwU mwVK bq? [DU. 7Clg-A: 20-21]
A. wjbxqvm B. WviDBb A. mvgyw`ªK B. wg‡_vRxweZv cÖ`k©b K‡i
C. †Uª¤^‡j D. Iqv‡jm Ans C C. wدÍix D. gy‡Kvj`Mg c×wZ‡Z cÖRbb K‡i
11. Hydra Gi †`n j¤^vq cÖvq- [RU.12-13] Ans A Wh y nvBWª v i •ewkó¨:
A. 10-15 wg. wg. B. 10-30 wg. wg  wgVv cvwbi cÖvwY  wg‡_vRxweZv cÖ`k©b K‡i
C. 20-40 wg. wg D. 05-10 wg. wg Ans B  gvskvmx cÖvwY  gy‡Kvj`Mg c×wZ‡Z cÖRbb K‡i
12. †KvbwU nvBWªvi evwn‡ii ¯Íi? [RU.12-13]  †g‡mvWv‡g©i cwie‡Z© †g‡mvwMøqv _v‡K
A. GwcWvwg©m B. M¨v‡÷ªvWvwg©m
C. wb‡Wveøv÷ D. †bgv‡Uvwmó Ans A STEP 06 ANALYSIS OF GST QUESTION
13. nvBWªvi †Kvb †Kvl ïµvYy I wW¤^vYy m„wó K‡i? [RU.11-12; MAT.94-95] PART A Analysis of General University Question
A. wb‡Wveøv÷ †Kvl B. Rbb †Kvl JnU
C. MÖwš †Kvl D. B›Uviw÷wkqvj †Kvl Ans B
01. Hydra Gi Nematocyst KZ cÖKvi? [JnU.07-08; CU.18-19,04-05]
14. wb‡WvmvBU _v‡K nvBWªvi- [RU.09-10] A. 4 B. 3 C. 5 D. 2 Ans A
A. AšÍtZ¡‡K B. ewntZ¡‡K 02. nvBWªvi †¶‡Î †Kvb Z_¨wU mwVK bq? [JnU.04-05]
C. Rbbv‡½ D. gyKz‡j Ans B A. nvBWªvi cÖK…Z Avwe®‥viK Aveªvnvg †Uª¤‡^ j
15. Hydra/ Hydra vulgaris Lv`¨vfv‡mi w`K w`‡q †Kvb ai‡Yi cÖvYx? B. nvBWªv GKwU eû g¯ÍKwewkó †ivgvb •`‡Z¨i bvg
[RU.08-09,04-05] C. nvBWªv gy³Rxex
A. Z…Y‡fvRx B. gvsmvkx
D. nvBWªv wgVv cvwbi cÖvYx Ans B
C. me©fz³ D. g„Z‡fvRx Ans B
16. Hydra Gi †`‡n †g‡mvwMøqv †Kvb ai‡bi ¯Íi? [RU.08-09; CU. 01-02] IU
A. †Kvlxq B. A‡Kvlxq 01. nvBWªvi Ask bq- [IU.19-20]
C. †Kvlim wbtm„Z Zij D. GwcWvwg©m D™¢Z
~ †Kvl Ans B A. Kwl©Kv B. nvB‡cv‡÷vg C. c`Zj D. mvBK¬‡qW
17. †Kvb ai‡Yi †bgv‡Uvwm÷ wkKvi‡K Rwo‡q a‡i? [RU.08-09] Ans D Why GKwU cwiYZ Hydra-i †`n‡K cÖavYZ wZbwU As‡k fvM
A. w÷‡bvwUj B. fj‡f›U Kiv hvq- 1. nvB‡cv‡÷vg 2. †`nKvÐ I 3. c`Zj ev cv`-PvKwZ|
C. †÷ªc‡Uvwjb D. †÷ªwiIwjb Ans B  mvBK¬ ‡qW n‡”Q Actinopterygii †kÖwYi cÖvYx‡`i AuvBk|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi cwiwPwZ 365

PART B Analysis of Science & Technology Question 09. wm‡j›Uv‡iUv RvZxq cÖvYx‡`i †`‡n bvbvb ai‡bi †bgv‡Uvwm÷ kbv³ Kiv
n‡q‡Q, nvBWªv‡Z †hwU cvIqv hvq bv †mwU n‡”Q [MAT. 2000-01]
BSMRSTU
A. †÷ªwiIwjb MøywUb¨v›U B. †÷ªc‡Uvwjb MøywUb¨v›U
01. MÖxK iƒcK_vi mv‡_ †KvbwU RwoZ? [BSMRSTU:H, 18-19, 17-18]
C. †÷wiIM¨v÷ªyjv D. fj‡f›U Ans C
A. kvgyK B. gvQ C. Kwl©Kv D. Lv`¨ MnŸei
10. nvBWªvi B›Uviw÷wkqvj †Kv‡li KvR- [MAT. 96-97]
Ans C Why Kwl©Kv cvIqv hvq nvBWªv‡Z, nvBWªvi bvgKiY Kiv n‡q‡Q
A. AveiYx †Kv‡li gZ †`nveiY m„wó K‡i †`n‡K i¶v K‡i
wMÖK iƒcK_vi bq gv_vIqvjv WªvM‡bi bvgvbymv‡i|
B. ¶Yc` m„wó K‡i Pj‡b AskMÖnY K‡i
PSTU C. cybiærcwË I gyKzj m„wó‡Z Ask †bq
01. nvBWªvi ewntZ¡K I AšÍtZ¡‡Ki ga¨eZ©x Z¡K‡K wK e‡j? D. ey`ey` m„wó K‡i fvm‡Z mvnvh¨ K‡i Ans C
[PSTU.2013-14; MAT. 95-96] 11. cwicvK I cwien‡bi KvR `ywU m¤úbœ K‡i- [MAT. 90-91; IU.11-12]
A. †g‡mvwMøqv B. †g‡mbKvBgv A. wn‡gvwmj B. jwmKv
C. †g‡gbywU D. †g‡mvWvg Ans A C. wm‡j‡›UiY D. i³im Ans C
RMSTU DAT
01. nvBWªv †Kvb ai‡bi cÖvYx? [RMSTU: C. 19-20] 01. wb‡Pi †Kvb †KvlwU nvBWªvi GwcWvwg©m (Epidermis) Gi Ask bq?
A. gvskvmx B. Z…Y‡fvRx C. †giæ`Ûx D. me©fzK [DAT. 19-20]
Ans A Wh y nvBWª v Carnivore ev gvskvmx cÖ v Yx| A. B›Uviw÷wkqvj †Kvl B. ÿYc`xq †Kvl
C. ms‡e`xq †Kvl D. ¯œvqy †Kvl
STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION Ans B Why nvBWªvi †Kvlmg~n:
MAT  GwcWvwg©‡mi †Kvlmg~n: †cwk-AveiYx †Kvl, B›Uviw÷wkqvj †Kvl, ms‡e`x
01. †bgv‡Uvwm‡÷i (Nematocyst) wfZ‡i welv³ Zij c`v‡_©i bvg wK? †Kvl, ¯œvqy †Kvl, MÖwš †Kvl, Rbb †Kvl, wb‡WvmvBU|
[MAT.2020-21]  M¨v‡÷ªvWvwg©‡mi †Kvlmg~n: cywó †Kvl, MÖwš †Kvl, B›Uviw÷wkqvj †Kvl,
A. Hemozoin B. Hemocyanin C. Toxin D. Hypnotoxin ms‡e`x †Kvl Ges ¯œvqy †Kvl|
Ans D Why nvBWªvi †bgv‡Uvwm‡÷i wfZ‡i †cÖvwUb I †dbj mg„× 02. ÔnvBWªvi G‡ÛvWvwg©‡mi †h †Kvb †Kvl •Zix Ki‡Z cv‡i †KvbwU? [DAT.18-19]
wnc‡bvUw·b bvgK wekv³ Zij c`v_© _v‡K| wkKv‡ii †`‡n m~ÎK we× K‡i A. cywó †Kvl B. B›Uviw÷wkqvj †Kvl
welv³ wnc‡bvUw·b cÖ‡ek Kwi‡q Zv‡K AÁvb I Aek K‡i †d‡j| C. MÖwš †Kvl D. ms‡e`x †Kvl Ans B
02. nvBWªvi †Kvb As‡k wb‡WvmvBU †Kvl me‡P‡q †ekx _v‡K? [MAT.19-20] 03. wίÍix cÖvYxi •ewk‡ó¨ †KvbwU c‡o bv? [DAT.05-06]
A. †`n KvÐ B. Kwl©Kv C. c` PvKwZ D. †`n cÖvPxi A. †`n MnŸi‡K wm‡jvg ejv nq
Ans B Why nvBWªvi cv`PvKwZ e¨wZZ †`‡ni me©Î wb‡WvmvBU †Kvl B. †`nf¨šÍ‡i GKwUgvÎ bvjx †`Lv hvq
we`¨gvb _v‡K, wKš‧ Kwl©Kv‡Z G‡`i msL¨v me‡P‡q †ewk _v‡K| C. †`‡ni †Kvl¸‡jv G‡±vWvg©, †g‡mvWvg© I G‡ÛvWvg© bvgK wZbwU
03. wb‡Pi †KvbwU wدÍix? [MAT.19-20] †Kvl¯Í‡i web¨¯Í _v‡K
A. g¨v‡jwiqvi RxevYy B. wdZv K…wg C. nvBWªv D. †RuvK D. åƒY ¯Í‡ii †Kvl¸‡jv wewfbœ ¯Íi MVb Kiv, A½ I A½Zš¿ MVb K‡i Ans B
Ans C Why cwi‡div c‡e©i cÖvYx ¯Íiwenxb, wbWvwiqv c‡e©i cÖvYx wØ-¯Íix 04. nvBWªvi †`nMnŸi‡K M¨v‡÷ªvfv¯‥zjvi MnŸi ejv nq †Kb? [DAT. 97-98]
Ges wbWvwiqv cieZx© mKj c‡e©i cÖvYx wÎ-¯Íix| wdZv K…wg I †RuvK A. GwU †iP‡b mnvqZv K‡i|
wbWvwiqv cieZ©x c‡e©i Ges g¨v‡jwiqv RxevYy †cÖvwU÷v RM‡Zi| B. GwU †c․wóKZš¿ I msenbZ‡š¿i KvR K‡i
04. nvBWªvi ewntZ¡‡K mgMÖ ¯’vb Ry‡o Ae¯’vb K‡i †KvbwU? [MAT.18-19]
C. GwU ïaygvÎ msenbZš¿ wnmv‡e KvR K‡i
A. ms‡e`x †Kvl B. wb‡Wveøv÷ †Kvl D. †KvbwUB bq| Ans B
C. ¯œvqy †Kvl D. †cwk AveiYx †Kvl Ans D
05. wb‡Wveøv‡÷i †Kvb Ask wUªMv‡ii gZ KvR K‡i? [MAT. 06-07] STEP 08 ANALYSIS OF HSC BOARD QUESTION
A. †bgv‡Uvwm÷ B. AcviKzjvg
Dhaka Board
C. wb‡Wvwmj D. †ckxm~Î Ans C
01. nvBWªvi †Kvb †bgv‡Uvwm‡÷ †dbj _v‡K? [Xv. †ev. 2019]
06. †Kvb cÖvYxwU wدÍix- [MAT.04-05; BAU.2000-01]
A. †RvuK B. nvBWªv A. fj‡f›U B. †÷ª c ‡Uvwjb Mø wUb¨v›U
C. g¨v‡jwiqv RxevYy D. wdZvK…wg Ans B
C. †cwbUªv›U D. †÷wiIwjb MøwUb¨v›U Ans C

07. nvBWªvi Kwl©Kv I †bgv‡Uvwm÷ cvi¯úwiK mn‡hvwMZvq †h KvRwU‡Z Ask 02. †Kvb †Kv‡li Kvi‡Y Hydra †K Agi cÖ v Yx ejv nq? [Xv. †ev. 2019]
MÖnY K‡i- [MAT.02-03]
A. wb‡WvmvBU B. †ckx AveiYx
A. Pjb B. Lv`¨ msMÖn C. Rbb †Kvl D. B›Uviw÷wkqvj Ans D

C. AvZ¥i¶v D. me¸‡jvB Ans D Rajshahi Board

08. mij AveiYx Kjvi ¯Í¤¢vKvi †Kv‡li †¶‡Î †KvbwU mZ¨ bq? [MAT. 99-01] 01. Hydra-i †Kvb †KvlwU †KejgvÎ ewnt¯Í‡i we`¨gvb? [iv. †ev. 2019]
A. MÖwšhy³ †Kvl n‡Z Zij c`v_© ¶wiZ nq A. wb‡Wveøv÷ †Kvl B. ¯œvqy †Kvl
B. nvBWªvi †`n cÖvPx‡ii ewntZ¡‡K d¬¨v‡Rjv _v‡K C. MÖwš †Kvl D. ÿYc`xq †Kvl Ans A
C. nvBWªvi †`n cÖvPx‡ii AšÍtZ¡‡K ¯Í¤¢vKvi †Kv‡li miæ cÖvšÍ †_‡K GK ev 02. wb‡WvmvBU †Kvl †Kv_vq cvIqv hvq? [iv. †ev. 2017]
GKvwaK gvbc` †ei nq A. Hydra B. Taenia
D. †iwUbvi †Kvl¸‡jv wmwjqvhy³ Ans B C. Copsychus D. Panthera Ans A
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
366 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

Cumilla Board 02. fj‡f‡›Ui •ewkó¨ †KvbwU? [wm. †ev. 2017]

01. wb‡¤œi †KvbwU †cwbUª¨v›U †bgv‡Uvwm‡÷i •ewkó¨? [Kz. †ev. 2019] A. †Kv‡bv k¨vdU _v‡K bv B. eve© I evweDj Dcw¯Z
A. m~ÎK KuvUvhy³ B. AvVv‡jv im ÿiY K‡i C. m~·K ÿz`ª ÿz`ª KuvUv we`¨gvb D. m~·Ki AMÖfvM e× Ans D
C. kxl©‡`k eÜ D. evU cÖk¯ Ans D
Barisal Board
Sylhet Board
01. GKevi e¨eüZ †bgv‡Uvwm‡÷i cwiYwZ Kx nq? [e. †ev. 2017]
01. Hydra-i †Kvb †KvlwU †KejgvÎ ewnt¯Í‡i we`¨gvb? [wm. †ev. 2019]
A. wb‡Wveøv÷ †Kvl B. ¯œvqy †Kvl A. †`‡n cwicvK nq B. †`‡ni evB‡i wb®…všÍ nq
C. MÖwš †Kvl D. ÿYc`xq †Kvl Ans A C. cybivq Kg©ÿg nq D. Ab¨‡Kv‡l cwieZ©xZ nq Ans A

CONCEPT 02 nvBWªvi Rxeb-hvcb

 ITEM 01 cwicvK
nvBWªv‡Z `y&Õav‡c cwicvK m¤úbœ nq|
cwicvK
Ñ cÖavb Lv`¨ µv÷vmxq mwÜc`x cÖvYx| GQvovI gv‡Qi wWg, KxUcZ‡½i jvf©v, Cyclops,
Daphnia bv‡g mwÜc`x cÖvwY, †QvU †QvU K…wg, LÛvwqZ cÖvwY (Annelida) etc.

ewnt‡Kvlxq AšÍt‡Kvlxq

kK©iv †cÖvwUb wjwcW cwj‡ccUvBW wjwcW kK©iv

cwicvK nq bv cwj‡ccUvB‡W wjwc‡Wi cwicvK A¨vgvB‡bv Gwm‡W d¨vwU GwmW I wMømvi‡j Møy‡Kv‡R cwiYZ nq
cwiYZ nq nq bv cwiYZ nq cwiYZ nq
(Ref: AvRgj m¨vi, Avjxg m¨vi)

 ITEM 02 Rbb
nvBWªv‡Z A‡h․b I †h․b cÖwµqvq Rbb m¤úbœ nq|
Rbb
ÿz`ª †bgv‡Uvwm÷
†KvbwU...??
A‡h․b (M¨v‡gU Qvov) †h․b
kirKv‡j Lv‡`¨i AcÖZzjZvi
mgq A¯vqx Rbbv½ •Zwi nq|
wØwefvRb gyKz‡jv`Mg
cwiùzUb: giæjv eøv÷zjv
Aby‣`N©¨ MÖx®§Kv‡j Lv‡`¨i cÖvPzh©¨Zvi mgq M¨v÷ªyjv nvBWªyjv
AbycÖ¯ ¯^vfvweK Rbb

 nvBWªvi Rbb cÖwµqv:

i. gyKz‡jv`Mg: GwU A‡h․b Rb‡bi ¯^vfvweK cÖwµqv| eQ‡ii me FZz‡ZB we‡kl K‡i MÖx®§Kv‡j ch©vß Lv`¨ mieivn _vKvq GwU †ewk N‡U|
ii. wefvRb: wefvRb †Kv‡bv ¯^vfvweK Rbb cÖwµqv bq KviY GwU •`evr msNwUZ nq| †Kvb evwn¨K Kvi‡Y nvBWªvi †`n `yB ev Z‡ZvwaK L‡Ð wef³ n‡j
cÖ‡Z¨K LÐ †_‡K bZzb nvBWªv Rb¥vq| G‡K cybiærcwË e‡j, KviY G cÖwµqvq †`‡ni nviv‡bv ev webó Ask cybM©wVZ nq|
iii. †h․b Rbb: wb‡l‡Ki gva¨‡g RvB‡MvU m„wói D‡Ï‡k¨ `ywU cwiYZ Rbb‡Kv‡li (ïµvYy I wW¤^vYy) wbDwK¬qv‡mi GKxfeb cÖwµqv‡K †h․b Rbb e‡j|
 A¯’vqx Rbbv½ m„wó: cÖavbZ kirKv‡j Lv`¨ ¯^íZvi g‡Zv cÖwZK~j cwi‡e‡k G‡`i †`‡n A¯vqx Rbbv‡½i m„wó Ges †h․b Rbb N‡U| cyiæl I ¯¿x
Rbbv½‡K h_vµ‡g ïµvkq I wW¤^vkq e‡j|
 wb‡lK: ïµvYy cwiYZ n‡j ïµvk‡qi wbcj we`xY© K‡i wW¤^vYyi mÜv‡b cvwb‡Z Suv‡K muvZiv‡Z _v‡K|
 cwiùzUb: †hgb µgvš^wqK cwieZ©‡bi gva¨‡g RvB‡MvU †_‡K wkï cÖvwYi DrcwË N‡U Zv‡K cwiùzUb e‡j| (K) giæjv; (L) eøv÷zjv- eøv÷zjvi
†Kvl¸‡jv‡K eøv‡÷vwgqvi Ges †K‡›`ª duvKv MnŸi‡K eøv‡÷vwmj e‡j; (M) M¨v÷ªyjv- M¨v÷ªyjvi Pviw`‡K GKwU KvBwUb wbwg©Z KuvUvhy³ wm÷ AveiYx MwVZ
nq| wm÷e× åƒYwU gvZ…nvBWªv †_‡K wew”Qbœ n‡q cvwbi Zj‡`‡k P‡j hvq; (N) nvBWªyjv- nvBWªyjv wm‡÷i AveiYx we`wY© K‡i cvwb‡Z †ewi‡q Av‡m Ges
¯^vaxb Rxebhvcb ïiæ K‡i|
(Ref: AvRgj m¨vi, Avjxg m¨vi)
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi cwiwPwZ 367

 ITEM 03 Pjb
 nvBWªvi wewfbœ cÖKvi Pjb:
 jywcs ev dvmv Pjb ev nvgv¸wo: j¤^v `~iZ¡, GKUv jyc •Zwi K‡i| †RvKv Pjb ev kuyqv‡cvKv Pjb
bv‡g cwiwPZ|
 mgvimwës ev wWMevwR ev `ªæZ Pjb: mvaviY Pjb, cÖwZKzj cwi‡e‡k, 2 evi jyc •Zwi nq, 180
evwK‡q P‡j|
 MøvBwWs ev A¨vwge‡qW Pjb ev cv` PvKwZi mvnv‡h¨ Pjb: MÖwš †Kvl †_‡K wbtm„Z im PjbZj‡K
wcw”Qj Ki‡j G ai‡bi Pjb nq|
 fvmv: cv`PvKwZi eøv‡÷vWvg© MÖwš‡Kvl †_‡K ey`ey` m„wó K‡i|
 muvZvi: Kwl©Kv¸‡jv‡K †XD‡qi g‡Zv Av‡›`vwjZ K‡i PjvPj K‡i|
 †nuPov‡bv ev nvgv¸wo ev Crawling: †Kvb e¯‧‡K AuvK‡o a‡i Pjb m¤úbœ K‡i, G cÖwµqv Av‡ivnb
I Ae‡ivnb c×wZ‡Z m¤úbœ nq
 nuvUv ev bZgyLx Pjb ev Tentacular: †`‡ni fi Kwl©Kvi Dci †i‡L PjvPj K‡i|
 †`‡ni ms‡KvPb cÖmviY: †`n‡K gy³ K‡i ms‡KvPb cÖmvi‡Yi gva¨‡g PjvPj K‡i|
 Av‡ivnb ev Climbing: RjR Dw™¢‡` kvLvcÖkvLvi m‡½ Kwl©Kv‡K mshy³ K‡i PjvPj K‡i|
 nvBWªvi jywcs Pjb I wWMevRx Pj‡bi g‡a¨ Zzjbv:
Zzjbxq welq jywcs Pjb wWMevRx Pjb
Pjb cÖwµqv we‡kl Pjb mvaviY Pjb
MwZi w`K nvgv¸woi †ÿ‡Î †`‡ni †g․wLK Ask me©`v MwZc‡_i w`‡K Ges wWMevRxi †ÿ‡Î †`‡ni †g․wLK Ask I cv`PvKwZ chv©qµ‡g
cv`PvKwZ wcQ‡b _v‡K| MwZc‡_i w`‡K I wcQ‡b _v‡K|
jy‡ci msL¨v GKwU nvgv¸wo‡Z GKwU jyc MwVZ nq| GKwU wWMevRx‡Z `ywU jyc MwVZ nq|
AwZµvšÍ `~iZ¡ GKwU nvgv¸wo‡Z †`‡ni •`N¨© A‡cÿv Kg `~iZ¡ AwZµg K‡i| GKwU wWMevRx‡Z †`‡ni •`‡N¨©i cÖvq wظY `~iZ¡ AwZµg K‡i|
Pj‡bi MwZ nvgv¸wo c×wZ‡Z nvBWªv A‡cÿvK…Z gši MwZ‡Z P‡j| wWMevRx c×wZ‡Z nvBWªv A‡cÿvK…Z `ªæZMwZ‡Z P‡j|
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg)

 ITEM 04 wg‡_vRxweZv
hLb wfbœ cÖRvwZfy³ `ywU Rxe Ggbfv‡e mnve¯vb K‡i hv‡Z DfqB Df‡qi wbKU n‡Z DcK…Z nq| G ai‡bi mnve¯vb c×wZ‡K wg‡_vRxweZv ev
wmgev‡qvwmm Ges Rxe `ywU‡K ejv nq wg‡_vRxex (Symbiont)|
 meyR nvBWªv (Chlorohydra viridissima) Ges •kevj (Zoochlorella sp.) wmgev‡qvwmm cÖwµqvq Rxebhvcb K‡i|
 nvBWªvi cÖvß DcKvi: Hydra
 •kevj KZ…©K cÖ¯‧ZK…Z kK©iv nvBWªv Lv`¨ wnmv‡e MÖnY K‡i|
 nvBWªvi †`‡n wecvK wµqvi d‡j Drcbœ eR¨© c`v_©, †hgb- CO2, bvB‡Uªv‡Rb NwUZ eR¨© c`v_© BZ¨vw`
•kevj KZ…©K e¨eüZ nq Ges Gi d‡j nvBWªv DcK…Z nq|
 •kev‡ji mv‡jvKms‡kølY cÖwµqvq wbM©Z Aw·‡Rb nvBWªv •Rekw³ Drcv`bKv‡j e¨envi K‡i| O2 Ges kK©iv AvkÖq, N2 RvZ
RvZxq Lv`¨ MÖnY eR©¨ I CO2 MÖnY
 •kev‡ji cÖvß DcKvi:
 •kevj nvBWªvi M¨v‡÷ªvWvwg©‡mi wbDwUªwUf gvmKzjvi †Kv‡l wbivc` Avkª‡q emevm K‡i|
 mv‡jvKms‡kølY cÖwµqvq kK©iv Drcv`‡bi Rb¨ †h CO2 cÖ‡qvRb nq Zv nvBWªvi k¦m‡bi d‡j
Drcbœ CO2 †_‡K mieivn nq| Zoochlorella
 nvBWªvi wecvK wµqvi d‡j Drcbœ bvB‡Uªv‡Rb NwUZ eR©¨ c`v_© •kevj KZ…©K e¨eüZ nq|
(Ref : AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg)

SAQ BAQ
Short Ans Question WRITTEN SUGGESTION Broad Ans Question

 wg‡_vRxweZv Kx? [w`. †ev. 2017]

DËi: hLb `ywU wfbœ cÖRvwZf~³ Rxe Nwbófv‡e mnve¯v‡bi ci¯ú‡ii KvQ †_‡K DcK…Z nq ZLb G ai‡bi mvnPvh©‡K wg‡_vRxweZv e‡j|
 gyKy‡jv`Mg ej‡Z wK eyS?
DËi: GwU A‡h․b Rb‡bi ¯^vfvweK cÖwµqv| AbyKzj cwi‡e‡k I Lv‡`¨i cÖvPzh©Zv _vK‡j Hydra gyKz‡jv`Mg ev evwWs c×wZ‡Z eskwe¯Ívi K‡i _v‡K| mvaviYZ
MÖx®§Kv‡j G c×wZ‡Z Hydra eske„w× K‡i|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
368 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

 nvBWªvi wg‡_vRxexZv e¨vL¨v Ki?

DËi: hLb `ywU wfbœ cÖRvwZf~³ Rxe Nwbófv‡e mnve¯v‡bi d‡j ci¯ú‡ii KvQ †_‡K DcK…Z nq ZLb G ai‡bi mvnPvh©‡K wg‡_vRxweZv e‡j| G Ae¯vq
Rxe`ywU‡K wg‡_vRxex ejv nq| Hydra viridissima (Chlorohydra viridissima) bvgK meyR nvBWªv I Zoochlorella bvgK •kev‡ji my¯úó †`Lv hvq|
Zoochlorella ev meyR •kevj, nvBWªvi MÖ¨v‡÷vWvwg©‡m evm K‡i| nvBWªv Aa©¯^”Q cÖvYx nIqvi G •kev‡ji AšÍt¯ Dcw¯wZ G nvBWªv‡K meyR eY© cÖ `vb K‡i
Ges GRb¨ nvBWªvwUI evB‡i †_‡K meyR †`Lvq|
 mgvimwës Kx?
DËi: Hydra-i mvaviYZ `ªæZ Pjb cÖwµqv n‡jv mgvimwës ev wWMevwR| G cÖwµqvi ïiæ‡Z Hydra †`n‡K euvwK‡q Pj‡bi MwZc‡_ Kwl©Kvq Aew¯Z
MøywUb¨v›U RvZxq †bgv‡Uvwm‡÷i AvVv‡jv ÿi‡Yi mvnv‡h¨ MwZc_‡K ¯úk© K‡i| G mgq MšÍe¨¯jgyLx †cwk-AveiYx †Kv‡li ms‡KvPb I Aci cv‡ki Abyiƒc
†Kv‡li m¤úªmviY N‡U| c‡i cv`-PvKwZ wely³ K‡i Kwl©Kvi Dci fi w`‡q †`n‡K †mvRv K‡i †`q| cybivq †`n‡K euvwK‡q cv`-PvKwZi mvnv‡h¨ MwZc_‡K
¯úk© K‡i| c‡i Kwl©Kv gy³ K‡i †`n‡K †mvRv K‡i †`q| G cÖwµqvi cybive„wË NwU‡q Hydra `ªæZ ¯vb Z¨vM K‡i|

REAL TEST  ANALYSIS OF PREVIOUS YEAR QUESTIONS

STEP 01 ANALYSIS OF DU QUESTION STEP 06 ANALYSIS OF GST QUESTION
01. †h m¤ú‡K© Dfq cÖRvwZi-B DcK…Z nq Zv‡K e‡jÑ [DU.08-09] PART A Analysis of General University Question
A. Host B. Parasitism
C. Parasite D. Mutualism
JnU
01. nvBWªvi wg‡_vRxex m¤úK© (Symbiotic relationship) nqÑ [JnU.11-12]
Ans D Why hLb `ywU wfbœ cÖRvwZfz³ Rxe Nwbôfv‡e mnve¯v‡bi d‡j
A. •kevj I Hydra vulgaris Gi g‡a¨
ci¯ú‡ii KvQ †_‡K DcK…Z nq| ZLb G ai‡bi mvnPh©‡K wg‡_vRxweZv e‡j|
B. •kevj I Chlorohydra viridissima Gi g‡a¨
C. •kevj I Hydra gangetica Gi g‡a¨
STEP 02 ANALYSIS OF JU QUESTION
D. •kevj I Plmatohydra oligactis Gi g‡a¨ Ans B
01. nvBWªvi Rbbv½ m„wó nq †Kvb FZz‡Z? [JU-D, Set-D. 20-21]
A. †ngšÍ I kxZ B. MÖx®§ I el©v KU
C. MÖx®§ I kxZ D. kxZ I emšÍ 01. mgvimwës c×wZ †Kvb cÖ v Yxi Pjb cÖwµqv? [KU:B, 12-13; RU. 12-13]
A. e¨vO B. Avi‡kvjv C. nvBWªv D. wMwbwcM Ans C
Ans A Why A¯’vqx Rbbv½ m„wó: cÖavbZ kxZKvj/†ngšÍKvj/kirKv‡j
Lv`¨ ¯^íZvi g‡Zv cÖwZK~j cwi‡e‡k G‡`i †`‡n A¯vqx Rbbv‡½i m„wó Ges PART B Analysis of Science & Technology Question
†h․b Rbb N‡U| cyiæl I ¯¿x Rbbv½‡K h_vµ‡g ïµvkq I wW¤^vkq e‡j| MBSTU
02. HydraÕi gyKzj m„wói AbyK‚j FZz †KvbwU? [JU-D, Set-F. 20-21]
01. Hydra-i `ªæZ Pjb c×wZ- [MBSTU: B, 19-20; MAT.16-17; DU.15-16]
A. †ngšÍKvj B. kxZKvj A. mgvi mwës B. MøvBwWs C. fvmv D. muvZvi
C. MÖÖx®§Kvj D. el©vKvj Ans A Wh y mu v Zvi: Kwl© K v¸‡jv‡K †XD‡qi g‡Zv Av‡›`vwjZ K‡i Ges
Ans C Why MÖx®§Kv‡j ch©vß Lv`¨ mieivn _vKvq MÖx®§Kvj HydraÕi †`n‡K wfwË †_‡K gy³ K‡i Hydra mn‡RB muvZvi KvU‡Z cv‡i|
gyKzj m„wói AbyK‚j FZz| MøvBwWs: G cÖwµqvq Hydra c`Z‡ji ewntZ¡Kxq †Kvl¸‡jv †_‡K wcw”Qj
03. †Kvb cÖwµqvq nvBWªv Av‡ivnb I Ae‡ivnb K‡i? [JU:D,11-12] im ÿiY K‡i|
A. †`‡ni ms‡KvPb-cÖmviY B. µgms‡KvPb fvmv: gv‡S gv‡S Hydra c`Z‡ji ewntZ¡Kxq †Kvl †_‡K M¨vmxq ey`ey`
C. †nuPov‡bv D. A¨vwge‡qW Pjb Ans C m„wó K‡i, d‡j cÖvYx wfwË †_‡K wePz¨Z, nvjKv I Dcyo n‡q cvwbi c„ôZ‡j
†f‡m D‡V|
STEP 03 ANALYSIS OF RU QUESTION HSTU
01. nvBWªvi Pj‡b MøvBwWs Gi Aci bvg- [RU.11-12]
01. nvBWª v ‡Z †Kvb ai‡bi wb‡lK nq? [HSTU:A, 18-19]
A. AšÍtwb‡lK B. ciwb‡lK C. evBwb‡lK D. †KvbwUB bq
A. jywcs B. mgvi mwës
Ans B Why GKwU nvBWªv‡Z GKB mg‡q ïµvYy I wW¤^vYy •Zix nq bv
B. µwjs D. A¨vwge‡qW Pjb Ans D
ZvB ciwb‡lK N‡U|
STEP 04 ANALYSIS OF CU QUESTION STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION
01. Zoochlorella nvBWªvi †Kv_vq _v‡K? [CU-A, Shift-4. 20-21]
MAT
A. G‡±vWvwg©m B. M¨v‡÷ªvWvwg©‡m
01. †Kvb c×wZ‡Z nvBWªv j¤^v `~iZ¡ AwZµg K‡i? [MAT.2020-21]
C. †g‡mvwMøqv D. wm‡j‡›Uib A. wWMevwR B. mvZvi C. MøvBwWs D. nvgv¸wo
Ans B Why Zoochlorella I nvBWªvi wg‡_vRxweZv jÿ¨ Kiv hvq Ans D Why j¤^v `~iZ¡ AwZµ‡gi Rb¨ nvBWªv mvaviYZ jywcs ev nvgv¸wo
†m‡ÿ‡Î RyI‡K¬v‡ijv nvBWªvi M¨v‡÷ªWvwg©‡m Ae¯vb K‡i| Pj‡bi AvkÖq †bq| G cÖwµqvi ïiæ‡Z GK cv‡ki †cwk-AveiYx †Kvl¸‡jv
02. wb‡Pi †Kvb cÖvYx‡Z A‡h․b I †h․b Dfq cÖRbb c×wZ we`¨gvb? m¼zwPZ nq Ges Aci cv‡ki Abyiƒc †Kvl¸‡jv m¤úªmvwiZ nq| d‡j nvBWªv
[CU-A, Shift-2. 20-21] MwZc‡_i w`‡K †`n‡K cÖmvwiZ K‡i I euvwK‡q †g․wLK Zj‡K wfwËi
A. †g․gvwQ B. iæB gvQ KvQvKvwQ wb‡q Av‡m Ges Kwl©Kvi MøywUb¨v›U †bgv‡Uvwm‡÷i mvnv‡h¨ wfwˇK
C. Nvm dwos D. nvBWªv AvU‡K a‡i| Gici cv`-PvKwZ‡K gy³ K‡i gy‡Li KvQvKvwQ G‡b ¯vcb K‡i
Ans D Why nvBWªvi Rbb `yB fv‡e m¤úbœ nq| h_v: (i) A‡h․b Rbb Ges Kwl©Kv wehy³ K‡i †mvRv n‡q `uvovq| G c×wZi cybive„wË NwU‡q nvBWªv
(gyKz‡jv`Mg I wefvRb), (ii) †h․b Rbb| ¯vb Z¨vM K‡i|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi cwiwPwZ 369

02. nvBWªvi Lv`¨ bq †KvbwU? [MAT. 17-18] DAT

A. mvBK¬cm B. W¨vdwbqv 01. nvBWªvi †h․b Rb‡bi †ejvq †hwU mZ¨ bq? [DAT. 99-00]
C. LÛKvwqZ cÖvYx D. †QvU Nvm Ans D A. nvB‡cv‡óv‡gi KvQvKvwQ GK ev GKvwaK ïµvkq m„wó nq|
03. †Kvb cÖvYx A‡h․b I †h․b `yfv‡eB cÖRbb m¤úbœ K‡i? [MAT.15-16]
B. Dfq wj½ n‡jI G‡`i ¯^-wb‡lK N‡U bv|
A. iæB gvQ B. nvBWªv
C. wW¤^vYyi B›Uviw÷wkqvj †Kvl wg‡qvwmm cÖwµqvq wefvwRZ n‡q
C. Nvmdwos D. †g․gvwQ Ans B
DI‡Mvwbqvg MVb K‡i|
04. nvBWªvi gyKzj wK Kv‡R e¨eüZ nq? [MAT. 14-15]
D. cÖwZwU cwiYZ ïµvYy GKwU g¯ÍK, GKwU ga¨LÛ Ges GKwU †jR wb‡q
A. A‡h․b cÖRbb B. cybiærcwË
C. Pjb D. †h․b cÖRbb Ans A MwVZ| Ans C

05. †KvbwU nvBWªv-Gi Pjb bq? [MAT. 13-14] 02. nvBWª v i ¯œ v qy ‡ Kvl- [DAT. 96-97]
A. jywcs B. MøvBwWs A. wew¶ßfv‡e cywó †Kv‡li dvu‡K dvu‡K Ae¯vb K‡i
C. Wªwcs D. µwjs Ans C B. †ckx AveiYx †Kv‡li dvu‡K dvu‡K Ae¯vb K‡i
06. nvBWªv hLb Zvi †`‡ni fi c`Z‡ji Dci bv †i‡L Kwl©Kvi Dci ¯’vcb C. AšÍtZ¡‡Ki †ewki fvM Ask Ry‡o Aew¯Z
K‡i Ges Kwl©Kv‡K cv‡qi g‡Zv e¨envi K‡i Dëvfv‡e ax‡i ax‡i P‡j, D. †g‡mvwMøqv †Nu‡l Aew¯Z Ans D
ZLb †mwU wK ai‡bi Pjb? [MAT. 06-07]
A. MøvBwWs B. †nuPovb AFMC
C. fvmv D. bZg~Lx Ans D 01. nvBWª v †Kvb c‡e© i cÖ v Yx? [AFMC. 2020-21]
07. nvBWªv A‡h․b cÖRbb m¤úbœ K‡i †Kvb cÖwµqvq? [MAT. 93-94; DAT. 95-96] A. wbWvwiqv B. GKvB‡bvWvg©vUv
A. gyKz‡jv`Mg B. wØwefvRb C. KW©vUv D. gjv¯‥v
C. cv‡_©‡bv‡R‡bwmm D. †KvbwUB bq Ans AB Ans A Why nvBWªv ÿz`ªvK…wZ ¯^v`ycvwbi cÖvwYi MY hv wbWvwiqv c‡e©i
08. nvBWªvi †ejvq †KvbwU mZ¨ bq? [MAT.95-96]
nvB‡Wªv‡Rvqv †kÖwYi AšÍM©Z| G‡`i cvIqv hvq bvwZkx‡Zvò I MÖx®§gÛjxq
A. ¯^vfvweK cÖRbb cÖwµqv gyKz‡jv`Mg|
A‡j| RxeweÁvbxiv nvBWªvi cÖwZ we‡kl AvMÖnx Gi cybiærcwË ÿgZvi
B. †`nvf¨šÍ‡i cwicvK msenb MnŸiwU wm‡j‡›UiY|
Rb¨| nvBWªvi cÖK…Z Avwe®‥viK Aveªvnvg †Uª¤^‡j (1700-1784 wLª÷v‡ã)|
C. ewntZ¡K I AšÍtZ¡‡Ki gvSLv‡b A‡Kvlxq ¯ÍiwUi bvg †g‡mvwMøqv
D. `ªæZ Pjb cÖwµqvi bvg jywcs Ans D
K¨v‡ivjvm wjwbqvm Gi bvg †`b nvBWªv| wbWvwiqv c‡e©i Ab¨vb¨ cÖvwY:
09. nvBWªvi cÖRbb nq- [MAT. 94-95; DAT. 95-96] †Rwjwdm, mgy`ª cvjK, bxj †evZvg, mvMi cvLv BZ¨vw`|
A. A‡h․b Dcv‡q
B. wØ-wefvRb, gyKz‡jv`Mg I †h․b Dcv‡q STEP 08 ANALYSIS OF HSC BOARD QUESTION
C. cÖwZK‚j cwi‡e‡k eûwefvRb Øviv Cumilla Board
D. AbyK‚j cwi‡e‡k wØ-wefvRb Øviv Ans B
01. nvBWªvi †h․b Rb‡bi †ÿ‡Î wb‡¤œi †KvbwU mwVK? [Kz. †ev. 2019]
10. †Kvb Dw³wU mZ¨? [MAT. 93-94]
A. ¶zavZ© nvBWªv †cU fiv Ae¯vi PvB‡Z gši MwZ‡Z P‡j A. ¯úvg©v‡Uv‡Mvwbqv  ¯úvg©vwUW  ¯úvg©v‡UvmvBU  ïµvYy
B. ¶zavZ© nvBWªv †cU fiv Ae¯vi PvB‡Z `ªæZ MwZ‡Z P‡j| B. cÖwZKzj cwi‡e‡k msNwUZ nq
C. ¶zavZ© wKsev †cU fiv Ae¯vq nvBWªvi MwZ‡Z †Kvb cv_©K¨ nq bv| C. cwiYZ wW¤^vYyi Pviw`‡K KvBwU‡bi AveiYx _v‡K
D. †KvbwUB bq| Ans B D. ¯^-wb‡lK N‡U Ans B

 GK bR‡i nvBWªv- nvBWªvi Dc`ªe †_‡K evuPvi QK:

evwn¨K MVb Af¨šÍixY MVb Lv`¨ MÖnY, cwicvK I Pjb cÖRbb
 †`n Aixq cÖwZmg  †`‡ni †K›`ª¯‡ji MnŸi wm‡j‡›Uib ev  Hydra gvsmvkx cÖvYx|  Hydra †h․b I A‡h․b GB `yB
 •`N©¨ 10-30 wg.wg., PIov 1wgwg. M¨v‡÷ªvfvmKzjvi MnŸi|  jvf©v, Cyclops, Daphnia bvgK cÖwµqvq esk e„w× K‡i|
 Hydra vulgaris cÖvq eY©nxb (AvRgj)  wm‡j‡›Uib wN‡i †`ncÖvPxi|  A‡h․b Rbb `yB cÖKvi h_vÑ
µv÷vmxq mwÜc`x (Arthropoda), †QvU
gyKz‡jv`Mg I wefvRb
 Hydra'i †`n‡K cÖavbZ 3wU As‡k fvM  †`ncÖvPxi wدÍix-evB‡ii ¯Íi GwcWvwg©m, K…wg, BZ¨vw` Hydra i Lv`¨|
†fZ‡ii ¯Íi M¨v‡÷ªvWvwg©m, `yB ¯Í‡ii gv‡S gyKz‡jv`Mg: nvBWªvi mvaviY I
Kiv hvq nvB‡cv‡÷vg, †`nKvÛ, c`Zj|  Hydra'i cÖavb Lv`¨ ¶z`ª µv÷vmxq mwÜc`x| ¯^vfvweK A‡h․b cÖwµqv|
_v‡K A‡Kvlxq †g‡mvwMøqv|
 nvB‡cv÷vg: Gi P~ovq e„ËvKvi gyLwQ`ª Lv`¨MÖnY c×wZ: c`Zj wfwËi mvnv‡h¨ AvU‡K avcmg~n:
 GwcWvwg©‡mi †Kvl mg~n:
Aew¯Z| i) cÖe„w× MVb
1| †ckx AveiYx †Kvl: ewntZ¡‡Ki mgMÖ Ask Kwl©Kv fvmvq|
 gyLwQ`ªc‡_ Lv`¨M„nxZ I AcvP¨ Ask ii) gyKzj m„wó
Ry‡o Ae¯vb|  †bgv‡Uvwm÷ wb‡¶c
ewn®‥…Z nq| iii) wewfbœ A½ cÖZ¨½ m„wó
KvR: AveiY, †ckxi gZ KvR, †`n wcw”Qj  fj‡f›U †bgv‡Uvwm÷ wkKv‡ii MwZ‡iva K‡i, iv) wew”Qbœ nIqv I ¯^vaxbfv‡e
 †`nKvÛ: †`nKv‡Ûi Ask¸wj wbgœiƒc iv‡L, †bgv‡Uvwm÷ enb| MøywUb¨v›U AvVv‡jv im ¶iY K‡i, w÷‡bvwUj emevm
K) Kwl©Kv: msL¨v: 6-10wU (AvRgj), 2| B›Uviw÷wkqvj †Kvl: cybiærcwË I gyKzj wnc‡bvUw·b cÖ‡ek Kwi‡q wkKvi‡K Aek wefvRb: ¯^vfvweK c×wZ bq| •`evr
 Kwl©Kvi ewntcÖvPx‡i †bgv‡Uvwm÷ e¨vUvix m„wó‡Z Ask †bq| msNwUZ nq| nvBWªvi ¯^vfvweK
K‡i|
_v‡K|  cÖ‡qvR‡b †h‡Kvb ewnZ¡Kxq †Kv‡l cwiYZ g„Zz¨ †bB| wefvRb `yB fv‡e nq
KvR: Lv`¨ msMÖn, Pjb, AvZ¥i¶v|  gyLwQ`ª w`‡q Lv`¨ wm‡j‡›Ui‡b †c․Qvq
n‡Z cv‡i| AbycÖ¯ I Aby‣`N©¨ wefvRb|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
370 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

L) gyKzj: MÖx®§Kv‡j, AbyK‚j cwi‡e‡k, 3| mœvqy‡Kvl: †g‡mvwMøqv †Nu‡l Ae¯vb| mœvqy  Lv`¨ cwicvK cÖYvjx: †h․bRbb: B›Uviw÷wkqvj †Kvl
¯^vfvweK A‡h․b cÖwµqvq †`‡ni ga¨eZ©x DÏxcbv †`‡ni wewfbœ Ask mieivn K‡i| cwicvK `yB av‡c m¤úbœ  ïµvYy gvZ…‡Kvl 
AÂj n‡Z gyKzj m„wó nq| 4| ms‡e`x †Kvl: AvZ¥i¶v, evm¯vb, mœvqy 1| ewnt‡Kvlxq cwicvK:
KvR: bZzb Hydra m`m¨ m„wó| DÏxcbv †`‡ni wewfbœ As‡k mieivn K‡i|  wm‡j‡›Ui‡b N‡U ¯úvg©v‡Uv‡Mvwbqv 
M) Rbbv½: †ngšÍ I kxZKv‡j †`nKv‡Ûi 5| MÖwš’ †Kvl: gyLwQ‡`ªi Pvwiw`‡K I c`Z‡j  GbRvB‡gi cÖfv‡e wkKv‡ii g„Zz¨ N‡U| ¯úvg©v‡UvmvBU  ¯úvg©vwUW
Dc‡ii Aa©vsk n‡Z †gvPvKvi ïµvkq Ges Aew¯Z|  Lv`¨ ¶z`ªKiY  GbRvB‡gi mv‡_ wgwkªZ  ïµvYy  wb‡lK
wb‡Pi Aa©vsk n‡Z †MvjvKvi wW¤^vkq m„wó †j‡M _vK‡Z, fvm‡Z, Pj‡b, MjvatKi‡b  †cÖvwUb cwj‡cUvB‡W cwiYZ Ges wjwcW
nq| +
mvnv‡h¨ K‡i| AcwiewZ©Z|
KvR: †h․b Rb‡b Ask †bq| 6| Rbb †Kvl: †h․b Rb‡b Ask †bq| 2| AšÍt‡Kvlxq cwicvK t wm‡j‡›Ui‡b AvswkK wW¤^ vYy (n)
N) e„šÍ: †`nKvÛ I cv`PvKwZ‡K mshy³ 7| wb‡WvmvBU: wb‡WvmvB‡Ui Ask mg~nÑ cvwPZ Lv`¨ KYvi Av‡iv ¶z`ªKiY  ¶Yc`
K‡i| AveiY, †bgv‡Uvwm÷ (wnc‡bvUw·b bvgK d¨v‡MvmvB‡Uvwmm NUvq  Lv`¨MnŸi wbtm„Z DIwUW RvB‡MvU
cv`PvKwZ/c`Zj: †`nKv‡Ûi wbgœcÖv‡šÍ welv³ Zi‡j c~Y©, †Mvov‡K evU e‡j, 3wU GbRvBg Øviv Lv`¨ cwicvK nq
Aew¯Z|  (n) (2n)
KvUvi gZ eve© I mwc©j evwe©Dj _v‡K),  Lv`¨MnŸ‡ii gv‡a¨ †cÖvwUb A¨vgvB‡bv Gwm‡W
KvR: i) cv`PvKwZ wbtm„Z i‡mi mvnv‡h¨ AcviKzjvg (XvKwb), †ckxmg~n (j¨v‡mv Ges †mœn d¨vwU GwmW I wMømvi‡j cwiYZ nq| DImvBU 
ii) ey`ey` m„wó K‡i cÖvYx‡K fvwm‡q ivL‡Z bvgK m~Î)  (2n) giæjv
cwi‡kvlY:
mvnvh¨ K‡i|  M¨v‡÷ªvWvwg©‡mi †Kvl mg~n  Lv`¨ †ckx AveiYx †Kv‡li mvB‡UvcøvR‡g DI‡Mvwbqv 
iii) G‡`i ¶bc` MVbKvix †Kv‡li mvnv‡h¨ 1| cywó †Kvl / †ckx AveiYx †kvwlZ nq|  (2n) eø v ÷z jv
MøvBwWs Pjb m¤úbœ nq| †Kvl: 2 cÖKvi-d¬v‡Rjxq †Kvl I ¶Yc`xq  cvwb gyLwQ‡`ªi gva¨‡g †ei n‡q hvq|
†Kvl| wW¤^vYy gvZ…‡Kvl 
BwZnvm Pjb
 Hydra'i cÖK…Z Avwe®‥viK Aveªvnvg KvR: †ckx ms‡KvPb cÖmviY, wùsUvi Gi Hydra'q wbgœewY©Z wewfbœ ai‡Yi Pjb †`Lv  (2n)
M¨v÷zªyjv
†Uª¤^‡j| KvR, Lv`¨¶z ` ª KYvi cwiYZ, gy LwQ`ª c‡_ hvqÑ B›Uviw÷wkqvj 
 wjwbqvm Gi bvg †`b| cvwb cÖ‡ek, Lv`¨ MjvatKiY I AšÍt¯  jywcs ev dvmv Pjb †Kvl nvBWªyjv
 nvBWªv GKwU eûg¯ÍK wewkó KvíwbK cwicvK|  mgvimwës ev wWMevwR
2| MÖwš’‡Kvl: 2 iKg-wgDKvm wbtmvix I  MøvBwWs ev A¨vwge‡qW Pjb ev cv` PvKwZi 
•`‡Z¨i bvg (MÖxK cyiv‡Yi)
c~Y©v½ nvBWªv
 •`‡Z¨i gv_v KvU‡j Zvi e`‡j `yB ev GbRvBg wbtmvix mvnv‡h¨ Pjb
Z‡ZvwaK gv_v MRv‡Zv| KvR: wgDKvm-Lv`¨ wcw”Qj K‡i  fvmv
 muvZvi  24-48 N›Uvi g‡a¨ wW¤^vYy‡K
 RxweZ GKwU Hydra AvovAvwofv‡e `yB GbRvBg- Lv`¨ cwicvK K‡i
ev Z‡ZvwaK fv‡M fvM Ki‡j cÖ‡Z¨K 3| B›Uviw÷wkqvj †Kvl: Ab¨ †h †Kvb †Kvl  nvgv¸wo ev Crawling wbwl³ Ki‡Z bv cvi‡j wW¤^vYy
UzKiv †_‡K GKwU bZzb Hydra m„wó n‡Z MVb K‡i|  nuvUv ev bZgyLx Pjb webó n‡q hvq|
†`Lv hvq| bZzb nvBWªv¸‡jv gvZ… nvBWªv 4| mœvqy‡Kvl: mœvqy DÏxcbv mieivn K‡i|  †`‡ni ms‡KvPb cÖmviY  eøv÷zjvi †Kvl eøv‡÷vwgqvi,
A‡c¶v AvKv‡i †QvU nq| G‡KKwU UzKiv 5| ms‡e`x: Lv`¨ I Ab¨vb¨ c`v_© hv wm‡j‡›Uib  Av‡ivnb ev Climbing †K‡›`ªi duvKv MnŸi eøv‡÷vwmj
hw` 0.004 wg.wg. e¨v‡miI nq Ges hw` Øviv cÖ‡ek K‡i Zv hvPvB K‡i|
GwcWvwg©m I M¨v‡÷ªvWvwg©m A¶zbœ _v‡K †g‡mvwMøqv: 0.1m e¨vmwewkó, A‡Kvlxq ¯Íi  gvZ…‡`‡ni mv‡_ mshy³ M¨v÷yjv‡K
Zvn‡j I GKwU c~Y©v½ m`m¨ cybM©wVZ n‡Z KvR: ewn I AšÍtZ¡‡Ki wfwËwSjøx, †ckx †÷wiI M¨v÷zªjv e‡j|
†`Lv hvq| cÖea©‡bi mshyw³ Zj wn‡m‡e KvR K‡i|
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi, nvmvb m¨vi)

 GK bR‡i wKQzÿY  V.V.I DATA AT A GLANCE  g‡b ivL mvivÿY 

 wewfbœ cÖvYxi g‡a¨ nvBWªv eû‡Kvlx cÖvYx n‡jI †`‡n †Kv‡bv Kjv ev A½Zš¿ †bB|  nvBWªvi Lv`¨ MÖn‡bi cÖavbZg A½ n‡jv Kwl©Kv I †bgv‡Uvwm÷ †Kvlmg~n|
 c~Yv©½ `kvq nvBWªv cwjc RvZxq cÖvYx| G‡`i cÖ_‡g Zoophyta ejv nZ|  nvBWªv †h․b Rbb cÖwµqvq eske„w×i Rb¨ ïµvYy I wW¤^vYy •Zwi K‡i|
 1702 wLª÷‡ã A¨v›Uwb f¨vb wjD‡qbûK me©cÖ_g Hydra Gi eY©bv cÖ`vb K‡ib|  nvBWªvi ewntZ¡‡Ki me©Î jvwUg AvK…wZi we‡kl •ewkó¨m¤úbœ †h †Kvl¸‡jv
 †Uª¤^‡j Zuvi M‡elYvK‡j g¯ÍK AÂj‡K j¤^vjw¤^fv‡e wef³ Ki‡j 7 †`Lv hvq Zv wb‡WvmvBU †Kvl|
g¯ÍKwewkó Hydra R‡¤§|  cÖwZwU wb‡WvmvBU wدÍix AveiY Øviv Ave„Z|
 G‡±vWv‡g©i B›Uviw÷wkqvj †Kvl †_‡K kyµvkq I wW¤^vkq m„wó nq|  †Kv‡li Af¨šÍi¯ MnŸi I m~ÎKhy³ _‡jwU †bgv‡Uvwm÷|
 Hydra Gi cywó ci‡fvRx/n‡jv‡RvwqK ai‡bi|
 †bgv‡Uvwm÷ MnŸiwU Avwgl I †db‡ji mgš^‡q MwVZ welv³ Zij
 n‡jvRwqK cywó chv©qµwgK cvuPwU av‡ci gva¨‡g m¤úbœ nq| Lv`¨ MÖnY,
wnc‡bvUw·b Øviv c~Y© _v‡K|
cwicvK, cwi‡kvlY, AvËxKiY I AcvP¨ Lv`¨vs‡ki †`n †_‡K ewn®‥iY|
 nvBWªvi `yB ¯Í‡ii gv‡S †`Lv hvq- †g‡mvwMøqv|
 MøyUvw_Ib bvgK ivmvqwbK c`v_© mg„× Lv`¨ Hydra-Gi AwaK wcÖq|
 gv‡qvwbg †`Lv hvq- †cwk AveiYx †Kv‡l|
 gyKz‡jv`Mg c×wZ m¤úbœ n‡Z cÖvq 3 mßvn mgq jv‡M|
 †h․b cÖRbb mvaviYZ cÖwZKyj cwi‡e‡k- MÖx®§, kxZ, I emšÍKv‡j N‡U|  nvBWªvi wb‡WvmvBU me‡P‡q †ewk _v‡K- Kwl©Kvq|
 Hydra Gi wb‡lK‡K AšÍtwb‡lK ejv nq|  †bgv‡Uvwm‡÷i wb¤œcvÖ ‡šÍ 1wU †cuPv‡bv myZvi g‡Zv Ask‡K ejv nq- j¨v‡mv|
 ¯^vfvweK Ae¯vq †bgv‡Uvwm‡÷i m~ÎK I _wj †h XvKbv w`‡q Ave„Z _v‡K,  nvBWªvi Lv`¨- Crustacea RvZxq ÿz`ªvKvi Av‡_ª©v‡cvWv cÖvYx, gv‡Qi wWg,
ZvB AcviKzjvg| †QvU †QvU K…wg, ÿz`ª cZ½, KxUcZ‡½i jvf©v, iwUdvi BZ¨vw`|
 wb‡WvmvBU †Kv‡li gy³ cÖv‡šÍi k³, `„p, ms‡e`bkxj KuvUvwU wb‡Wvwmj|  wg‡_vRxex cÖRvwZ- Chlorohydra viridissima I meyR •kevj|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi cwiwPwZ 371

2.2 Nvmdwos [Grasshopper]

wK coe? †Kb coe? SURVEY TABLE KZUzKz coe? wKfv‡e coe?

MAGNETIC DECISION MAKING DECISION [†h Kvi‡Y co‡e] VVI For This Year
CONCEPT NO [hv co‡e] DU JU RU CU GST MAT DAT HSC WRITTEN MCQ
CONCEPT-01 MVb I •ewkó¨ 10% 10% 10% 10% 10% 20% 10% 30%  
CONCEPT-02 •RweK Kvh©Kjvc 20% 20% 20% 20% 40% 20% 10% 60%  
CONCEPT-03 ms‡e`x A½ 10% 10% 10% 10% 10% 10% 10% 40%  
CONCEPT-04 cÖRbb cÖwµqv I iƒcvšÍi 10% 10% 10% 10% 10% 10% 10% 60%  
DU = Dhaka University, JU = Jahangirnagar University, RU = Rajshahi University, CU = Chittagong University,
GST = General University/Science & Technology University, MAT = Medical Admission Test, DAT = Dental Admission Test

CONCEPT 01 MVb I •ewkó¨

 ITEM 01 cÖv_wgK K_v

 •ewkó¨:
 c„w_ex‡Z cÖvq 10,000 ev 20,000 cÖRvwZi Nvmdwos Av‡Q|
 evsjv‡`‡k 20 cÖRvwZi Nvmdwos cvIqv hvq| Nvmdwos Z…Y‡fvRx ev
 Z…Yf~wg, evwieb, PviYf~wg, gvV, giæf~wg, Rjvf~wg‡Z evm K‡i| kvKvmx (Herbivorous)
cÖvYx| Giv ¯^v`y cvwb I
 evsjv‡`‡k me‡P‡q AwaK †`Lv hvq Oxya chinensis Thunberg.
g¨vb‡MÖvf Rjvk‡q Kg
 A‡bK cÖRvwZ Av‡Q hviv `je× GK ¯vb †_‡K Ab¨¯v‡b Mgb K‡i| G‡`i‡K c½cvj e‡j|
emevm K‡i|
 †kÖYxweb¨vm:
Phylum: Arthropoda (mwÜc`x, KvBwUbwbwg©Z ewntK¼vj)
Class : Insecta (wZb‡Rvov mwÜhy³ c`)
Subclass : Pterygota (Wvbv wewkó cZ½)
Order : Orthoptera (`yÕ‡Rvov Wvbvwewkó)
Family : Acrididae (Lv‡Uv A¨v‡›Ubv)
Genus : Poekilocerus
Species : Poekilocerus pictus
(Ref: AvRgj m¨vi, Avjxg m¨vi)

 ITEM 02 evwn¨K MVb

Nvmdwos-Gi mviv‡`n KvBwUbhy³ wKDwUKj G Ave„Z| ewntK¼vj
nvB‡cvWvwg©m wbtm„Z c`v‡_© m„ó Ges cÖ‡Z¨K †`nLЇK †¯‥¬ivB‡Ui KwVb
†cø‡Ui g‡Zv MVb •Zwi nq| †¯‥¬ivB‡Ui ms‡hvM¯‡j m~Pvi bv‡g cvZjv
big wSwjø‡Z Ave„Z| m~Pv‡ii Rb¨ †`nLÐK I Dcv½¸‡jv mn‡RB
bovPov Ki‡Z cv‡i| wKDwUK‡ji wfZ‡i I wb‡P wcM‡g›U _vKvq
Nvmdwos-Gi eY©gqZv †`Lv hvq|
 GKbR‡i evwn¨K MVb:
evwn¨K MVb

g¯ÍK eÿ D`i
6wU åƒYxq LÛ _v‡K UvM©vg‡K †cÖv‡bvUvg e‡j 11wU L‡Û wef³ _v‡K
ewnt¯ K¼vj (d«Ý, †Rbv, fv‡U©·, K¬vBwcqvm) c„óxq †¯‥¬ivBU-UvM©vg, A¼xq †¯‥¬ivBU- wU‡¤úbvg (kÖeY _wj)
1 †Rvov cyÄvw¶ _v‡K ÷vb©vg, cvk¦x©q †¯‥¬ivBU-wcøDib k¦vmiÜ« (1g †_‡K 8g LÛ ch©šÍ)
3 wU mijvwÿ ev I‡mwj _v‡K k¦vmiÜ«, cv (K·v, †UªvK¨v›Uvi, wdgvi, cvqy I RbbA½vw` (9g I 10g
1 †Rvov A¨v‡›Ubv _v‡K [†¯‥c, †cwW‡mj wUweqv I Uvmv©m), Wvbv (mvg‡bi WvbvÑ LÛ‡K Aew¯Z), IwfcwRUi (8g
I d¬v‡Rjvg (25wU L‡Û wef³)] GwjUªv/†UMwgbv, ïay †cQ‡bi Wvbv I 9g LЇZ Aew¯Z)
gy‡Lvcv½ (g¨vwÛey‡jU) Do‡Z mnvqZv K‡i)|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
372 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

 Nvmdwos-Gi gy‡Lvcv‡½i wewfbœ Ask:

bvg ¸iæZ¡c~Y© Z_¨
Dc‡ii Iô MVb K‡i, g¨vwÛe‡ji w`‡K Lvevi †V‡j w`‡Z I ¯^v` wb‡Z
j¨veªvg
mvnvh¨ K‡i
g¨vwÛej Kiv‡Zi g‡Zv `uvZhy³ 2wU Dcv‡½i bvg g¨vwÛej ev †Pvqvj
4wU As‡k wef³- Kv‡W©v, ÷vBcm, j¨vwmwbqv, M¨vwjqv| g¨vw·jvwi cví 5
g¨vw·jv Ask wewkó hv A¨v‡›Ubv I cv‡qi AMÖfvM cwi®‥vi K‡i| Lv`¨e¯‧ niY
cÖwZ‡iva K‡i Ges ms‡e`x A½ wn‡m‡e KvR K‡i| ¯^v` MÖnY, Lv`¨ P‚Y©KiY
2wU (†g›Uvg, mve‡g›Uvg) Ask j¨vweqvj cví 3 LÛ wewkó| GwU Lvevi
j¨vweqvg (AatIô)
dm‡K hvIqv †iva K‡i, ms‡e`x A½ I Dchy³ Lv`¨ wbev©Pb K‡i
nvB‡cv d¨vwis· Aci bvg DcwRnŸv hv Lv`¨e¯‧‡K bovPov K‡i jvjvi mv‡_ †gkvq
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi, nvmvb m¨vi)

SAQ BAQ
Short Ans Question WRITTEN SUGGESTION Broad Ans Question

 c½cvj ej‡Z Kx eyS?

DËi: †hme Nvmdwos AwfcÖqv‡b mÿg Ges `je×fv‡e wePiY K‡i ZvivB c½cvj|
 Nvmdwos Gi g¯Í‡Ki MVb wjL?
DËi: Nvmdwos g¯ÍK 6 LÐ wewkó: 1 †Rvov cyÄvwÿ, 3wU mijvwÿ ev I‡mwj, 1 †Rvov A¨v‡›Ubv I gy‡Lvcv½|
 g¨vw·jvi Ask¸‡jvi bvg I KvR wjL?
DËi: cÖwZwU g¨vw·jv Kv‡W©v, ÷vBcm, j¨vwmwbqv Ges M¨vwjqv Øviv MwVZ| g¨vw·jv Lv`¨ ai‡Z, gy‡L cÖ‡ek Kiv‡Z, ¯^v` MÖnY Ki‡Z Ges A¨v‡›Ubv I cv
cwi®‥vi Ki‡Z mvnv‡h¨ K‡i Ges ms‡e`x A½ wn‡m‡e KvR K‡i|

REAL TEST  ANALYSIS OF PREVIOUS YEAR QUESTIONS

STEP 01 ANALYSIS OF DU QUESTION 04. Nvmdwos Gi eÿv‡ji c„ô‡`k Kx Øviv MwVZ? [JU-D, Set-F. 20-21]
A. wcøDib B. UvM©vg
01. †Kvb Dcv½wU Nvm dwos Lv`¨ KZ©‡b e¨envi K‡i? [DU.17-18]
C. ÷vb©vg D. ¯úvBivKj
A. j¨veªvg B. g¨vwÛej C. g¨vw·jv D. nvB‡cvd¨vwism
Ans B Why Nvmdwos Gi †`n KvBwUbgq wKDwUKj w`‡q Ave„Z _v‡K|
Ans B Why nvBWªvi gy‡Lvcv‡½i wewfbœ As‡ki KvR:
GB Av¯Íib‡K †¯‥¬ivBU e‡j| c„ôxq †¯‥¬ivBU‡K UvMv©g e‡j| AsKxq †¯‥¬ivBU‡K
 j¨veªvg: g¨vwÛe‡ji w`‡K †V‡j w`‡Z I ¯^v` wb‡Z mvnvh¨ K‡i| ÷vb©vg e‡j| cvk¦©xq †¯‥¬ivBU‡K wcøDib e‡j| D`‡i wcøDib _v‡K bv|
 nvB‡cvd¨vwis·: Lv`¨e¯‧‡K bvovPvov K‡i jvjvi mv‡_ †gkv‡Z mvnvh¨ K‡i| 05. Nvmdwos-Gi gy‡Lvcv½-g¨vw·jvi Ask bq †KvbwU? [JU: Unit-D; Set-M;19-20]
 g¨vwÛej: Lv`¨ †K‡U wPev‡bvq mvnvh¨ K‡i| A. †Møvmv B. M¨vwjqv C. j¨vwmwbqv D. ÷vBcm
Ans A Why g¨vw·jv K‡qKwU L‡Ð wef³| me‡P‡q †Mvovi LÐwU‡K
STEP 02 ANALYSIS OF JU QUESTION Kv‡W©v I Gici Aew¯Z LÐK‡K ÷vBcm e‡j| ÷vBc‡mi AMÖfv‡M b‡Li
01. Nvmdwos Gi j¨vweqvj cv‡íi KvR †KvbwU? [JU-D, Set-G. 20-21] g‡Zv j¨vwmwbqv I XvKwbi g‡Zv M¨vwjqv bvgK `ywU LÐ cvkvcvwk Ae¯vb
A. Lv‡`¨i ¯^v` MÖnY Kiv B. Lv`¨ P‚Y©-weP‚Y© Kiv K‡i| M¨vwjqvi cv‡k cuvP Askwewkó g¨vw·jvwi cví i‡q‡Q|
C. Lv`¨ wbe©vPb Kiv D. ms‡e`x A½ wnmv‡e KvR Kiv 06. Lv‡Uv A¨v‡›Ubvhy³ Nvmdwos †Kvb †Mv‡Îi AšÍfz©³? [JU: Unit-D; Set-I;19-20]
Ans C Why g¨vw·jvwi cví A¨v‡›Ubv I cv‡qi AMÖfvM cwi¯‥v‡i Ask A. Acrididae B. Pieridae
†bq, Lv`¨e¯‧ niY cÖwZ‡iva K‡i| C. Gomphidae D. Nymphalidae
02. Nvmdwos Gi A¨v‡›Ubvi d¬v‡Rjvg KqwU LÛ‡K wef³? [JU-D, Set-D. 20-21] Ans A Wh y Nvmdwos Gi †kÖ YxZvwË¡ K Ae¯’vb:
A. 26 B. 25 C. 24 D. 22 Phylum: Arthropoda (mwÜc`x, KvBwUbwbwg©Z ewntm¼vj)
Class : Insecta (wZb‡Rvov mwÜhy³ c`)
Ans B Why †¯‥c, †cwW‡mj I d¬v‡Rjvg-G wZbwU Ask wb‡q cÖ‡Z¨K
Subclass : Pterygota (Wvbvwewkó cZ½)
A¨v‡›Ubv MwVZ| †cwW‡mj Lv‡Uv I Awef³| d¬v‡Rjvg †ek j¤^v I cÖvq
Order : Orthoptera (`yÕ‡Rvovwewkó cZ½)
25wU LЇK wef³|
Family : Acrididae (Lv‡Uv A¨v‡›Ubv)
03. Nvmdwos Gi cÖwZwU †`nLÛ‡K Kx e‡j? [JU-D, Set-A. 20-21]
Genus : Poekilocerus
A. wKDwUKj B. nvB‡cvWvwg©m C. †¯‥¬ivBU D. m~Pvi Species : Poekilocerus pictus
Ans C Why Nvmdwos-Gi mviv‡`n KvBwUbhy³ wKDwUKj G Ave„Z| 07. Nvmdwos-Gi †¯‥¬ivBU¸wji ms‡hvM¯’j wK Øviv Ave„Z?
ewntK¼vj nvB‡cvWvwg©m wbtm„Z c`v‡_© m„ó Ges cÖ‡Z¨K †`nLЇK [JU: Unit-D; Set-A/B,19-20]
†¯‥¬ivB‡Ui KwVb †cø‡Ui g‡Zv MVb •Zwi nq| †¯‥¬ivB‡Ui ms‡hvM¯‡j m~Pvi A. †Rbv B. d«Ý C. m~Pvi D. K¬vBwcqvm
bv‡g cvZjv big wSwjø‡Z Ave„Z| m~Pv‡ii Rb¨ †`nLÐK I Dcv½¸‡jv Ans C Why Nvmdwos Gi MVb:
mn‡RB bovPov Ki‡Z cv‡i| wKDwUK‡ji wfZ‡i I wb‡P wcM‡g›U _vKvq  fv‡U©·, d«Ý, †Rbv, K¬vBwcqvm Nvmdwos‡qi g¯Í‡Ki ewnt¯ K¼v‡ji Ask|
Nvmdwos-Gi eY©gqZv †`Lv hvq|  m~Pv‡ii Rb¨ †`nLÐK I Dcv½¸‡jv mn‡RB bovPov Ki‡Z cv‡i|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi cwiwPwZ 373

STEP 03 ANALYSIS OF RU QUESTION PART B Analysis of Science & Technology Question

01. Nvmdwos Gi D`i KZ L‡Û wef³? [RU:SG-1,18-19] MBSTU
A. 6 B. 8 01. †KvbwU Nvmdwos Gi e‡ÿi Ask bq? [MBSTU: Unit-B, 19-20]
C. 3 D. 11 Ans D A. Prothorax B. Pronotum C. Mesothorax D. Metathorax
02. Nvmdwos Gi d¬v‡Rjvg KqwU L‡Û wef³? [RU: SG-2,18-19] Ans B Why Nvmdwos Gi e‡ÿi cÖavb wZbwU Ask:
A. 30-35 wU B. 25-30 wU (i) Prothorax- AMÖeÿ (ii) Mesothorax- ga¨eÿ
C. 26-32 wU D. 20-25 wU Ans D (iii) Metathorax- cðvreÿ
03. Avi‡kvjvi †Kvb †Kvl †_‡K †gvg ¶wiZ nq? [RU.17-18]  Pronotum n‡”Q AMÖe‡ÿi UvM©vg Ask|
A. G‡ÛvmvBU B. nvB‡cvmvBU
STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION
C. g‡bvmvBU D. B‡bvmvBU Ans D
MAT
04. Avi‡kvjvi ¯¿x Rbb iÜ« †Kvb LÛ‡K cvIqv hvq? [RU.17-18]
01. †Kvb&wU Nvm dwos-Gi g¯Í‡Ki ewntK¼v‡ji Ask bq? [MAT. 16-17]
A. 6ô B. 7g
A. †Rbv B. Gwc‡µwbqvg
C. 8g D. 9g Ans C
C. I‡mwj D. fv‡U©· Ans C
05. Nvmdwos Gi †`‡ni c„ôxq †`‡ki †Lvj‡mi bvg? [RU.16-17]
02. Nvmdwos Gi AMÖfv‡Mi miæ I k³ WvbvØq‡K wK e‡j? [MAT. 15-16]
A. UvM©vg B. ÷vb©vg A. ÷vibvg B. Uvimvm
C. wcøDiY D. †cÖvbvUvg Ans A C. UªKv›Uvi D. †UMwgbv Ans D

STEP 04 ANALYSIS OF CU QUESTION DAT

01. evsjv‡`‡k mÜvbcÖvß Nvmdwos‡qi cÖRvwZi msL¨v KZ? [DAT.18-19]
01. Nvm dwos Gi j¨veªvg gvby‡li †Kvb As‡ki mgZzj¨? [CU.18-19]
A. `yB nvRviwU B. wekwU
A. gyL B. wRnŸv
C. wek nvRviwU D. `yB kZwU Ans B
C. Dc‡ii †VvuU D. bx‡Pi †VvuU Ans C
02. Nvm dwos Gi kixiwU my¯úófv‡e wef³ nq- [CU.17-18]
A. gv_v, e¶ Ges D`‡i B. †cÖv‡mvgv Ges Awcm‡_v‡mvgvq
STEP 08 ANALYSIS OF HSC BOARD QUESTION
C. wk‡ive¶ Ges D`‡i D. †cÖv‡mvgv Ges wk‡ive‡¶ Ans A Dhaka Board
03. cZ‡½i cv‡q Coxa Gi c‡i †Kvb Ask? [CU.15-16]
01. Nvmdwos Gi gv_vq †¯‥¬ i vBU †KvbwU? [XvKv †ev. 2019]

A. Claw B. Arolium A. fv‡U©· B. ÷vibvg

C. Trochanter D. Tibia E. Femur Ans C
C. UviMvg D. j¨vweqvg Ans A

Chattogram Board
STEP 06 ANALYSIS OF GST QUESTION 01. Nvmdwos Gi cv‡qi MV‡bi mwVK µg n‡jvÑ [P.†ev-2021]
PART A Analysis of General University Question A.K·v†UªvK¨v›UviwdgviwUweqvUvm©vm
CoU B. †UªvK¨v›UviwdgviwUweqvK·v Uvm©vm
01. Nvm dwos Gi g¯Í‡Ki c„ô‡`‡k w·KvYvKvi AskwUi bvg Kx? [CoU: A. 19-20] C. K·v wdgvi  †UªvK¨v›Uvi wUweqvUvm©vm
A. fv‡U©· B. d«Ý D. †UªvK¨v›Uvi  K·v wdgvi Uvm©vm  wUweqv Ans A
C. †Rbv D. K¬vBwcqvm Dinajpur Board
Ans A Why Nvmdwos-Gi ewnt¯’ K¼v‡ji wewfbœ As‡ki AvK…wZ: 01. wb‡Pi †Kvb cÖvYxwU c½cvjf‚³? [w`.†ev-2021]
As‡ki bvg AvK…wZ A. cÖRvcwZ B. †g․gvwQ
fv‡U©· w·KvYvKvi C. dwos D. Nvmdwos Ans D
†Rbv `yB cv‡k Ae¯vb K‡i 02. †KvbwU Nvmdwos Gi cv‡qi Ask? [w`. †ev. 2019]
d«Ý PIov A. GwjUªv B. †UMwgbv
C. K·v D. mvwK© Ans C
K¬vBwcqvm AvqZKvi †cø‡Ui g‡Zv
03. wb‡Pi †KvbwU Grasshopper Gi g¯Í‡Ki ewntK¼v‡ji Ask? [w`.†ev. 2017]
BU A. d¬v‡Rjvg B. †cwW‡mj
01. Nvmdwos Gi gy‡Lvcv‡½i Ask bq- [BU.17-18] C. †¯‥c D. d«Ý Ans D
A. j¨veªvg B. g¨vwÛej Barisal Board
C. j¨vweqvg D. †UªvK¨v›Ui Ans D
01. Nvmdwos Gi †`n L‡Ûi KvBwUb wbwg©Z cyiæ I k³ c„ôxq cvZ‡K e‡jÑ
02. Avi‡kvjvi gy‡Lvcv‡½i Ask- [BU.17-18] [h. †ev. 2017]
A. wUg‡cbvg B. G·‡Uji A. cøyivBU B. †¯‥¬ivBU
C. nvB‡cvd¨vwis· D. Uvm©vm Ans C C. ÷vb©vBU D. UviMvBU Ans B
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
374 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

CONCEPT 02 •RweK Kvh©Kjvc

 ITEM 01 †c․wóKZš¿
Nvmdwos-Gi Lv`¨vf¨v‡mi mv‡_ †c․wóKZš¿ Awf‡hvwRZ Ges cÖavb `ywU Ask wb‡q MwVZÑ †c․wóKbvjx I †c․wóKMÖwš|

†c․wóKZš¿

†c․wóKbvjx †c․wóK MÖwš’

†÷v‡gvwWqvg / AMÖvš¿ †g‡m‡›UiY/ ga¨vš¿ †cÖv‡±vwWqvg/cðv`vš¿ jvjvMÖwš’ ga¨-†c․wóK bvjxi M¨vw÷ªK ev †ncvwUK
(jvjvim ÿiY) †`qv‡ji MÖwš’ (cvPKim ÿiY) MÖwš’ (cvPKim ÿiY)
gyLwQ`ª (wm‡ewiqv‡gi 6 †Rvov †ncvwUKwmKv ev
†Mvovq, Lv`¨ MÖnY K‡i) M¨vw÷ªKwmKv ev
Bwjqvg †Kvjb †iKUvg (†kvlY I cvqywQ`ª
†g‡m‡›UwiK wmKv _v‡K|
Mjwej wfjvB I g¨vjwcwRqvb (Lv`¨im †kvlY) (cvwbmn †kvlY) mvgwqK Rgv ivLv) (gj AcmviY)
bvjxKv Ae¯vb K‡i
MÖvmbvjx

µc (†gvPvKvi _wj)

wMRvW© ev †cÖv‡fw›UªKzjvm:
KvBwUbgq 2wU `uvZ _v‡K,
6wU Abyj¤^ fuvR _v‡K,
`uv‡Zi wcQ‡b Pzj I QqwU
c¨vW _v‡K|

wPÎ: Nvmdwos-Gi †c․wóKZš¿

 Lv`¨MÖnY I cwicvK:
 Nvmdwos‡qi †h gy‡Lvcv½, Zv ïay wPev‡bvi Kv‡R e¨eüZ nq e‡j, G‡`i Lv`¨ MÖnY‡K Pe©Y Ges gy‡Lvcv½‡K Pe©Y-Dc‡hvMx ev g¨vwÛey‡jU gy‡Lvcv½ e‡j|
 cwicvK: cÖvK‡gvwLK cÖ‡Kvô  jvjvim  kK©ivi Av`ª©we‡kølY  wMRvW©  †c÷  †g‡m›U‡ib  mij I Zij  cwi‡kvwaZ  wn‡gvwmj
(Ref: AvRgj m¨vi, Avjxg m¨vi)

 ITEM 02 i³ msenbZš¿

i‡³i c_ Abymv‡i cÖvYx‡`‡n `yÕai‡bi i³ msenbZš¿ †`Lv hvq: i. gy³ ev j¨vKzbvi (Nvmdwos, wPswo, cZ½, gjv¯‥v RvZxq cÖvYx) ii. e×msenb: A¨vwbwjW
RvZxq bb K‡W©U I K‡W©U cÖvYx‡`‡n| Nvmdwos-Gi ü`h‡š¿i ¯ú›`b cÖwZwgwb‡U 100-110 evi Ges mgMÖ‡`‡n i³cÖevn m¤úbœ n‡Z 30-60 wgwbU mgq jv‡M|

i³msenbZš¿

wn‡gvwmj ev wg‡·vwmj wn‡gvwjç ev i³ c„ôxq evwnKv

wewfbœ A½, i³ I jwmKv aviY K‡i wn‡gvwmj MnŸ‡i jwmKvi mv‡_ wg‡j hvq 6 †Rvov A¨vjvwi‡ckx _v‡K

†cwiKvwW©qvj †cwiwf‡mivj †cwiwbDivj i³im wn‡gvmvBU (WBC) A¨vIU©v ürhš¿

(ürhš¿ _v‡K) (†c․wóKZ‡š¿ _v‡K) (¯œvqy i¾y‡Z _v‡K) (15-60 nvRvi/mm3) (cÖ‡Kvô 7wU)
RBC I wn‡gv‡Møvwebwenxb
 Nvmdwos‡qi wn‡gvmvBU †giæ`Ûx cÖvwY‡`i †k¦Z i³KwYKvi mgms¯ Ges wn‡gvwm‡ji meLv‡b msewnZ nq| Giv †cÖvwn‡gvmvBU (23%), UªvbwRkbvj
wn‡gvmvBU (68%) I eo wn‡gvmvB‡U wef³ (9%)|
 wn‡gvwj‡çi pH 6-7 I Av‡cwÿK ¸iæZ¡ 1.01-1.06|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi cwiwPwZ 375

 i³ cÖev‡ni MwZc‡_i †iLv wPÎ:

†cwiKvwW©qvj mvBbvm ürwc‡Ði cÖmviY ürwcÐ

†cwiwf‡mivj mvBbvm ürwc‡Ði ms‡KvPb

†cwiwbDivj mvBbvm g¯ÍK AÂj c„ôxq agwb

 wm‡jvg I wn‡gvwm‡ji g‡a¨ cv_©K¨:
wm‡jvg wn‡gvwmj
cÖvYxi †`ncÖvPxi I †c․wóKbvjxi ga¨eZ©x wm‡jvwgK Zijc~Y© MnŸi‡K wm‡jvg e‡j| cÖvYxi †`ncÖvPxi I †c․wóKbvjxi ga¨eZ©x i³c~Y© MnŸi‡K wn‡gvwmj e‡j|
wm‡jvg †`‡ni †Kvb A½ ev Dcv‡½ cÖmvwiZ nq bv| wn‡gvwmj †`‡ni mKj Dcv‡½ cÖmvwiZ nq|
wm‡jvg i³ msenbZ‡š¿i Ask MVb K‡i bv| wn‡gvwmj i³ msenbZ‡š¿i Ask MVb K‡i|
wm‡jv‡g cywó c`v_© cwievwnZ nq bv| wn‡gvwm‡j cywó c`v_© cwievwnZ nq|
A¨vwbwjWvmn KWv©Uv c‡e©i cÖvYx‡Z wm‡jvg cvIqv hvq| Av‡_©ªv‡cvWv I gjv¯‥v c‡e©i cÖvYx‡Z wn‡gvwmj cvIqv hvq|
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi)

 ITEM 03 k¦mbZš¿
k¦mb m¤úv`‡bi Rb¨ UªvwKqv I Gi kvLv-cÖkvLv¸‡jv ci¯ú‡ii mv‡_ wgwjZ n‡q Nvmdwos-G †h we‡kl ai‡bi k¦mbZš¿ m„wó K‡i‡Q, Zvi bvg UªvwKqvjZš¿|

k¦mbZš¿

¯úvBivKj ev k¦vmiÜ« UªvwKqv ev k¦vmbvjx UªvwKIj †Kvl ev cÖvšÍxq †Kvl evqy_wj UªvwKIj
 `k †Rvov _v‡K  g~j k¦mb A½  cÖvPxi Bw›Ugv I wUwbwWqvwenxb  Bw›Ugvwenxb I  UªvwKqvi my²bvjx hv‡`i
 `yB †Rvov eÿxq A‡j  †`qvj 3 ¯Íi wewkóÑ wfwË wSwjø,  wUmy¨im _v‡K hvi gva¨‡g cvZjv MnŸ‡i UªvwKIj im _v‡K
 AvU †Rvov D`ixq A‡j Gwc‡_wjqvg, wUwbwWqv ev Bw›Ugv, M¨vmxq Av`vb cÖ` vb nq cÖvPxihy³
 †cwiwUªg _v‡K GwU _vKvq UªvwKqv Pzc‡m hvq bv
 k¦m‡bi MwZc_:
k¦vmiÜ« evqygÐj O2 k¦vmiÜ« A¨vwUªqvg UªvwKqv

A¨vwUªqvg UªvwKIj

UªvwKqv evqy_wj

†`n‡Kv‡l O2 Abyc‡Ö ek, RviY

UªvwKIj CO2
wµqvm¤úbœ Ges CO2 Drcbœ
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
376 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

 UªvwKqv I UªvwKI‡ji g‡a¨ cv_©K¨:

Zzjbxq welq UªvwKqv UªvwKIj
MVb cÖvPxi G‡`i cÖvPx‡i Bw›Ugv _vKvq Pzcmv‡Z cv‡i bv; Giv †QvU-eo kvLv-cÖkvLv hy³| Giv Bw›Ugvwenxb; d‡j Af¨šÍifv‡M k~b¨ _vK‡j Pzc‡m hvq; Giv AkvL|
e¨vm A‡c¶vK…Z eo e¨vmwewkó (e¨vm- 2.5m) AwZ ¶z`ª e¨vmhy³ (e¨vm 1m Gi †P‡q Kg)
DrcwË A¨vwUªqvg †_‡K Drcbœ nq| UªvwKIj †Kvl †_‡K m„ó|
cwimgvwß cÖvšÍxq †Kv‡l| †`n‡Kv‡li ms¯ú‡k©|
KvR ¯úvBivKj †_‡K UªvwKIj †Kvl ch©šÍ O2 Ges CO2 Gi UªvwKIj †Kvl †_‡K †`n‡Kvl ch©šÍ e¨vc‡bi gva¨‡g O2 I CO2
wewbgq NUvq| Gi Av`vb cÖ`vb NUvq|
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi)

 ITEM 04 †iPbZš¿
AvwglRvZxq Lv`¨ wecv‡K m„ó bvB‡Uªv‡RbNwUZ eR©¨ c`v_© wb®‥vk‡bi cÖwµqv‡K †iPb e‡j| Ab¨me cZ‡½i g‡Zv Nvmdwos Gi cÖavb †iPb A½I g¨vjwcwRqvb
bvwjKv|
 †g‡m‡›Uib Bwjqv‡gi ms‡hvM¯‡j cÖvq 100wU myZvi g‡Zv g¨vjwcwRqvb bvwjKv wn‡gvwm‡j we¯Í…Z _v‡K| 1669 mv‡j GwU Avwe®‥vi K‡ib BZvjxq wPwKrmK
gv‡m©‡jv gvjwcwR|
 Gwc‡_wjqvj †Kvl, wfwË c`©v, gvB‡µvwfjvB, eªvkeW©vi Øviv g¨vjwcwRqvb bvwjKv MwVZ|
 gjvk‡q AwaKvsk cvwb cybt‡kvwlZ nq Ges BDwiK GwmW g‡ji mv‡_ eR©¨ c`v_©iƒ‡c †ei n‡q hvq|
 AwZwi³ ev Avbylw½K †iPb A½:
i. BD‡iU †Kvl- d¨vUewW ev Pwe© †Kvl, hv‡Z kK©iv, Avwgl I †¯œn RvZxq Lv`¨ cwiewZ©Ziƒ‡c Rgv _v‡K|
ii. BDwi‡KvR MÖwš’- cyiæl Nvmdwos Gi gvkiæg MÖwš‡Z Ae¯vb K‡i|
iii. †b‡dªvmvBU- ürh‡š¿i cvk¦©‡`‡k Ae¯vb K‡i|
iv. wKDwUKj- †Lvjm †gvP‡bi mgq cyivZb wKDwUKjmn mwÂZ †iPb `ªe¨ cwiZ¨v³ nq|

SAQ BAQ
Short Ans Question WRITTEN SUGGESTION Broad Ans Question

 Nvm dwos-Gi k¦mbZ‡š¿i cÖavb PviwU As‡ki bvg wjL| [RU. Unit-C, 19-20]
DËi: k¦mbZ‡š¿i PviwU Ask:
(i) k¦vmiÜ« (ii) UªvwKqv (iii) UªvwKIj (iv) evqy_jx|
 gy³ ev j¨vKzbvi msenb Kx?
DËi: Nvmdwos-Gi i³bvwjKv¸‡jv •KwkK RvwjKv MVb bv K‡i †`‡ni wewfbœ duvKv ¯vb ev j¨vKzwb‡Z gy³ nq| GRb¨ G‡`i i³ msenbZš¿‡K gy³ ev
j¨vKzbvi msnbZš¿ e‡j|
 wn‡gvwmj Kv‡K e‡j? [iv. †ev. 2019]
DËi: Nvmdwosmn mKj mwÜc`x cÖvYxi †`nMnŸi †g‡mvWvg© †_‡K Drcbœ †cwi‡Uvwbqv‡g Ave„Z _v‡K bv, i‡³ c~Y© Ges msenbZ‡š¿i Ask wn‡m‡e KvR K‡i|
G ai‡bi i³c~Y© AcÖK…Z †`nMnŸi‡K wn‡gvwmj e‡j|
 wn‡gvwj¤d Kx? [Xv. †ev. 2018]
DËi: Nvmdwos-Gi i³ ¯^”Q I eY©nxb i³ wn‡gvwmj bvgK †`nMnŸ‡i jwmKvi mv‡_ wgwkÖZ Ae¯vq _v‡K e‡j Nvmdwos-Gi i³‡K wn‡gvwjç e‡j|
 †c․wóKbvjxi Ask¸‡jvi bvg wjL?
DËi: Nvmdwos Gi †c․wóKbvwji wewfbœ Ask:
†c․wóKbvwj Ask
†÷v‡gvwWqvg ev AMÖ-†c․wóKbvwj gyLwQ`ª, Mjwej, MÖvmbvwj, µc I wMRvW© ev †cÖv‡fw›UªKzjvm
†g‡m‡›Uib ev ga¨-†c․wóKbvwj cvK¯wj
†cÖv‡±vwWqvg ev cðvr-†c․wóKbvwj Bwjqvg, †Kvjb, †iKUvg ev gjvkq I cvqywQ`ª
 gy³ I e× msenbZ‡š¿i g‡a¨ cv_©K¨ wjL?
DËi: gy³ I e× msenbZ‡š¿i g‡a¨ cv_©K¨:
cv_©‡K¨i welq gy³ i³ msenbZš¿ e× i³ msenbZš¿
†h msenbZ‡š¿i gva¨‡g wn‡gvwjç †Lvjv cÖvšÍ wewkó bvwji ga¨
†h msenbZ‡š¿i gva¨‡g i³ me©`vB evwnKvi gva¨‡g evwnZ
msÁv w`‡q Ges †`nMnŸ‡ii (wn‡gvwmj) ga¨ w`‡q cÖevwnZ nq Zv‡K
nq Zv‡K e× msenbZš¿ e‡j
gy³ msenbZš¿ e‡j
evwnKvi cÖvšÍ‡`k evwnKvmg~‡ni cÖvšÍ‡`k gy³ evwnKvmg~‡ni cÖvšÍ‡`k gy³ bq
cÖevwnZ Zij c`v_© wn‡gvwjç ch©vqµ‡g evwnKv I †`nMnŸ‡ii ga¨ w`‡q cÖevwnZ nq i³ me©`vB evwnKvi g‡a¨ Ave× †_‡K cÖevwnZ nq
cÖevwnZ Zij c`v‡_©i MwZ ax‡i cÖevwnZ nq `ªæZMwZ‡Z cÖevwnZ nq
D`vniY Arthropoda Ges Mollusca c‡e©i cÖvYx‡`i i³ msenbZš¿ Annelida Ges Chordata c‡e©i cÖvYx‡`i i³ msenbZš¿
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi cwiwPwZ 377

REAL TEST  ANALYSIS OF PREVIOUS YEAR QUESTIONS

STEP 01 ANALYSIS OF DU QUESTION 02. Nvmdwos Gi i‡³i bvg wK? [CU-A, Shift-4. 20-21]
A. wn‡gvmvBU B. wn‡gvwmj
01. †Kvb evK¨wU wm‡jvg I wn‡gvwmj Df‡qi Rb¨ mwVK? [DU.17-18]
C. wn‡gvwjç D. wn‡gvmvqvwbb
A. DfqB †`ncÖvPxi I cwicvK bvjxi ga¨eZx© duvKv ¯vb
Ans C Why Nvmdwos Gi i³c~Y© †`nMnŸi‡K wn‡gvwmj e‡j Ges
B. DfqB mKj Dcv½ ch©šÍ we¯Í„wZ
i³‡K wn‡gvwjç e‡j|
C. DfqB i³ msenbZ‡š¿i Ask
03. Nvmdwos-Gi †`‡n Dš§y³ wQ`ªc‡_i msL¨v KZ? [CU.17-18]
D. DfqB ¯œvqyZ‡š¿i Ask
A. 10 †Rvov B. 15 †Rvov
Ans A Why cÖvYxi †`ncÖvPxi I †c․wóKbvjxi ga¨eZx© wm‡jvwgK
C. 20 †Rvov D. 5 †Rvov Ans A
Zijc~Y© MnŸi‡K wm‡jvg e‡j| cÖvYxi †`ncÖvPxi I †c․wóKbvjxi ga¨eZx©
04. Avi‡kvjvi i‡³i bvg wK? [CU.15-16; RU.15-16]
i³c~Y© MnŸi‡K wn‡gvwmj e‡j|
A. cøvRgv B. wn‡gvwjç
02. wn‡gvwmj †Kvb cÖvwY‡Z †`Lv hvq? [DU.15-16]
C. wn‡gvwmj D. wmivg E. wn‡gvmvBU Ans B
A. Nvmdwos (Grasshopper) B. wUKwUwK (House Lizard)
C. cvwL (Bird) D. gvbyl (Human) Ans A
STEP 06 ANALYSIS OF GST QUESTION
Ans A Why Av‡_ªv©‡cvWv I gjv¯‥v c‡e©i cÖvYx‡Z wn‡gvwmj cvIqv hvq|
PART A Analysis of General University Question
STEP 02 ANALYSIS OF JU QUESTION KU
01. †KvbwU Nvmdwos Gi cðvr †c․wóK bvjxi Ask bq? 01. Nvmdwos G wMRv‡W©i KvR wK? [KU.17-18]
[JU: Unit-D; Set-Q,19-20]
A. Lv`¨ PyY©KiY B. Lv`¨ cwienY
A. Bwjqvg B. †Kvjb C. M¨vw÷ªK wmKv D. †iKUvg
C. Lv`¨ mÂq D. Lv`¨ cwicvK Ans A
Ans C Why Nvmdwos Gi †c․wóKbvwji wewfbœ Ask:
†c․wóKbvwj Ask PART B Analysis of Science & Technology Question
gyLwQ`ª, Mjwej, MÖvmbvwj, µc I JUST
†÷v‡gvwWqvg ev AMÖ-†c․wóKbvwj
wMRvW© ev †cÖv‡fw›UªKzjvm| 01. cwicvKZ‡š¿i †Kvb Ask Lv`¨ †kvlY K‡i? [JUST:B,17-18]
†g‡m‡›Uib ev ga¨-†c․wóKbvwj cvK¯wj| A. µc B. Bwjqvg
Bwjqvg, †Kvjb, †iKUvg ev C. †÷vgvK D. †i±vg Ans B
†cÖv‡±vwWqvg ev cðvr-†c․wóKbvwj
gjvkq I cvqywQ`ª|
MBSTU
02. Nvmdwos-Gi i³i‡mi †k¦Z KwYKvi bvg Kx? [JU:D,17-18]
01. Avi‡kvjvi cÖavb †iPb A½ n‡jv- [MBSTU: Unit-B,19-20]
A. wn‡gvwmj B. wn‡gvwjç
A. †bd«b B. g¨vjwcwRqvb wUDweDjm
C. wn‡gvmvBU D. wn‡gv‡Møvweb Ans C
C. †bwd«wWqv D. †d¬g †Kvl
STEP 03 ANALYSIS OF RU QUESTION y
Ans B Wh Avi‡kvjv Av‡_©ªv‡cvWv c‡e©i cÖvYx| Av‡_©ªv‡cvWv c‡e©i
 cÖavb †iPb A½ g¨vjwcwRqvb bvwjKv|
cÖvYx‡`i
01. g¨vjwcwRqvb bvwjKv _v‡KÑ [RU. Sinovac, Set-1. 20-21]
A. Mjwe‡j B. MÖvmbvjx‡Z C. µ‡c D. †g‡m›U‡i‡b PUST
Ans D Why g¨vjwcwRqvb bvwjKv cZ‡½i cÖavb †iPb A½| †g‡m‡›Uib 01. Nvmdwos Gi gy‡Lvcv½ †Kvb ai‡bi? [PUST:B, 17-18]
I Bwjqv‡gi ms‡hvM¯‡j AmsL¨ (cÖvq 100wU) myZvi g‡Zv g¨vjwcwRqvb A. Mandibulate B . Siphoning
bvwjKv wn‡gvwm‡j we¯Í…Z _v‡K| G¸‡jvi gy³ cÖvšÍ e× Ges wn‡gvwmj MnŸ‡i C. Spongi D. Piercing & sucking Ans A
wn‡gvwj‡ùi g‡a¨ wbgw¾Z _v‡K| Ab¨cÖvšÍ †c․wóKbvwji MnŸ‡i Db¥y³|
PSTU
02. Avi‡kvjvi cÖavb †iPb A‡½i bvg- [RU.15-16]
01. †Kvb cÖvYxi i‡³ wn‡gvmvBU _v‡K? [PSTU. 18-19]
A. UªvwKqv B. gvjwcwRqvb bvwjKv
A. e¨vO B. gvbyyl
C. wKWwb D. BDwi‡Kvm MÖwš Ans B
C. gvQ D. Nvmdwos
03. Avi‡kvjvi ürwc‡Û KcvwUKvi msL¨v- [RU.15-16]
Ans D Why eY©nxb cøvRgv Ges Gi g‡a¨ fvmgvb AmsL¨ eY©nxb
A. 12 †Rvov B. 10 †Rvov
i³KwYKv ev wn‡gvmvBU wb‡q Nvmdwos Gi i³ MwVZ|
C. 24 †Rvov D. 13 †Rvov Ans A
02. wMRvW© †Kvb KvRwU m¤úbœ K‡i? [PSTU.13-14]

STEP 04 ANALYSIS OF CU QUESTION A. Lv`¨ cwienb B. _vjvi mv‡_ Lv`¨ wgkª Y

C. Lv`¨ cwicvK D. Lv`¨ P‚Y© KiY Ans D
01. wn‡gvwmj †Kvb cÖvYx‡Z †`Lv hvq? [CU-A, Shift-1. 20-21]
A. Nvmdwos B. wUKwUwK C. cvwL D. gvbyl BSFMSTU
Ans A Why i³c~Y© †`nMnŸi‡K wn‡gvwmj e‡j| Av‡_©v‡cvWv c‡e©i 01. g¨vjwcwRqvb bvwjKv f~wgKv cvjb K‡i- [BSMRSTU. 17-18]
cÖvwY‡Z mvaviYZ wn‡gvwmj cvIqv hvq| Nvmdwos, †Zjv‡cvKv, wPswo‡Z A. k^m‡b B. †iP‡b
wn‡gvwmj we`¨gvb| C. cwicv‡K D. `k©‡b Ans B

 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
378 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION 02. wb‡Pi †KvbwU Nvmdwos Gi cðvr †c․wóKbvwji Ask? [DAT.19-20]
A. Mjwej B. wMRvW© C. Bwjqvg D. µc
MAT Ans C Why Nvmdwos Gi †c․wóKbvwji wewfbœ Ask: [JU. 19-20,
01. Nvmdwos Gi i³ KwYKvi bvg wK? [MAT.2020-21]
Set-Q Gi cÖ‡kœi e¨vL¨v †`‡Lv]
A. Hemocyte B. Thrombocyte C. Leukocyte D. Erythrocyte
Ans A Why eY©nxb cøvRgv Ges Gi g‡a¨ fvmgvb AmsL¨ eY©nxb STEP 08 ANALYSIS OF HSC BOARD QUESTION
i³KwYKv ev wn‡gvmvBU (eY©nxb †k¦ZKwYKv) wb‡q Nvmdwos-Gi i³ Dhaka Board
MwVZ| i³ wn‡gvwmj bvgK MnŸ‡i jwmKvi mv‡_ wgwkÖZ Ae¯vq _v‡K e‡j 01. †Kvb AskwU Nvm dwos‡qi †c․wóKbvjxi †cÖv‡±vwWqv‡gi AšÍf©y³? [Xv. †ev.2018]
Nvmdwosmn wewfbœ cZ‡½i i³‡K wn‡gvwjç e‡j| wn‡gv‡Møvweb ev Ab¨ A. µc B. Mjwej
†Kvb ai‡bi k¦vmiÄK bv _vKvq Gi i³ eY©nxb, k¦m‡b †Zgb †Kvb f~wgKv C. wMRvW© D. †i±vg Ans D
iv‡L bv|
02. Nvmdwos Gi †ncvwUK wmKv KqwU? [MAT.19-20] Chattogram Board
A. 12 B. 8 C. 10 D. 14 01. Nvmdwos Gi eÿA‡j KZ †Rvov k¦vmiÜ _v‡K? [P.†ev-2021]
Ans A Why Nvmdwos Gi †÷v‡gvwWqvg ev AMÖ †c․wóKbvwj Ges A. 2 B. 5
†g‡m‡›Uib ev ga¨ †c․wóKbvwj ms‡hvM¯‡j Aew¯Z †Kvb AvK…wZi Qq C. 8 D. 10 Ans A
†Rvov ev 12wU j¤^v ¯^”Q bvwjKv‡K †ncvwUK ev M¨vw÷ªK wmKv e‡j|
Jashore Board
03. Nvmdwos‡qi i³ msenbZ‡š¿i Ask bq †KvbwU? [MAT. 17-18]
01. Nvmdwos Gi †iPb A½ †KvbwU? [h.†ev-2021]
A. wn‡gvwmj B. m¤§yL evwnKv
A. †bwd«wWqv B. wkLv‡Kvl
C. c„ôxq evwnKv D. wn‡gvwjç Ans B
C. gvjwcwRqvb bvwjKv D. gvjwdwRqvb ewW Ans C
DAT 02. Nvmdwos Gi i‡³i bvg Kx? [h. †ev. 2019]
01. Nvmdwos-Gi ¯úvBivKj †K wN‡i iv‡L †KvbwU? [DAT.2020-21] A. wn‡gvmvBU B. wn‡gvwmj
A. †cwiwUªg B. AcviKzjvg C. wUwbwWqv D. Bw›Ugv C. wn‡gvwjç D. wn‡gvmvqvwbb Ans C
Ans A Why Nvmdwos Gi †`‡ni Dfq cv‡k †gvU `k †Rvov kvmiÜ«/
Cumilla Board
¯úvBivKj i‡q‡Q| Gi g‡a¨ `y‡Rvov eÿxq A‡j Ges AvU‡Rvov D`ixq
01. Nvmdwos-Gi †ncvwUK wmKvi msL¨v KqwU? [Kz. †ev. 2017]
A‡j Aew¯Z| cÖwZwU ¯úvBivKj wW¤^vKvi wQ`ª we‡kl Ges †cwiwUªg bvgK
A. 12 B. 13
KvBwUbwbwg©Z cÖvPx‡i cwi‡ewóZ|
C. 14 D. 15 Ans A
 AcviKzjvg: ¯^vfvweK Ae¯vq †bgv‡Uvwm‡÷i m~ÎK I _wj †h XvKbv
Øviv XvKv _v‡K Zv‡K AcviKzjvg e‡j| Combined Board
 wUwbwWqv: cÖavb cÖavb UªvwKqv¸‡jvi Af¨šÍ‡i Bw›Ugv mwc©jvKv‡i †cuwP‡q 01. Nvmdwos G j¨vwmwbqv cvIqv hvq gy‡Lvcv‡½i †KvbwU‡Z? [mKj †ev. 2018]
wUwbwWqv bvgK MVb m„wó K‡i| Gi d‡j UªvwKqv Pzc‡m hvq bv| A. j¨veªvg B. g¨vwÛej
 Bw›Ugv: UªvwKqvi Af¨šÍifv‡M wKDwUKj wbwg©Z ¯Íi| C. g¨vw·jv D. j¨vweqvg Ans C

CONCEPT 03 ms‡e`x A½
†hme MÖvnK A‡½i gva¨‡g cwi‡ek †_‡K cÖvwY‡`‡n AvMZ we‡kl DÏxcbv (¯úk©, NªvY, ¯^v`, kã, Pvc, Zvc I Av‡jvi ZxeªZv BZ¨vw`) M„nxZ n‡q †K›`ªxq
¯œvqyZ‡š¿ †cÖwiZ nq Ges Dchy³ cÖwZ‡e`b m„wó K‡i Zv‡K ms‡e`x A½ ev Áv‡bw›`ªq e‡j|
 wewfbœ cÖKvi ms‡e`x A½:
bvg D`vniY
d‡Uvwi‡mÞi ev Av‡jvKms‡e`x A½ g¯Í‡K Aew¯Z cyÄvwÿ I I‡mjvm|
w_M‡gvwi‡mÞi ev ¯úk© ms‡e`x A½ †`‡ni wewfbœ A‡½ we`¨gvb weªmj I †ivg|
Aj‡d‡±vwi‡mÞi ev MÜ ms‡e`x A½ A¨v‡›Ubvq we`¨gvb †ivg|
M¨v÷v‡Uvwi‡mÞi ev ¯^v` ms‡e`x A½ g¨vw·jvix cví I j¨vweqv‡g we`¨gvb †ivg|
_v‡g©vwi‡mÞi ev Zvc ms‡e`x A½ cv‡qi 1g wZbwU Uvmv©‡mi †Mvovq we`¨gvb cøv›Uzwj c¨vW Ges A¨v‡›Ubvi wKQy †ivg|
K‡W©v‡Uvbvj wi‡mÞi ev kÖeY ms‡e`x A½ cvqy mviwK‡Z we`¨gvb †ivg|
 cyÄvwÿ:
 Nvmdwos‡qi gv_vi c„ôfv‡Mi Dfq cv‡k Aew¯Z eo, e„šÍnxb, e„°vKvi,
DËj, Kv‡jv Ask‡K cyÄvwÿ e‡j|
 Nvmdwos Gi cyÄvw¶i cÖwZwU lof~RvKvi `k©b GKK‡K IgvwUwWqvg
(Ommatidium) e‡j|
 1200-1800 ev 2000 IgvwUwWqv wb‡q cyÄvwÿ MwVZ|
 GKwU IgvwUwWqv‡g †gvU 10wU cÖavb Ask _v‡K|
 mgMÖ cyÄvwÿi DcwifvM ¯^”Q wKDwUKj Øviv Ave„Z|
 cyÄvwÿ‡Z Aew¯Z cÖwZwU IgvwUwWqv‡gi MVb I Kvh©cÖYvjx Awfbœ|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi cwiwPwZ 379

 IgvwUwWqv‡gi wewfbœ Ask:

bvg KvR
KwY©qv †j‡Ýi g‡Zv KvR K‡i|
Kwb©qv‡Rb †Kvl wbtmiY †_‡K KwY©qv m„wó nq|
wµ÷vjvBb †KvY †Kvl wµ÷vjvBb †KvY‡K wN‡i iv‡L Ges G‡`i ¶iY †_‡K wµ÷vjvBb †KvY MwVZ nq|
wµ÷vBjvBb †KvY cÖwZmiYkxj A½ wn‡m‡e KvR K‡i, IgvwUwWqv‡g Av‡jv cÖ‡e‡k mvnvh¨ K‡i|
iÄK Aveib Zxeª Av‡jv‡Z G AveiY cÖmvwiZ n‡q †KvY †Kvl¸‡jv‡K m¤ú~Y©iƒ‡c Ave„Z K‡i, Avevi g„`y Av‡jv‡K msKzwPZ n‡q
ev AvBwik wcM‡g›U AveiY AvswkK Dš§y³ iv‡L|
†iwUbyjvi †Kvl †Kv‡li ¶iY †_‡K i¨ve‡Wvg MwVZ nq| ZvQvov G¸‡jv Av‡jvK ms‡e`xI e‡U|
i¨ve‡Wvg Gi gva¨‡g Av‡jv M„nxZ nq, m¤¢eZ i¨ve‡Wv‡g cÖwZwe¤^ MwVZ nq|
GwU cÖ‡Z¨K IgvwUwWqvg‡K ci¯úi †_‡K c„_K K‡i iv‡L| G c`©vi iÄK c`v_© Av‡jvi ZxeªZvi Dci wbf©i K‡i wewfbœ
†iwUbvj wm_
w`‡K mÂvwjZ n‡Z cv‡i|
wfwË c`©v GwU IgvwUwWqvg‡K aviY K‡i, ¯œvqyZš¿ IgvwUwWqv‡gi mv‡_ hy³ _v‡K|
mœvqyZš‘ M„nxZ cÖwZwe¤^ gw¯Í‡®‥ †cÖiY K‡i|
 mycvicwRkb I G‡cvwRkb cÖwZwe‡¤^i g‡a¨ cv_©K¨:
Zzjbxq welq mycvicwRkb A¨v‡cvwRkb
Av‡jv‡Ki ZxeªZv g„`y Av‡jvK D¾¡j Av‡jv‡K
AvBwik c`©vi iÄK c`v_© msKzwPZ nq we¯Í…Z nq
Av‡jvK iwk¥ Zxh©K I Dj¤^ Dfq ai‡bi iwk¥ †_‡KB cÖwZwe¤^ m„wó nq ïay Dj¤^ iwk¥ †_‡K cÖwZwe¤^ m„wó nq
cÖwZwe‡¤^i cÖK…wZ A¯úó, mvgwMÖK I Svcmv c„_K I my¯úó
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi)

SAQ BAQ
Short Ans Question WRITTEN SUGGESTION Broad Ans Question

 Nvmdwos Gi ms‡e`x A½¸‡jvi bvg wjL?

DËi: Nvmdwos Gi ms‡e`x A½¸‡jvi bvg : Av‡jvK ms‡e`x A½, ¯úk© ms‡e`x A½, MÜ ms‡e`x A½, ¯^v` ms‡e`x A½, Zvc ms‡e`x A½, kÖeY ms‡e`x A½|
 cyÄvwÿ Kx? [P. †ev. 2017]
DËi: Nvmdwos-Gi g¯Í‡Ki Dfq cv‡k Kv‡jv, e„šÍnxb, e„ËvKvi DËj MVb‡K cyÄvwÿ e‡j| cyÄvwÿ `k©b Bw›`ªq| cÖwZwU cyÄvwÿ cÖvq 2000wU `k©b GKK ev
IgvwUwWqv wb‡q MwVZ|
 cyÄvwÿ I mijvwÿi g‡a¨ cv_©K¨ wjL?
DËi: cyÄvwÿ I mijvwÿi g‡a¨ cv_©K¨ :
cv_©‡K¨i welq cyÄvwÿ mijvwÿi
Ae¯’vb gv_vi `yÕcv‡k A¨v‡›Ubvi †Mvovq e„°vKvi cyÄvwÿ `ywU Ae¯vb K‡i g¯Í‡Ki c„ôxq ev m¤§yL A‡j Dfq cv‡k Pÿy †KvU‡i Ae¯vb K‡i
MVb A‡bK¸‡jv IgvwUwWqvi mgš^‡q MwVZ mijvwÿ GKKfv‡e MwVZ
Pÿz‡MvjK _v‡K bv _v‡K
cÖwZwe¤^ A¨v‡cvwRkb A_ev mycvi‡cvwRkb cÖwZwe¤^ MV‡bi gva¨‡g `k©b g‡bvKzjvi A_ev evB‡bvKzjvi `„wói gva¨‡g `k©‡bi KvR m¤úbœ K‡i
wµqv m¤úbœ K‡i
D`vniY mvaviYZ Arthropoda c‡e©i cÖvYx‡Z cvIqv hvq mvaviYZ D”P †kÖwYi †giæ`Ðx cÖvYx‡Z cvIqv hvq
 wµ÷vjvBb †KvY †Kv‡li KvR wjL?
DËi: wµ÷vjvBb †KvY †Kvl KZ…©K wbtm„Z i‡m cÖwZmiYkxj c`v‡_© c~Y© wµ÷vjvBb †Kvb MwVZ nq|
 IgvwUwWqvg Kx? [P. †ev. 2019]
DËi: Nvmdwosmn Ab¨vb¨ KxUcZ‡½i ¯^vaxb I ¯^Zš¿fv‡e cÖwZwe¤^ MV‡b mÿg cyÄvwÿi cÖwZwU mijvwÿ ev `k©b GKK ev GKK Av‡jvK ms‡e`x A½‡K
IgvwUwWqvg e‡j|

REAL TEST  ANALYSIS OF PREVIOUS YEAR QUESTIONS

STEP 02 ANALYSIS OF JU QUESTION STEP 03 ANALYSIS OF RU QUESTION
01. Nvmdwos-Gi wµ÷vjvBb †Kv‡Yi KvR †KvbwU? [JU:D,16-17] 01. Nvm dwos‡qi cyÄvwÿi †Kvb AskwU Av‡jv MÖnY K‡i? [RU. 19-20]
A. IgvwUwWqv‡g Av‡jv cÖ‡e‡k A. KwY©qv B. i¨ve‡Wvg
B. i¨ve‡Wvg •Zwi C. KwY©qv‡Rb †Kvl D. wµ÷vjvBb †Kvl
C. Av‡jv MÖnY Kiv Ans B Wh y KwY© qv †j‡Ýi g‡Zv KvR K‡i| KwY©qv‡Rb †Kvl ÿiY †_‡K
D. m„ó cÖwZwe¤^ gw¯Í‡®‥ †cÖiY Ans A KwY©qv m„wó nq| wµ÷vjvBb †KvY †Kvl ÿiY †_‡K wµ÷vjvBb †KvY MwVZ nq|
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
380 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

STEP 04 ANALYSIS OF CU QUESTION Ans A Why Nvmdwos‡qi gv_vi c„ôfv‡Mi Dfq cv‡k Aew¯Z eo,
01. i¨ve‡Wvg •Zwi K‡i †KvbwU? [CU-A, Shift-2. 20-21]
e„šÍnxb, DËj, Kv‡jv Ask‡K cyÄvwÿ e‡j| cÖ‡Z¨K cyÄvwÿ cÖvq `yÕnvRvi
A. KwY©qv‡Rb †Kvl B. †iwUbyjvi †Kvl (cÖRvwZ‡f‡` msL¨v wewfbœ) lof~RvKvi IgvwUwWqv wb‡q MwVZ| cÖwZwU
C. wµ÷vjvBb †KvY †Kvl D. KwY©qv IgvwUwWqvg (GKeP‡b) G‡KKwU `k©b GKK wn‡m‡e KvR K‡i|
Ans B Why †iwUbyjvi †Kvl †_‡K i¨ve‡Wvg •Zwi nq hv Nvmdwos Gi
`k©‡bi mgq Av‡jv MÖnY K‡i| STEP 08 ANALYSIS OF HSC BOARD QUESTION
Chattogram Board
STEP 06 ANALYSIS OF GST QUESTION
01. wb‡Pi †KvbwU cÖwZmiYkxj A½ wnmv‡e KvR K‡i? [P.†ev-2021]
PART B Analysis of Science & Technology Question A. wµ÷vjvBUb †KvY B. wµ÷vjvBb †KvY †Kvl
JUST C. i¨ve‡Wvg D. Kwb©qv‡Rb †Kvl Ans A
01. i¨ve‡Wvg †Kvb A‡½i Ask? [JUST.17-18; KU.16-17]
A. gvjwcwRqvb bvwjKv B. µc Dinajpur Board
C. IgvwUwWqvg D. g¨vwÛej Ans C 01. IgvwUwWqv‡gi †Kvb As‡k cÖwZwe¤^ MwVZ nq? [w`.†ev-2021]
A. Kwb©qv B. wµ÷vjvBb †KvY
STEP 07 ANALYSIS OF MEDICAL & DENTAL QUESTION C. †iwUbyjvi †Kvl D. i¨ve‡Wvg Ans 0
MAT
01. Nvmdwos‡qi cyÄv¶xi †Kvb AskwU Av‡jv MÖnY K‡i? [MAT.18-19] Barisal Board
A. Kwb©qv B. i¨ve‡Wvg 01. Nvmdwos Gi my c vicwRkb `k©‡b †KvbwU mwVK? [e. †ev. 2017]
C. Kwb©qv‡Rb †Kvl D. wµ÷vjvBb †KvY †Kvl Ans B A. my¯úó we¤^ •Zwi nq
B. e¯‧i LÛ LÛ weNœ •Zwi nq
AFMC
01. Nvmdwos Gi cyÄvwÿ‡Z KZwU IgvwUwWqv‡gi i‡q‡Q? [AFMC. 2020-21] C. AvBwik AveiY msKzwPZ _v‡K
A. 1200-1800 B. 500-600 C. 1000 D. 900 D. †iwUbvj AveiY cÖmvwiZ _v‡K Ans C

CONCEPT 04 cÖRbb cÖwµqv I iƒcvšÍi

 iƒcvšÍi: GKwU 僇Yi c~Y©v½ `kv cÖvwß hLb K‡qKwU ch©vqµwgK cwieZ©bxq av‡ci gva¨‡g N‡U ZLb G ai‡bi 僇YvËi cwiùzUb‡K iƒcvšÍi e‡j|
cÖKvi‡f`:
i. Am¤ú~Y© iƒcvšÍi: †h iƒcvšÍ‡i GKwU cZ½ wWg dy‡U †ewi‡q K‡qKwU wbç `kv AwZµ‡gi ci c~Y©v½ cZ‡½ cwiYZ nq Zv‡K Am¤ú~Y© iƒcvšÍi e‡j
(Nvmdwos I †Zjv‡cvKvi iƒcvšÍi)|
ii. m¤ú~Y© iƒcvšÍi: †h iƒcvšÍ‡i wkïcÖvYx I c~Y©v½ cÖvYxi g‡a¨ †Kvb Avw½K wgj _v‡K bv Zv‡K m¤ú~Y© iƒcvšÍi e‡j (†g․gvwQ I cÖRvcwZi iƒcvšÍi),m¤ú~Y©
iƒcvšÍ‡i wkï Ae¯vq cÖvYx‡K jvf©v e‡j| m¤ú~Y© iƒcvšÍ‡ii PviwU avc: wWg  jvf©v  wcDcv  B‡gv‡Mv (c~Y©v½)|
 iƒcvšÍi m¤úwK©Z wKQz Z_¨:
 e„w×Kvjxb mg‡q G‡`i †`‡ni KvBwUb wbwg©Z Abgbxq †LvjmwU evievi cwiZ¨³ A_©‣bwZK ¸iæZ¡:  c½cvj wn‡m‡e k‡m¨i ÿwZ
nq| G ai‡bi †Lvjm Z¨vM‡K wb‡gv©Pb ev †gvwës e‡j| K‡i  Lv`¨ k„•L‡j DcKvix f~wgKv iv‡L  g„Z ev
RxweZ Ae¯vq gv‡Qi †Uvc wn‡m‡e e¨eüZ nq
 wbç †_‡K c~Y©v‡½ cwiYZ n‡Z Nvmdwos‡qi †gvU cuvPevi wb‡gv©Pb N‡U|  P¨vÞvK…wg I †MvjK…wgi gva¨wgK †cvlK nq,
 `ywU wb‡gv©P‡bi ga¨eZ©x `kv‡K Bb÷vi e‡j| Gi gva¨‡g wewfbœ †giæ`Ðx cÖvYx AvµvšÍ nq|
 Nvmdwos‡qi wbç n‡Z c~Y©v½ `kvq cwiYZ n‡Z cÖvq `yB gvm mgq jv‡M|
 iƒcvšÍ‡ii ïiæ‡Z gw¯Í‡®‥i B›Uvi‡mwieªvj MÖwš‡Kvl †_‡K †cÖv‡_vivwm‡KvUªwcK
ni‡gvb ÿwiZ n‡q †cÖv‡_vivwmK MÖwš‡K GKWvBmb ni‡gvb ÿi‡Y DÏxwcZ K‡i|
 cÖRb‡b ni‡gv‡bi f~wgKv:
AšÍtÿiv MÖvwš’i bvg f~wgKv
B›Uvi‡mwieªvj MÖwš’‡Kvl gw¯Í®‥ ni‡gvb ÿiY K‡i hv †cÖv‡_vivwmK MÖwš‡K ni‡gvb ÿi‡Y DÏxß K‡i|
†cÖv‡_vivwmK MÖwš’ GKWvBmb ni‡gvb ÿiY K‡i hv wbç `kvq †Lvjm †gvPb I †gvwës wbqš¿Y K‡i|
K‡c©viv A¨vjvUv Ry‡fbvBj ni‡gvb (wbç `kv `xN© nq) I †Mvbv‡WvUªwcK ni‡gvb (cÖvß eq¯‥) wbtmiY K‡i|
K‡cv©iv KvwW©qvKv †MÖv_ ni‡gvb wbtmiY K‡i|
 wbç I c~Y©v½ Nvmdwos‡qi g‡a¨ cv_©K¨:
cv_©‡K¨i welq wbç c~Y©v½ Nvmdwos
AvKvi Zzjbvg~jK †QvU Zzjbvg~jK eo
Wvbv Abycw¯Z Dcw¯Z
†`‡ni eY© d¨vKv‡m ev`vgx meyR
Rbbv½ AcwiYZ _v‡K cwiYZ _v‡K
†gvwës N‡U N‡U bv
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg)
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
ASPECT BIOLOGY wØZxq cÎ  cÖvYxi cwiwPwZ 381

SAQ BAQ
Short Ans Question WRITTEN SUGGESTION Broad Ans Question

 Nvmdwos Gi iƒcvšÍ‡ii avc wjL?

DËi: wWg  wbç  c~Y©v½ cÖvYx|
 cÖRb‡b Ry‡fbvBj ni‡gv‡bi f~wgKv wjL?
DËi: K‡c©viv A¨vjvUv MÖwš †_‡K Ry‡fbvBj ni‡gvb ÿwiZ nq hv †`‡ni A¯^vfvweK `ªæZ e„w× cÖwZnZ K‡i| cÖK…Zc‡ÿ Ry‡fbvBj ni‡gv‡bi cÖfv‡e
Nvmdwos‡qi wbç `kv `xN© nq|
 i~cvšÍi Kx? [w`. †ev. 2017]
DËi: †Kv‡bv cÖvYxi RxebP‡µi cÖv_wgK `kv I c~Y©v½ `kvi g‡a¨ MVbMZ cv_©K¨ _vK‡j cÖv_wgK `kv †_‡K c~Y©v½ `kvq †cu․Qv‡Z †hme •`wnK cwieZ©b mvwaZ
nq Zv‡K iƒcvšÍi e‡j|

REAL TEST  ANALYSIS OF PREVIOUS YEAR QUESTIONS

STEP 01 ANALYSIS OF DU QUESTION 02. GKWvBwmm (Ecdysis) nj [CU.15-16]

01. cZ‡½i m¤ú~Y© iƒcvšÍi wb¤œwjwLZ †Kvb avc¸‡jv wb‡q MwVZ? [DU. 20-21] A. cÖ v Yxi †Lvjm MV‡bi cÖ wµqv B. cÖ v Yxi †Lvjm Z¨v‡Mi cÖ wµqv
A. wWg-wbç-c~Y©v½ cZ½ B. wWg-jvf©v-c~Y©v½ cZ½ C. †Lvjm iwÄZ Kivi cÖwµqv D. cÖvYxi †Lvjm k³ Kivi cÖwµqv
C. wWg-wcDcv-jvf©v-c~Y©v½ cZ½ D. wWg-jvf©v-wcDcv-c~Y©v½ cZ½ E. cÖ
v Yxi †Lvjm big Kivi cÖ wµqv Ans B
Ans D Why iƒcvšÍi: GKwU 僇Yi c~Y©v½ `kv cÖvwß hLb K‡qKwU
ch©vqµwgK cwieZ©bxq av‡ci gva¨‡g N‡U ZLb G ai‡bi 僇YvËi STEP 06 ANALYSIS OF GST QUESTION
cwiùzUb‡K iƒcvšÍi e‡j| PART A Analysis of General University Question
cÖKvi‡f`:
KU
i. Am¤ú~Y© iƒcvšÍi: †h iƒcvšÍ‡i GKwU cZ½ wWg dy‡U †ewi‡q K‡qKwU
wbç `kv AwZµ‡gi ci c~Y©v½ cZ‡½ cwiYZ nq Zv‡K Am¤ú~Y© iƒcvšÍi 01. Ac~ Y© v½ †_‡K c~ Y© v½ Nvmdwos-G cwiYZ nIqvi cÖwµqv‡K wK e‡j? [KU.15-16]
e‡j (Nvmdwos I †Zjv‡cvKvi iƒcvšÍi)| A. †gUv‡R‡bwmm B. †gUvKvB‡bwmm
ii. m¤ú~Y© iƒcvšÍi: †h iƒcvšÍ‡i wkïcÖvYx I c~Y©v½ cÖvYxi g‡a¨ †Kvb Avw½K C. †gUvgidwmm D. †gUvgi‡dv‡R‡bwmm Ans C
wgj _v‡K bv Zv‡K m¤ú~Y© iƒcvšÍi e‡j (†g․gvwQ I cÖRvcwZi iƒcvšÍi),
m¤ú~Y© iƒcvšÍ‡i wkï Ae¯vq cÖvYx‡K jvf©v e‡j| m¤ú~Y© iƒcvšÍ‡ii PviwU PART B Analysis of Science & Technology Question
avc: wWg  jvf©v  wcDcv  B‡gv‡Mv (c~Y©v½)| JUST
01. gvkiæg MÖwš’ _v‡K †Zjv‡cvKviÑ [JUST: Unit-B, 19-20; CU. 15-16]
STEP 02 ANALYSIS OF JU QUESTION A. cwicvKZ‡š¿ B. k¦mbZ‡š¿ C. cysRbbZ‡š¿ D. †iPbZ‡š¿
01. Nvmdwos Gi iƒcvšÍ‡i wW‡gi cieZx© avc †KvbwU? [JU:D,17-18] Ans D Why cyiæl gvkiæg MÖwš‡Z GK ai‡bi j¤^vK…wZ miæ bvjxi gZ
A. jvf©v B. wcDcv MÖwš _v‡K| G¸‡jv‡K BDwi‡Kvm MÖwš e‡j| Gme MÖwš wn‡gvwjç †_‡K
C. wbç D. c~Y©v½ dwos Ans C †iPb`ªe¨ †kvlY K‡i Ges BDwiK GwmW wn‡m‡e Rgv iv‡L| m½‡gi mgq
cyiæl GB BDwiK A¨vwmW ïµvYyi Dci Qwo‡q †`q|
STEP 03 ANALYSIS OF RU QUESTION
01. Nvmdwos-G 僇YvËi cwiù~U‡b †Kvb ai‡bi iƒcvšÍi †`Lv hvq? STEP 08 ANALYSIS OF HSC BOARD QUESTION
[RU. Moderna, Set-2. 20-21; JU:D,17-18]
A. A¨v‡gUv‡evjvm B. †nwg‡gUv‡evjvm Chattogram Board
C. n‡jv‡gUv‡evjvm D. †nv‡gv‡gUv‡evjvm 01. Nvmdwos Gi RxebP‡µ wb‡Pi †Kvb µgwU mwVK? [P. †ev. 2017]
Ans B Why Nvmdwos-Gi iƒcvšÍi Am¤ú~Y© ev †nwg‡gUv‡evjvm ai‡bi A. wWgjvf©vBgv‡Mv B. wWgjvf©vwcDcvBgv‡Mv
KviY G‡`i AcwiYZ wbç AvswkK cwiùzU‡bi gva¨‡g c~Y©v½ Nvmdwos-G C. wWgwbçBgv‡Mv D. wWgjvf©vwbçBgv‡Mv Ans C
iƒcvšÍwiZ nq| A_©vr Nvmdwos‡qi Rxeb BwZnv‡m wZbwU avc i‡q‡Q: wWg
 wbç  c~Y©v½ cÖvYx| Jashore Board
02. Am¤ú~Y© iƒcvšÍi N‡U wb‡¤œi †Kvb cÖvYx‡Z? [RU.16-17] 01. Nvmdwos wbç †_‡K c~Y©v‡½ cwiYZ n‡Z KZevi †Lvjm Z¨vM K‡i? [h. †ev. 2017]
A. Nvm dwos B. †g․gvwQ C. iæBgvQ D. nvBWªv Ans A A. GK evi B. wZb evi
03. Ks‡Møv‡eU MÖwš’ †Kv_vq cvIqv hvq? [RU.16-17] C. cuvP evi D. mvZ evi Ans C
A. nvBWªv B. e¨vO C. †Zjv‡cvKv D. gvbyl Ans C 02. †KvbwU Nvmdwos‡qi ¯¿x RbbZ‡š¿i Ask? [h. †ev. 2017]
A. †ÿcY bvwj B. ïµbvwj
STEP 04 ANALYSIS OF CU QUESTION C. ïµavbx D. ïµ_wj Ans C
01. Am¤ú~Y© iƒcvšÍ‡ii †ÿ‡Î wkï Ae¯’v‡K wK e‡j? [CU-A, Shift-4. 20-21]
A. jvf©v B. wbõ C. B‡gvMv D. wcDcv Cumilla Board
Ans B Why †h iƒcvšÍ‡i GKwU cZ½ wWg dy‡U †ewi‡q K‡qKwU wbç 01. wb‡¤œ i †KvbwU Nvmdwos Gi †ÿ‡Î cÖ‡hvR¨? [Kz. †ev. 2019]
`kv AwZµ‡gi ci c~Y©v½ cZ‡½ cwiYZ nq Zv‡K Am¤ú~Y© iƒcvšÍi e‡j A. IgvwUwWqv‡g m¤ú~Y© we¤^ •Zwi nq B. iƒcvšÍ‡i wb‡g©vP‡bi msL¨v cuvP
(Nvmdwos I †Zjv‡cvKvi iƒcvšÍi)| C. i³ msenbZš¿ eÜ D. UªvwKI‡j Bw›Ugv _v‡K Ans B
 ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES  ASPECT SERIES 
ASPECT SERIES 
382 An Exclusive Parallel Text Book of Biology ASPECT BIOLOGY

 GK bR‡i Nvmdwos:
evwn¨K MVb †c․wóKZš¿ i³ msenbZš¿ k¦mbZš¿
AvKvi, AvK…wZ, eY©: Nvmdwos Gi †`n GKwU mij †c․wóKbvjx I GK‡Rvov jvjvMÖwš wb‡q  Nvmdwos‡qi i³ msenbZš¿ gy³ Nvmdwos-Gi k¦mbZš¿ wb¤œewY©Z A½ wb‡q MwVZ-
miæ, j¤^v‡U, †ejbvKvi LÛvwqZ, wØcvk¦©xq Nvm dwos‡qi †c․wóKZš¿ MwVZ| ev Db¥y³ ev j¨vKzbvi cÖK…wZi| i. ¯úvBivj ev k¦vmiÜ:
cÖwZmg| †c․wóKbvjx:  i³ msenbZš¿ 3wU As‡k fvM  msL¨v 10 †Rvov (2 †Rvov eÿxq I 8
 •`N©¨ 8-9cm. 3wU As‡k wef³: Kiv hvq| †Rvov D`ixq)
 eY© nj‡` meyR ev ev`vg (AvRgj), eY© i. †÷v‡gvwWqvg ev AMÖ-†c․wóK bvwj h_v- K. wn‡gvwmj, L. i³ ev  †cwiwUªg bvgK KvBwUb w`‡q †ewóZ|
nwi`ªvfve meyR ev ev`vgx (Avjxg) K. gyLwQ`ª wn‡gvwjç, M. c„ôxq evwnKv|  A¨vwUªqvj cÖ‡Kv‡ô gy³ nq|
 wKQz D¾¡j bxj-njy` is‡qi (†hgbt  gy ‡ Lvcv½ Øviv †ewóZ| A_ev, K. wn‡gvwmj, L. ü`hš¿,  †ckx wbqwš¿Z KcvwUKvi mvnv‡h¨ †Lvjv ev
Poekilocercus pictus)  Lv`¨ G wQ`ª c‡_ Mjwe‡j †c․Qvq| M. wn‡gvwjç eÜ nq|
i³ K¼vj: Nvmdwos Gi †`n L. Mjwej: K. wn‡gvwmj:
 †`‡n evqy cÖ‡ek Kivq I a~jvevwj, cvwb,
KvBwUbgq wKDwUKj G Ave„Z|  †ckxeûj, Lv‡Uv, bjvKvi  i³c~Y© †`n Mnei|
RxevYyi cÖ‡ek †iva K‡i|
 †`n LÛK AveiYKvix wKDwUKj=†¯‥¬ivBU|  G wQ`ª c ‡_ Lv`¨ MÖ v mbvjx‡Z †c․Qvq|  A¼xq I c„ôxq c`©v Øviv wZbwU
ii. UªwKqv ev k¦vmbvjx:
 †¯‥¬ivBU¸‡jvi ms‡hvM¯j Av”Qv`bKvix M. MÖ v mbvjx: mvBbv‡m wef³-
 Nvmdwos‡qi cÖavb k¦mb A½,
wSjøx = m~Pvi|  Mjwej †_‡K D`i ch©šÍ we¯Í…Z| Lv`¨µ‡c †c․Qvq| i. †cwiKvwW©qvj mvBbvm: c„ôxq c`©vi
Dc‡i Aew¯Z, ü`hš¿ aviY K‡i| w¯wZ¯vcK|
 c„ôxq †¯‥¬ivBU = UvM©vg ev UviMvBU| N. µc:
 cÖvPxi wZb ¯Íi wewkót
 Aÿxq †¯‥¬ivBU = ÷vb©vg ev ÷vb©vBU|  Kwb‡Kj AvK…wZi _‡j| ii. †cwiwf‡mivj mvBbvm: A¼xq
1. AšÍ¯ wKDwUKj wbwg©Z Bw›Ugv
 UvM©vg I ÷vb©vg hy³ = cøyiv ev cøyivBU  cÖvPxi cvZjv wKš‧ †ckxeûj| c„ôxq c`©vi gv‡S Aew¯Z|
Øviv| O) wMRvW© ev †cÖvwfw›UªKzjvmt †c․wóK bvjx aviY K‡i| 2. ga¨¯ eûf‚RvKvi Gwc‡_wjqvg
 ewntK¼vj nvB‡cvWvwg©m wbtm„Z c`v‡_© m„ó| cyiæ cÖvPxiwewkó, AšÍtcÖvPxi KvBwUbgq `uvZhy³, iii.†cwiwbDivj ev ÷vb©vj mvBbvm: 3. ewn¯ wfwËwSjøx|
†`n: †`n 3 L‡Û wef³: 2wU Askt  A¼xq c`©vi wb‡P Aew¯Z,  Bw›Ugvi ‣`N©¨ eivei Bw›Ugv _vKvq Pzc‡m
i. g¯ÍK, ii. eÿ, iii. D`i| m¤§yL - Avg©vwiqvg ¯œvqyi¾y‡K aviY K‡i| hvq bv|
g¯ÍK/gv_v: cðvr - †÷v‡gvwWqvj KvR:  3 †Rvov Aby‣`N©¨ UªwKqvj Kv‡Û _v‡K (1 †Rvov
 gv_vi c„ôxq AÂj fv‡U©·, cvk¦©xq  KcvwUKv|  mKj AšÍtA½ aviY c„ôxq, 1 †Rvov A¼xq I 1 †Rvov cvk¦©xq)|
†Rbv, mvg‡bi Ask d«Ý bv‡g cwiwPZ|  6wU `uvZ, 6wU Abyj¤^ fuvR, 6wU c¨vW _v‡K|  i³ I jwmKv aviY  mgMÖ †`‡n k¦mb M¨vm cwienb K‡i|
 d«‡Ýi wb‡P AvqZvKvi K¬vBwcqvm _v‡K|  `uvZ Lv`¨ P‚Y© K‡i|  Lv`¨mvi I eR©¨ cwienb iii. UªvwKIj †Kvl ev cÖvšÍxq †Kvlt
 GwU 3 LÛ‡K wef³|  weªmj QuvKwbi KvR K‡i| L) i³ ev wn‡gvwjç:  UªvwKqv wef³ nq m„ó eûf‚RvKvi †Kvl|
 MÖxevi gva¨‡g g¯Í‡K wewfbœ w`‡K  KcvwUKv Lv‡`¨i wecixZ cÖev‡n euvav †`q|  Nvmdwos‡qi i³ eY©nxb cøvRgv|  †`n‡Kvl I UªvwKqvi ms‡hvM iÿv K‡i|
†Nviv‡Z mÿg| ii. †g‡m‡›Uib ev ga¨Zš¿:  i‡³ fvmgvb eY©nxb i³KwbKv iv. UªvwKIj:
cyÄvwÿ:  cvZjv cÖvPxi wewkó bvjx| ev wn‡gvmvBU _v‡K|  UªvwKIj †Kvl n‡Z m„ó|
 g¯Í‡Ki c„ô cvk¦‡`‡k GK‡Rvov Kv‡jv,  åƒYxq G‡ÛvWvg© †_‡K m„wó nq| Dcv`vb 2wU:  KvBwUb I Bw›Ugvwenxb|
e„nr e„° AvK…wZi cyÄvwÿ we`¨gvb|  AšÍtcÖvPx‡i wKDwUK‡ji cwie‡Z© †cwiUªwcK i. i³im: eY©nxb Zij, 70%  †Kvlxq Zi‡j c~Y©, G Zi‡j Aw·‡Rb
 Ae„šÍK| c`©v _v‡K| cvwb, Hb _v‡K bv, k¦vmKv‡h© `ªexf~Z n‡q e¨vcb cÖwµqvq †`n‡Kv‡l
 cyÄvwÿi eû‡KvYv cÖ‡Kvô IgvwUwWqvg  wMRvW© I †g‡m‡›Uib Gi ms‡hvM¯j KvwW©qv| Ask †bq bv| ¯vbvšÍwiZ nq Ges GKBfv‡e †Kvl¯
`k©‡bw›`ª‡qi KvR K‡i|  GLvb †_‡K 12 wU cÖea©b †ei nq hv M¨vw÷ªK ii. i³ KwYKv: Kve©b-WvB-A·vBW GB Zi‡j wg‡k|
 IgvwUwW©qvg cyÄvwÿi MVb I Kv‡Ri GKK| wmKv ev †ncvwUK wmKv bv‡g cwiwPZ|  wn‡gvmvBU bvgK eY©nxb v. evqy_wj:
I‡mwj:  †g‡m‡›Ui‡bi †kl As‡k njy`vf meyR e‡Y©i †k¦ZKwYKv _v‡K|  wUwbwWqv bvgK Af¨šÍi¯ mwc©jvKvi ejq
 Nvmdwos‡qi `ywU cyÄvwÿi gv‡S gvjwcwRqvb bvwjKv _v‡K, hv g~j †iPb A½|  1mm (Nb wgwg) i‡³ 15-60 †bB|
wKDwUKjwbwg©Z †jÝ I GK¸”Q iii. †cÖv‡±vwWqvg ev cðvr A½: nvRvi wn‡gvmvBU _v‡K| k¦mb c×wZ:
Av‡jvK ms‡e`x †Kv‡l MwVZ 3wU  G‡±vWvg© D™¢zZ I AšÍtcÖvPxi wKDwUKj Øviv Ave„Z|  wn‡gvmvBU i³ RgvU euvav I
 2wU avc- k¦mb MÖnY I k¦vm Z¨vM|
I‡mwj _v‡K|  PviwU Ask wb‡q MwVZ| †`‡ni ÿZ wbivgq K‡i|
 avc ¯úvBivKj Øviv wbqwš¿Z k¦vmMÖnY I
A¨v‡›Ubv: K. Bwjqvg: cvwPZ Lv`¨e¯‧ †kvlY K‡i|  wn‡gvmvBU d¨v‡MvmvB‡Uvwmm
k¦vmZ¨vM|
 †¯‥c, †cwW‡mj I d¬v‡Rjvg G wZbwU L. †Kvjb: Aewkó Lv`¨mvi †kvwlZ nq| K‡i|
Ask wb‡q MwVZ| iƒc‡iLv:
M. gjvkq ev †i±vg: 6wU †iKUvj MÖwš _v‡K| c„ôxq evwnKv:
 d¬v‡Rjv‡g Gi LÛ 25wU (Avjxg 20wU)|  gj mvgwqKfv‡e Rgv iv‡L I gj n‡Z AwZwi³  2wU As‡k wef³| evqygÛj – E.2 – k¦vmiÜ«
 G‡Z ms‡e`x I Ajd¨v±ix wcU _v‡K| cvwb, LwbR jeY, A¨vgvB‡bv GwmW †kvlY K‡i|  A¨vIU©v I ü`hš¿I|  
 Nªvb, ¯úk© I kÖe‡Y›`ªxq wn‡m‡e KvR K‡i| N. cvqy: gjvkq Gi †klcÖv‡šÍ|  ürwcÛ mvZ cÖ‡Kv‡ô wef³| k¦vmiÜ A¨vwUªqvg
gy‡Lvcv½:  Lv‡`¨i AcvP¨ Ask †`n †_‡K AcmviY|  w·KvbvKvi A¨vjvix‡ckx w`‡q  
Nvmdwos‡qi gy‡Lvcv½‡K Pe©b Dc‡hvMx  jvjvMÖwš ev †c․wóK MÖwšt mw¾Z| A¨vwUªqvg UªvwKqv
ev g¨vwÛey‡jU gy‡Lvcv½ e‡jÑ j¨veªvg,  µc Gi wb‡P, kvLv cÖkvLvhy³, GK‡Rvov  ü`¯ú›`b 100-110 evi|  
g¨vwÛej, g¨vw·jv, j¨vweqvg, UªvwKqv cÖvšÍxq †Kvl
jvjvMÖwš _v‡K|  mgq 30-60 wgwbU|
nvB‡cvd¨vwis·/ DcwRnev Lv`¨MÖnY I cwicvK: cÖwµqv:  
 Aÿxq cvk¦©‡`‡k `y‡Rvov k¦vmwQ`ª ev Nvmdwos Z…Y‡fvRx ev kvKvkx cÖvYx| cÖvšÍxq †Kvl UªvwKIj
g¯ÍK AÂj  †cwiwbDivj
¯úvBivj Aew¯Z| jvjvi‡m A¨vgvB‡jR, KvBwU‡bR, †mjy‡jR mvBbvm  †cwiwf‡mivj mvBbvm  
 wZb‡Rvov cv _v‡K| GbRvBg| UªvwKIj evqy_wj
 †cwiKvwW©qvj mvBbvm   
 cÖwZwU cv-cuvP L‡Û wef³ÑwZb‡Kvbv  ga¨v‡š¿ gj‡UR, wUªc‡UR, A¨vgvB‡jR,
K·v, wÎfzRvKvi †UªvK¨v›Uvi, wdgvi, Bbfv‡R©U, jvB‡cR cÖf…wZi Dcw¯wZ Lv`¨‡K mij ürwc‡Ûi cÖmviY ürwcÛ  CO2  †`n‡Kv‡l
wUweqv, Uvm©vm I Zij Lv`¨i‡m cwiYZ K‡i| ürwc‡Ûi ms‡KvPb  c„ôxq agbx O2 AbycÖ‡ek, Rvib I CO2 m„wó
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ASPECT BIOLOGY wØZxq cÎ  cÖvYxi cwiwPwZ 383

ms‡e`x A½ cÖRbb I iƒcvšÍi †iPbZš¿

 Av‡jvK ms‡e`x A½|  Nvmdwos GKwj½ cÖvYx  Nvmdwos‡qi cÖavb †iPb A½ n‡”Q g¨vjwcwRqvb
 cÖ‡Z¨K cyÄwÿ cÖvq 2,000 (cÖRvwZ‡f‡`  ¯¿x dwos‡qi ey‡Ki IwfcwRUi †`‡L cyiæl m`m¨ Avjv`v Kiv nq| bvwjKv|
1200-1800) lofzRvKvi IgvwUwWqv cys cÖRbbZš¿:  d¨vU e¯‧, BDwi †KvR MÖwš I wKDwUKj I †iP‡b
wb‡q MwVZ| IgvwUwWqv‡gi wb‡¤œv³  GK †Rvov K‡i ïµvkq ïµbvjx, †mwgbvj †fwmKj, mnvqK MÖwš, GKwU mnvqZv K‡i|
(10wU) Ask _v‡K- †ÿcb bvjx I cyiælv½ g¨vjwcwRqvb bvwjKv:
i. KwY©qv  ïµvkq 3q-5g D`ixq LÛ‡Ki A‡š¿i Dci mvBbv‡m Aew¯Z| Avwe®‥viK BZvwjqvb weÁvbx Marcello Malpigli,
ii. KwY©qv‡Rb †Kvl  †ÿcb bvjx 9g D`ixq L‡Û Aew¯Z| 1669 mv‡j|
iii. wµ÷vjvBb †Kvb †Kvl ¯¿x RbbZš¿: GK‡Rvov K‡i wW¤^vkq, wW¤^bvwj, mnvqK MÖwš, GKwU K‡i RbbwQ`ª  njy` e‡Y©i m~² myZvi b¨vq|
iv. wµ÷vjvBb †Kvb I Iwf‡cvwRUi wb‡q MwVZ|  msL¨v 100wU bvwjKv|
v. iÄK/AvBwik AveiY  wW¤^vk‡q 6-8wU wW¤^_wjKv _v‡K|  cÖwZwU 15 wg.wg. j¤^v|
vi. †iwUjybvi †Kvl  †hvbx †`‡ni 7g D`ixq L‡Û Aew¯Z|  gvB‡µvwfjvB eªvk eW©vi MVb K‡i|
vii. i¨ve‡Wvg cÖRbb cÖwµqv: MÖx‡®§i †klw`‡K Gi †h․bwgjb m¤úbœ nq|  †g`cyÄ †iPb wµqvq Ask †bq|
viii. †iwUbvj wm_  Nvm dwos‡qi wWg 3-5 wgwjwgUvi j¤^v (ev`vgx is‡qi)  †Lvjm wb‡g©vPb GK ai‡bi †iPb wµqv|
ix. wfwËc`©v  GKwU ¯¿x dwos `kwU ¸‡”Q 200wU wWg cv‡o| †iPb cÖwµqv:
x. ¯œvqyZš¿  †h․b wgjb I wWg cvovi ci cys I ¯¿x cÖvbx gviv hvq|  g¨vjwcwRqvb bvwjKv wn‡gvwjù n‡Z BDwiqv I
cÖwZwe¤^: Nvmdwos‡qi wW¤^vYy †m‡›Uªv‡jwm_vj ai‡bi| BD‡iUm cvwb I CO2 †kvlY K‡i|
** Zxeª Av‡jvi `k©b †K․kj A¨v‡cvwRkb|  kxZKv‡j cwiùzUb eÜ _v‡K| G mgq Kvj WvqvcR|  bvwjKvi †Mvovi Ask Øviv cUvwkqvg evBKve©‡bU
** g„`y Av‡jvi `k©b †K․kj mycvi  cÂg evi †Lvjm D‡b¥vP‡bi gva¨‡g wbç cwiYZ Nvmdwos n‡q D‡V| I wKQz cvwb wn‡gvwj‡ç cyb‡kvwlZ nq|
cwRkb| (5-6 evi)  cðvr A‡š¿i gjvk‡q AwaKvsk cvwb cyb‡kvwlZ
** A¨v‡cvwRk‡bi Aci bvg †gvRvBK  †Lvjm Z¨vM-‡gvwës nq I cÖvq kvšÍ BDwiK GwmW g‡ji mv‡_
cÖwZwe¤^|  `ywU †gvwës Gi ga¨eZ©x Ae¯v Bb÷vi ev †÷wWqvg| wb®‥vwkZ nq|
(Ref: AvRgj m¨vi, Avjxg m¨vi, gv‡R`v g¨vWvg, KvBqyg m¨vi, nvmvb m¨vi)

 GK bR‡i wKQzÿY  V.V.I DATA AT A GLANCE  g‡b ivL mvivÿY 

 Nvmdwos ÿwZKi cZ½ wn‡m‡e cwiwPwZ|  Nvmdwos j¤^vK…wZi †`nwewkó wØcvk¦©xq cÖwZmg, A‡cÿvK…Z eo AvKv‡ii
 cÖvwY‡`‡n `yÕai‡bi i³ msenb Zš¿ †`Lv hvq- D¤§y³ I e× | GKwU cZ½|
 k¦m‡b i‡³i †Kv‡bv f~wgKv †bB weavq i³msenbZš¿ LyeB AbybœZ|  Nvmdwos Gi †`n KvBwUb wbwg©Z wKDwUKjhy³ Avei‡Y Ave„Z|
 Nvmdwos‡qi ürwcÛ hyM¥ w·Kvbvwewkó A¨vjvwi †cwk Øviv mw¾Z _v‡K|  Nvmdwos GK †Rvov g¨vw·jv, GK‡Rvov g¨vwÛej enb K‡i|
 MÖx‡®§i †k‡li w`‡K Nvmdwos Gi m½g N‡U|  Nvmdwos Gi i³ eY©nxb|
 wWg cvovi ci cyiæl I ¯¿x dwos gviv hvq|  Nvmdwos Gi i³ wn‡gvwm‡ji ga¨ w`‡q cÖevwnZ nq e‡j GwU wn‡gvwjç bv‡g cwiwPZ|
 g¯Í‡Ki ewntK¼vj‡K K¨vcmy¨j Gwc‡µwbqvg e‡j|  cÖwZwU IgvwUwWqv‡gi KwY©qvi wb‡P GK †Rvov KwY©qv‡Rb †Kvl _v‡K|
 cyÄvwÿ `yÕwUi gvSLv‡b †QvU AvKv‡ii I mv`v e‡Y©i wZbwU I‡mjvB _v‡K|  Nvmdwos Gi K‡qKwU cÖRvwZ: Locusta danica, Locusta migratoria,
 Giv g~jZ ms‡e`x (NªvY) A½ wn‡m‡e KvR K‡i| Choroedocus robustus, Oedaleus abruptus, Orthacris elegans.
 G‡`i 10g LÛ‡Ki Dfq cv‡k GKwU K‡i A¨vbvj mviwK _v‡K|  Tettinonidae †Mv‡Îi Nvmdwos j¤^v G‡›Ubvhy³|
 mgMÖ cðvr †c․wóKbvwjwUi †`qv‡j Af¨šÍixY fv‡e KvBwUb wbwg©Z Bw›Ugv we`¨gvb|  Nvmdwos Gi cÖwZ‡`n LЇKi k³ AveiY‡K ejv nq- †¯‥ivBU|
 m¤§yL¯ Pvi †Rvov k¦vmiÜ« evqyi cÖ‡ek wQ`ª I cðv‡Zi Qq †Rvov k¦vmiܪ  Nvmdwos-Gi cÖwZwU cv KZwU L‡Ð wef³- 5wU (K·v, †UªvK¨v›Uvi, wdgvi,
wbM©gb wQ`ª wnmv‡e KvR K‡i| wUweqv I Uvm©vm)|
 Nvm dwos Gi g~j k¦vm A½-UªvwKqv|  Nvmdwos-Gi ¯úBivKj ev k¦vmiÜ«- 10 †Rvov|
 UªvwKqv w¯wZ¯vcK e× bvwjKvwe‡kl Ges ¯^”Q I iæcvi g‡Zv PKP‡K|  Nvmdwos-Gi wn‡gvwm‡j KZwU cÖ‡Kvô ev mvBbvm Av‡Q- 3wU (†cwiKvwW©qvj
 GK mv‡_ GKwU ¯¿x dwos mvaviYZ 20 wU wWg c‡o| GB ¸”Q‡K GMcW e‡j| mvBbvm, †cwiwf‡mivj mvBbvm I †cwiwbDivj mvBbvm)|
 ¯¿x Nvmdwos 10wU ¸‡”Q cÖvq 200wU wbwl³ wWg cv‡o|  Nvmdwos Gi cÖavb †iPb A½- gvjwcwRqvb bvwjKv|
 gyjvi A¨v‡cvwRkb cÖwZwe‡¤^i bvgKiY K‡ib †gvRvBK cÖwZwe¤^|  cyÄvwÿi GKK IgvwUwWqvg hv `k©b GKK wn‡m‡e KvR K‡i|
 †UMwgbv: Nvmdwos Gi cÖ_g †Rvov Wvbv|  †gvRvBK ev G‡cvwRkb cÖwZwe¤^ D¾¡j Av‡jv‡Z MwVZ nq|
 Nvmdwos Av‡_ªv©‡cvWv c‡e©i cZ½ †kÖwYfz³ GKwU mvaviY cÖvYx|  mycvi cwRkb cÖwZwe¤^ Aby¾¡j Av‡jv‡Z MwVZ nq|

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