DELHI IAS ACADEMY T-14

STATE LEVEL OFFLINE/ONLINE

TEST SERIES 2023-24 CGPSC (PRELIMS)
(SUBJECT : General Science, Technology & Environment)
ijh{kkfFkZ; ksa }kjk dkys ckWy ikWb .V isu ls Hkjk tk;A mÙkj&iqfLrdk dk Øekad
ijh{kk dsUnzk /;{k dh eksgj To be filled by Candidates by Black Ball Point pen only Sr.No.of Answer Sheet
Seal of Superintendent of Examination Centre
vuqØekad
ROLL NO

?kks’k.kk % eSau s uhps fn;s x;s funsZ” k vPNh rjg i<+d j le> fy, gSaA
Declaration: I have read and understand the directions given below..

oh{kd ds gLrk{kj ijh{kkFkhZ ds gLrk{kj

(Signature of Candidates)......................................
(Signature of Invigilator)......................................
ijh{kkFkhZ dk uke
(Name of Candidates)...........................................
oh{kd dk uke
fnukad % l e;
(Name of Invigilator)........................................... (Date) .........../........./................. (Time) ..............................

iqfLrdk esa i`’ Bksa dh la[ ;k iqf Lrdk esa iz” uksa dh la[ ;k le; ?ka V s iw. kkZa d
20 100 2 200
Number of Pages in Booklet Number of Questions in Booklet Time Hours Total Marks

ijh{kkfFkZ;ksa ds fy, funsZ”k (Instructions for Candidates)

1- ¼d½ vH;fFkZ;ksa dks vks],e-vkj- mRrj”khV esa izfof’V;k¡ tSls uke] jksy 1. (a) Candidates are allowed time to fill up the basic information
ua- vkfn Hkjus ds fy, vfrfjDr le; fn;k x;k gSA about themselves in the OMR sheet such as Name, Roll No.
¼[k½ bl fn;s x;s le; ds i”pkr~ vH;fFkZ;ksa dks iz”u&iqfLrdk etc.
(b) After this, question booklet will be given to the candidates.
tk;sxhA iz”u iqfLrdk ds i`’Bksa rFkk iz”uksa dh la[;k dk feyku Tally the number of pages along with no. of questions printed
bl eq[k i`’B ij nh xbZ la[;kvksa ls dj ysAa ;fn blesa dksbZ on cover of the booklet in case of any discrepancy please get
fHkUurk gks rks d`i;k iz”u&iqfLrdk rRdky cny ysAa the booklet changed immediately.
¼x½ fn, x, vfrfjDr le; esa mRrj vafdr djus dh vuqefr ugha (c) Answering of question is not allowed in the given extra time.
gSA mRrj vafdr djus ds fy, nks ?kaVs dk le; fn;k tk,xkA Two hours time will be given for answering.
2- ¼d½ nh xbZ mRrj&”khV esa uhys ;k dkys cky ikW b.V isu ls 2. (a) On Answer Sheet, supplied to you write input Roll No.,
vuqØekad] iz”uiqfLrdk dk Øekad] iz”u iqfLrdk dk lsV Que. Booklet No., Set of Question Booklet (A,B,C or D).
Name of Candidate, Signature of candidate, Date of Exam, in
¼A, B, C vFkok D½] ijh{kkFkhZ dk uke] ijh{kkFkhZ ds gLrk{kj rFkk
Blue or Black Ball Point Pen.
ijh{kk dh frfFk] vafdr djsAa (b) On Answer Sheet till in your Roll No., Que. Booklet Set and
¼[k½ mRrj&”khV esa jksy ua-] iz”u iqfLrdk dk lsV] dsUnz dks vkfn Centre Code etc. by darkening corresponding circle O with
lacaf/kr xksys O dks uhys ;k dkys cky ikWb.V isu ls HkjsAa Blue or Black Ball Point Pen.
¼x½ mRrj&”khV esa iz”uksa ds mRrj vafdr djus gSaA bl lac/a k esa (c) On Answer Sheet only the answers to questions are to be
funs”Z k bl iz”u iqfLrdk ds ihNs fn;s x;s gSAa marked. The instructions for this are available on the back
cover page of the question booklet.
3- vkWfIVdy ekdZ jhMj (OMR) e”khu mRrj&”khV dh uhys ;k dkys 3. Optical Mark Reader (OMR) machine prepares the result by reading
cky ikWb.V isu ls Hkjsa xksys O dh izfof’V;ksa dks i<+dj ijh{kkQy the entries made in the circles O will the Blue or Black Ball Point Pen
rS;kj djrh gS] vr% ijh{kkfFkZ;ksa dks lpsr fd;k tkrk gS fd os on the Answer Sheet, hence the candidates must be extremely careful
mRrj&”khV esa izfof’V;ksa dks Hkjrs le; iwjh&iwjh lko/kkuh cjrsa ,oa dksbZ in marking these entries and must not commit errors.
=qfV u djsAa 4. Please do not write mark on Answer Sheet anything extra except
4- mRrj&”khV ij fu/kkZfjr LFkkuksa ij pkgh xbZ izfof’V;k¡ Hkjus ds vykok what is asked for.
dqN u fy[ks@ a vafdr djsAa 5. USE OF ANY CALCULATOR, LOG TABLES, MOBILE
PHONE ETC IS PROHIBITED.
5- fdlh Hkh izdkj ds dSydqyVs j] ykWx Vscy ,oa eksckby Qksu 6. Rough work should be done on the blank pages or in the space
vkfn dk iz;ksx oftZr gSA provided for this on each page of this question booklet. Extra
6- jQ dk;Z bl iz”u&iqfLrdk ds fu/kkZfjr [kkyh i`’Bksa esa vFkok vU; paper will not be supplied.
i`’Bksa esa fu/kkZfjr txgksa ij djsa vfrfjDr i`’B ugha fn;s tk;saxAs 7. If there is any sort of mistakes discrepancy (in Hindi or English
Version of the question) either of printing or of factual nature then
7- ;fn fdlh iz”u esa fdlh izdkj dh dksbZ eqn.z k ;k rF;kRed izdkj regarding this Institute no action will be taken on any type of
dh =qfV gks] rks bl lEcU/k esa laLFkk dk fu.kZ; vfUre gksxkA representation complaint as stated above.
8- ijh{kk lekfIr ds i”pkr~ mDr ds lac/a k esa fdlh Hkh izdkj dk 8. After the completion of the examination, no action will be taken on
vH;kosnu@f”kdk;r ij dksbZ dk;Zokgh ugha dh tk,xhA any representation/complaint regarding the above.
(Note: For Instructions regarding marking the answer please
¼uksV% mRrj vafdr djus ds fy, d`i;k iz”u iqfLrdk ds see the Last page of this question Booklet.)
ihNs doj ist ij fn, x, funs”Z kksa dks ns[ ksa½
DELHI IAS ACADEMY Test-14 Page No.: 1
 iz”uksa ds mRrj nsus lEcU/kh funs”Z k
(Instruction Regarding Method of Answering Questions)

¼d`i;k dkys cky ikWb.V isu dk gh iz;ksx djs½a (Please Use Black Ball Point Pen Only)
1 - mRrj nsus dk rjhdk% 1. Method of Marking Answer
mRrj nsus ds fy;s vks-,e-vkj- mRrj iqfLrdk esa lEcfU/kr iz”u To give an answer, please darken one bubble out of
ds cktw esas fn;s x;s pkj xksyksa esa ls dsoy ,d xksys dks iwjk the given four, in the OMR Answer Sheet against that
dkyk dhft,A question.

2 - ewY;kadu i)fr% 2. Valuation Procedure

izR;sd iz”u ds pkj lEHkkfor mRrj gSa] muesa ls ,d mRrj There are four answers to a question, only one of
them is correct/ nearly correct. 02 marks will be
lgh@yxHkx lgh gSA iz”u dk lgh@yxHkx lgh mRrj
awarded for each correct/ nearly correct answer
vafdr djus ls 02 vad izkIr gksx
a s rFkk xyr mRrj vafdr
and 1/3 mark will be deducted for each wrong an-
djus ij 1@3 vad dkVk tk;sxkA ;fn ,d ls T;knk swer. If more than one bubble are darkened for a
xksys dkys fd;s tkrs gSa rks ;g xyr mRrj ekuk tk;sxkA question, it will be treated as wrong answer.

3 - mRrj “khV oh{kd dks lkSaiuk% 3. Handing over of Answer Sheet to Invigilator:
(i) oh{kd dks mRrj”khV lkSia us ls igys lqfuf”pr dj ysa (i) Please ensure that all the entries in the answer
fd mRrj&”khV ds nksuksa i`’Bksa ij lHkh iwfrZ;k¡ tSls sheet are filled up properly i.e. Name, Roll No.,
uke] jksy&uEcj] gLrk{kj] iz”u&iqfLrdk dk uEcj] Signature, Question Booklet No. etc.
vkfn fu/kkZfjr LFkku ij Bhd&Bhd Hkjs x;s gSaA (ii) Before the limitation of 2 Hours duration while
(ii) 2 ?k.Vs dh le; lhek ds iwoZ ijh{kk gky NksM+rs le; leaving the examination hall, hand over the ques-
iz”u&i= oh{kd ds ikl tek djsaA ;fn vko”;d tion paper to the invigilator. If needed after du-
gqvk rks le; lhek ds i”pkr~ dsUnzk/;{k ls viuk ration of period, you can ask for your question
iz”u&i= okil izkIr dj ldrs gSaA paper from the Centre Superintendent.

4 - mRrj”khV ds mi;ksx esa lko/kkuh % 4. Care in Handing the Answer Sheet.

mRrj”khV dk iz;ksx djrs le; iwjh rjg ls lko/kkuh While using answer sheet adequate care should be
cjrsaA bls QVus] eksM+us ;k lyoV iM+us ls [kjkc u gksus taken about tear or spoil due to folds or wrinkles.
nsaA

DELHI IAS ACADEMY Test-14 Page No.: 2

Q.1. lqesfyr dhft,%& Q.1. Match the following:-
lwph&1 ¼HkkSfrd jkf”k½ lwph&2 ¼SI ek=d½ List-1 (Physical quantity) List-2 (SI unit)
A. nzO;eku 1- ,Eih;j A. Mass 1. Ampere
7B. fo|qr /kkjk 2- dSfYou B. Electric current 2. Kelvin
C. rki 3- ehVj C. Temperature 3. Meter
D. yEckbZ 4- fdyksxkz e D. Length 4. Kilogram
dwV% Code:
A B C D A B C D
(a) 4 1 2 3 (a) 4 1 2 3
(b) 3 4 1 2 (b) 3 4 1 2
(c) 1 2 3 4
(c) 1 2 3 4
(d) 2 4 1 3
Ans: a (d) 2 4 1 3
Sol: A. nzO;eku 1- fdyksxkz e Ans: a
B. fo|qr /kkjk 2- ,Eih;j Sol: A. Mass 1. Kilogram
C. rki 3- dSfYou B. Electric current 2. Ampere
D. yEckbZ 4- ehVj C. Temperature 3. Kelvin
Q.2. flrkj dk oknu ÅtkZ dk :ikarj.k fdl :i esa djrk gS\ D. Length 4. Meter
(a) ;kaf=d ÅtkZ dk /ofu ÅtkZ esa Q.2. In what form does playing the sitar convert energy?
(b) /ofu ÅtkZ dks fo|qr ÅtkZ esa (a) Mechanical energy into sound energy
(c) lkSj ÅtkZ dks fo|qr ÅtkZ esa (b) Sound energy into electrical energy
(d) /ofu ÅtkZ dks ;kaf=d ÅtkZ esa (c) Solar energy into electrical energy
Ans: a (d) Sound energy into mechanical energy
Sol: ;kaf=d ÅtkZ dk /ofu ÅtkZ esa Ans: a
Q.3. fuEu esa ls D;k “kfDr ¼Power½ dks Kkr djus dk lgh lw= Sol: Mechanical energy into sound energy
gS\ Q.3. Which of the following is the correct formula to
determine power?
(a) fd;k x;k dk;Z × nzO;eku
(a) Work done × mass
(b) nzO;eku × foLFkkiu
(b) mass × displacement
(c) fd;k x;k dk;Z @ yxk le;
(c) Work done/time taken
(d) osx esa ifjorZu @ le;
(d) change in velocity/time
Ans: c
Ans: c
Sol: fd;k x;k dk;Z @ yxk le;
Sol: Work done / Time taken
Q.4. ijkJO; rjaxksa ¼Ultrasonic waves½ dh vko`fÙk fdruh gksrh
gS\ Q.4. What is the frequency of ultrasonic waves?
(a) Less than 20 Hz
(a) 20 gVZ~t ls de
(b) 2000 gV~Zt rd (b) Up to 2000 Hz
(c) 20000 gVZ~t ls vf/kd (c) More than 20000 Hz
(d) mijksDr esa ls dksbZ ugha (d) None of the above
Ans: c Ans: c
Sol: 20000 gVZ~t ls vf/kd Sol: Ultrasonic refers to sound having frequency higher than
the upper audible limit of human hearing. It has
Q.5. CySd cksMZ ij pkWd ls fy[kuk fdl cy ds izHkko esa laHko frequency above 20,000 Hz.
gks ikrk gS\ Q.5. Under the influence of which force is it possible to write
(a) llatd cy with chalk on a black board?
(b) vklatd cy (a) cohesive force
(c) i`’B ruko dk cy (b) adhesive force
(d) mijksDr esa ls dksbZ ugha (c) force of surface tension
Ans: b (d) None of the above
Ans: b

DELHI IAS ACADEMY Test-14 Page No.: 3

Sol: CySd cksMZ ij pkWd ds d.kksa ds e/; yxus okys vklatd cy Sol: Writing on the black board is possible only because of
ds dkj.k gh CySd cksMZ ij fy[kuk laHko gksrk gSA the adhesive force between the particles of chalk on
the black board.
Q.6. lM+d ds fdukjs yxs ijkorZd ySEiksa esa fdl niZ.k dk
Q.6. Which mirror is used in reflective lamps installed on the
mi;ksx fd;k tkrk gS\ roadside?
(a) vory niZ.k (b) lery niZ.k (a) Concave mirror
(c) mHk;ksRry (d) mRry niZ.k (b) plane mirror
Ans: d (c) biconvex
Sol: lM+d ds fdukjs yxs ijkorZd ySEiksa esa mRry niZ.k dk (d) convex mirror
mi;ksx fd;k tkrk gS D;ksafd budk n`f’V {ks= vf/kd gksrk Ans: d
gS vkSj ;s izdk”k dks vf/kd ls vf/kd {ks= esa izLkkfjr dj Sol: Convex mirrors are used in roadside reflector lamps
ldrs gSaA because they have a larger field of view and can spread
light over a larger area.
Q.7. ^^izR;sd fØ;k ds cjkcj vkSj foijhr izfrfØ;k gksrh gSA**
Q.7. “For every action there is an equal and opposite
mijksDr dFku fdl fu;e ls lacaf/kr gS\ reaction.” The above statement is related to which law?
(a) U;wVu dk izFke fu;e (a) Newton’s first law
(b) U;wVu dk f}rh; fu;e (b) Newton’s second law
(c) U;wVu dk r`rh; fu;e (c) Newton’s third law
(d) dks.kh; foLFkkiu dk fu;e (d) Law of angular displacement
Ans: c Ans: c
Sol: ^^izR;sd fØ;k ds cjkcj vkSj foijhr izfrfØ;k gksrh gSA** Sol: “For every action there is an equal and opposite
mijksDr dFku U;wVu ds r`rh; fu;e ls lacaf/kr gSA reaction.” The above statement is related to Newton’s
third law.
Q.8. n`”; izdk”k esa fdl jax ds rjax nS/;Z lokZf/kd gksrh gS\
Q.8. Which color has the longest wavelength in visible light?
(a) yky
(a) Red
(b) cSxuh
(b) Purple
(c) uhyk
(c) Blue
(d) gjk (d) Green
Ans: a Ans: a
Sol: n`”; izdk”k esa yky jax dh rjax nS/;Z lokZf/kd ,oa vko`fÙk Sol: In visible light, red color has the highest wavelength
U;wure gksrh gSA and lowest frequency.
Q.9. ,d ehfVªd Vu fdrus fdyksxzke ds cjkcj gksrk gS\ Q.9. One metric ton is equal to how many kilograms?
(a) 100 fdyksxzke (a) 100 kilograms
(b) 1000 fdyks xzke (b) 1000 kg
(c) 10000 fdyksxzke (c) 10000 kilograms
(d) 100000 fdyksxzke (d) 100000 kilograms
Ans: b
Ans: b
Sol: 1 metric ton is equal to 1000 kilograms.
Sol: 1000 fdyks xzke
Q.10. Match the following:-
Q.10. lqesfyr dhft,%&
List-1 List-2
lwph&1 ¼ekid ;a=½ lwph&2 ¼mi;ksx½ (Measuring Instruments) (Uses)
A. vYVhehVj 1- leqnz dh xgjkbZ dk ekiu A. Altimeter 1. Measurement of depth of
B. QSnksehVj 2- ok;q;kuksa rFkk eksVjukoksa dh xfr sea
ekiu B. Fathometer 2. Speed measurement of
C. VSdksehVj 3- Å¡pkbZ ekiu aircraft and motor boats
D. ik;jksehVj 4- mPp rkieku C. Tachometer 3. Altitude measurement
dwV% D. Pyrometer 4. High Temperature
A B C D Code:
(a) 2 4 1 3 A B C D
(b) 3 1 2 4 (a) 2 4 1 3
(c) 3 2 1 4 (b) 3 1 2 4
(d) 2 1 4 3 (c) 3 2 1 4
(d) 2 1 4 3

DELHI IAS ACADEMY Test-14 Page No.: 4

Ans: b Ans: b
Sol: A. vYVhehVj 1- Å¡pkbZ ekiu Sol: A. Altimeter 1. Altitude measurement
B. QSnksehVj 2- leqnz dh xgjkbZ dk ekiu B. Fathometer 2. Measurement of sea depth
C. VSdksehVj 3- ok;q;kuksa rFkk eksVjukoksa dh xfr C. Tachometer 3. Speed measurement of aircraft
ekiu and motor boats
D. ik;jksehVj 4- mPp rkieku D. Pyrometer 4. High Temperature
Q.11. tc ty terk gS] rks bldk ?kuRo& Q.11. When water freezes, its density-
(a) c<+rk gS (a) Increases
(b) leku jgrk gS (b) Remains the same
(c) “kwU; gks tkrk gS (c) Becomes zero
(d) ?kVrk gS (d) Decreases
Ans: d Ans: d
Sol: tc ty terk gS] rks bldk ?kuRo ?kVrk gSA Sol: When water freezes, its density decreases.
Q.12. vory niZ.k esa tc oLrq dh fLFkfr Qksdl ij gks] rks Q.12. In a concave mirror, when the position of the object is
at focus, then where will be the position of the image?
izfrfcEc dh fLFkfr dgka ij gksxh\
(a) at infinity
(a) vuar ij
(b) at the center of curvature
(b) oØrk dsUnz ij
(c) at focus
(c) Qksdl ij
(d) Between focus and center of curvature
(d) Qksdl rFkk oØrk dsUnz ds e/;
Ans: a
Ans: a
Sol: In a concave mirror, when the position of the object is
Sol: vory niZ.k esa tc oLrq dh fLFkfr Qksdl ij gks] rks
at focus, the position of the image will be at infinity.
izfrfcEc dh fLFkfr vuar ij gksxhA
Q.13. Which of the following is not a radioactive element?
Q.13. fuEu esa ls dkSu ,d jsfM;ks/kehZ rRo ugha gS\
(a) Uranium
(a) ;wjfs u;e
(b) Cadmium
(b) dSMfe;e
(c) Radium
(c) jsfM;e
(d) Thorium
(d) Fkksfj;e
Ans: b
Ans: b
Sol: Cadmium is not a radioactive element.
Sol: dSMfe;e ,d jsfM;ks/kehZ rRo ugha gSA
Q.14. Which among the following converts chemical energy
Q.14. jklk;fud ÅtkZ ls fo|qr ÅtkZ esa ifjorZu dks fdl ;qfDr to electrical energy?
ds ek/;e ls n”kkZ;k tk ldrk gS\ (a) Battery
(a) cSVjh (b) Dynamo
(b) Mk;useks (c) Motor
(c) eksVj
(d) Heater
(d) ghVj
Ans: a
Ans: a
Sol: A battery is a device that stores chemical energy and
Sol: cSVjh converts it to electrical energy.
Q.15. ukfHkdh; la;a=ksa esa xzsQkbV dk mi;ksx fdlfy, fd;k tkrk Q.15. What is graphite used for in nuclear plants?
gS\ (a) as fuel
(a) bZa/ku ds :i esa (b) as a lubricant
(b) Lusgd ds :i esa (c) As a moderator
(c) eand ds :i esa (d) All of the above
(d) mijksDr lHkh Ans: c
Ans: c Sol: Graphite has been used as a moderator in nuclear power
Sol: eand ds :i esa plants.
Q.16. fdlh nzo esa v”kqf) feykus ij mlds DoFkukad ij D;k izHkko Q.16. What effect does adding impurities to a liquid have on
iM+rk gS\ its boiling point?
(a) DoFkukad c<+rk gSA (a) Boiling point increases.

DELHI IAS ACADEMY Test-14 Page No.: 5

 (b) DoFkukad ?kVrk gSA (b) Boiling point decreases.
(c) DoFkukad vifjofrZr jgrk gSA (c) The boiling point remains unchanged.
(d) DoFkukad igys c<+sxk fQj ?kVsxk (d) The boiling point will first increase and then
Ans: a decrease
Sol: v”kqf) feykus ij nzo dk DoFkukad c<+ tkrk gSA Ans: a
Q.17. fdlh ifjiFk esa foHkokarj ,oa /kkjk ds chp laca/kksa dk o.kZu Sol: The boiling point of a liquid increases when impurities
are added.
djus okys fu;e dks D;k dgk tkrk gS\
Q.17. What is the law describing the relationship between
(a) foHkokarj fu;e
potential difference and current in a circuit called?
(b) izfrjks/k fu;e
(a) Potential difference law
(c) vkse dk fu;e
(b) Resistance law
(d) vfrpkyd dk fu;e
(c) Ohm’s law
Ans: c
(d) Law of superconductor
Sol: vkse dk fu;e V = IR
Ans: c
Q.18. fpfdRlk ds {ks= esa dh tkus okyh ,.MksLdksih izfØ;k esa
Sol: The law which gives a relation between electric potential
izdk”k ds fdl xq.k dk mi;ksx fd;k tkrk gS\ difference and electric current is called the Ohm's Law.
(a) iw.kZ vkarfjd ifjorZu Ohm’s law, V = IR
(b) izdk”k dk viorZu Q.18. Which property of light is used in the endoscopy
(c) izdk”k dk fo{ksi.k procedure done in the field of medicine?
(d) izdk”k dk izdh.kZu (a) Total Internal Reflection
Ans: a (b) Refraction of light
Sol: ,.MksLdksih izfØ;k esa iw.kZ vkarfjd ifjorZu dh ?kVuk }kjk (c) Dispersion of light
“kjhj ds vkarfjd vaxksa dk fp= izkIr fd;k tkrk gSA (d) scattering of light
Q.19. yky iq’i dks tc uhys fQYVj ls ns[kk tkrk gS] rks ;g Ans: a
dkSu&ls jax dk fn[kkbZ nsxk\ Sol: In the process of endoscopy, the picture of the internal
(a) yky organs of the body is obtained by the phenomenon of
(b) dkyk Total Internal Reflection.
(c) gjk Q.19. When a red flower is viewed through a blue filter, what
color will it appear?
(d) uhyk
(a) red
Ans: b
(b) black
Sol: yky iq’i dks tc uhys fQYVj ls ns[kk tkrk gS] rks ;g dkys
(c) green
jax dk fn[kkbZ nsxkA
(d) blue
Q.20. tyrs gq, fo|qr cYc ds rarq dk rki lkekU;r% fdruk gksrk
Ans: b
gS\
Sol: When a red flower is viewed through a blue filter, it will
(a) 50 ls 100 fMxzh lsfYl;l
appear black.
(b) 100 ls 1000 fMxzh lsfYl;l
Q.20. What is the maximum working temperature of the
(c) 1000 ls 1500 fMxzh lsfYl;l filament of an electric bulb?
(d) 2000 ls 2500 fMxzh lsfYl;l (a) 50 to 100 degrees Celsius
Ans: d (b) 100 to 1000 degrees Celsius
Sol: 2000 ls 2500 fMxzh lsfYl;l (c) 1000 to 1500 degrees Celsius
Q.21. leqnzh ty ls ued cukus dh izfØ;k esa fdl fof/k dk (d) 2000 to 2500 degrees Celsius
mi;ksx fd;k tkrk gS\ Ans: d
(a) vklou Sol: 2000 to 2500 degrees Celsius
(b) ok’ihdj.k Q.21. Which method is used in the process of making salt
(c) ØkseV
S ksxkz Qh from sea water?
(d) la?kuu (a) Distillation
(b) Evaporation
(c) Chromatography
(d) Condensation

DELHI IAS ACADEMY Test-14 Page No.: 6

Ans: b Ans: b
Sol: leqnzh ty ls ued cukus dh izfØ;k esa ok’ihdj.k fof/k dk Sol: Evaporation method is used in the process of making
mi;ksx fd;k tkrk gSA salt from sea water.
Q.22. fuEufyf[kr dFkuksa ij fopkj dhft, ,oa lR; dFku dk Q.22. Consider the following statements and choose the
correct statement-
p;u dhft,&
1. The electron was discovered by Rutherford.
1- bysDVªkWu dh [kkst jnjQksMZ }kjk dh xbZ FkhA
2. Proton was discovered by J.J. Thomson.
2- izksVkWu dh [kkst ts-ts- FkkWelu us dh FkhA
3. Neutron was discovered by Chadwick.
3- U;wVªkWu dh [kkst pSMfod us dh FkhA
Code:
dwV %
(a) only 3
(a) dsoy 3
(b) 1 and 3 only
(b) dsoy 1 vkSj 3
(c) 2 and 3 only
(c) dsoy 2 vkSj 3
(d) All of the above
(d) mijksDr lHkh
Ans: a
Ans: a
Sol: Electron was discovered by J.J Thomson and Proton
Sol: bysDVªkWu dh [kkst ts-ts FkkWelu }kjk ,oa izksVªkWu dh [kkst was discovered by Rutherford.
jnjQksMZ us dh FkhA Q.23. What would you call the phenomenon of camphor
Q.23. diwj dks gok esa j[kus ij dqN le; ckn vi?kfVr gks tkus decomposing after some time when kept in air?
dh ifj?kVuk dks D;k dgsaxs\ (a) Sublimation
(a) m/oZikru (b) Diffusion
(b) folj.k (c) Radiation
(c) fofdj.k (d) Evaporation
(d) ok’ihdj.k Ans: a
Ans: a Sol: A sample of any of the following substances disappears
Sol: m/oZikru after sometime when exposed to the air like camphor,
naphthalene, or dry ice. This phenomenon is called
Q.24. jsr vkSj ty dk feyuk fdl izdkj dk ifjorZu iznf”kZr
Sublimation.
djrk gS\ Q.24. What kind of change does the mixing of sand and water
(a) jklk;fud ifjorZu show?
(b) HkkSfrd ifjorZu (a) chemical change
(c) vkWDlhdkjd ifjroZu (b) physical change
(d) vodkjd ifjorZu (c) Oxidative change
Ans: b (d) reducing change
Sol: HkkSfrd ifjorZu Ans: b
Q.25. ,sls vk;u] ftlesa bysDVªkWfudksa dh la[;k leku gksrh gS] D;k Sol: physical change
dgykrs gSa\ Q.25. What are such ions, which have the same number of
(a) le bysDVªkWfud electrons, called?
(b) le U;wVªkWfud (a) Isoelectronic species
(c) leHkkfjd (b) Isotones
(d) leLFkkfud (c) Isobar
Ans: a (d) Isotope
Sol: ,sls vk;u] ftlesa bysDVªkWfudksa dh la[;k leku gksrh gS le Ans: a
bysDVªkWfud dgykrs gSa] tSls Na+, Mg++ Sol: Such ions, in which the number of electrons is equal,
Q.26. fuEu esa ls dkSu&lk ,d jklk;fud ifjorZu dk mnkgj.k are called isIsoelectronic species, like Na+, Mg++
ugha gS\ Q.26. Which of the following is not an example of a chemical
change?
(a) [kkuk iduk
(a) cooking
(b) nw/k ls ngh dk cuuk
(b) Making curd from milk
(c) “kjkc dk cuuk
(c) Making of alcohol
(d) phuh dk ikuh esa ?kqyuk
(d) Dissolving of sugar in water
Ans: d
Ans: d

DELHI IAS ACADEMY Test-14 Page No.: 7

Sol: phuh dk ikuh esa ?kqyuk ,d HkkSfrd ifjorZu dk mnkgj.k gSA Sol: Dissolving sugar in water is an example of physical
Q.27. izksfV;e dk lw= D;k gS\ change.
(a) 1H1 Q.27. What is the formula of protium?
(b) 1H2 (a) 1H1
(c) 1H3 (b) 1H2
(d) H2 (c) 1H3
Ans: a (d) H2
Sol: izksfV;e gkbMªkstu dk izkd`frd leLFkkfud gS] ftlesa ,d Ans: a
bysDVªkWu rFkk ,d izksVªkWu gksrk gS ,oa U;wVªkWu mifLFkr ugha Sol: Protium is the natural isotope of hydrogen, which has
one electron and one proton and neutron is not present.
gksrkA
Q.28. What is the name of the element found in abundance in
Q.28. HkwiZiVh esa cgqrk;r esa ik;s tkus okys rRo dk uke D;k gS\ the earth’s crust?
(a) flfydkWu (a) Silicon
(b) ,Y;wfefu;e (b) Aluminum
(c) yksgk (c) Iron
(d) vkWDlhtu (d) Oxygen
Ans: d Ans: d
Sol: Hkwii
Z Vh esa cgqrk;r esa ik;s tkus okys rRo dk uke vkWDlhtu gSA Sol: The element found in abundance in the earth’s crust is
Q.29. ihry fuEu esa ls fdldk feJ.k gS\ Oxygen.
(a) tLrk $ rkack Q.29. Brass is a mixture of which of the following?
(a) Zinc + Copper
(b) fVu $ rkack
(b) Tin + Copper
(c) fVu $ tLrk
(c) Tin + Zinc
(d) rkack $ yksgk
(d) Copper + Iron
Ans: a
Ans: a
Sol: ihry tLrk $ rkack dk feJ.k gSA Sol: Brass is a mixture of Zinc + Copper.
Q.30. fQVdjh }kjk xans ikuh dks fdl izfØ;k }kjk LoPN fd;k Q.30. By which process is dirty water cleaned by alum?
tkrk gS\ (a) Absorption
(a) vo”kks’k.k (b) Coagulation
(b) Ldanu (c) Dialysis
(c) viksgu (d) Adsorption
(d) vf/k”kks’k.k Ans: b
Ans: b Sol: Coagulation is a process of aggregation or accumulation
of colloidal particles to settle down as a precipitate.
Sol: Ldanu
Q.31. Match the following:-
Q.31. lqefs yr dhft,%&
List-1 (Acid) List-2 (Uses)
lwph&1 ¼vEy½ lwph&2 ¼mi;ksx½
A. Tartaric acid 1. In making soft drinks
A. VkVZfjd vEy 1- “khry is; cukus esa B. Acetic acid 2. In making baking powder
B. ,flfVd vEy 2- csfdax ikmMj cukus esa C. Carbonic acid 3. In preservation of food items
C. dkcksfZ ud vEYk 3- [kk| inkFkksZa ds laj{k.k esa D. Formic acid 4. In making pickles
D. QkWfeZd vEy 4- vkpkj cukus esa Code:
dwV% A B C D
A B C D (a) 2 4 1 3
(a) 2 4 1 3 (b) 2 1 4 3
(b) 2 1 4 3
(c) 1 2 4 3
(c) 1 2 4 3
(d) 2 1 3 4
(d) 2 1 3 4
Ans: a
Ans: a
Sol: A. Tartaric acid 1. In making baking powder
Sol: A. VkVZfjd vEy 1- csfdax ikmMj cukus esa
B. Acetic acid 2. In making pickles
B. ,flfVd vEy 2- vkpkj cukus esa
C. Carbonic acid 3. In making soft drinks
C. dkcksfZ ud vEYk 3- “khry is; cukus esa D. Formic acid 4. In preservation of food items
D. QkWfeZd vEy 4- [kk| inkFkksZa ds laj{k.k esa

DELHI IAS ACADEMY Test-14 Page No.: 8

Q.32. lqesfyr dhft,%& Q.32. Match the following:-
lwph&1 lwph&2 List-1 List-2
¼jklk;fud inkFkZ½ ¼jklk;fud lw=½ (chemical substance) (chemical formula)
A. dkfLVd lksMk 1- NaHCO3 A. Caustic Soda 1. NaHCO3
B. fojatd pw.kZ 2- Na2CO3 B. Bleaching powder 2. Na2CO3
C. csfdax lksMk 3- NaOH C. Baking Soda 3. NaOH
D. okf”kax lksMk 4- CaOCl2 D. Washing Soda 4. CaOCl2
dwV% Code:
A B C D A B C D
(a) 2 1 4 3 (a) 2 1 4 3
(b) 2 4 1 3 (b) 2 4 1 3
(c) 3 4 1 2 (c) 3 4 1 2
(d) 3 2 4 1 (d) 3 2 4 1
Ans: c Ans: c
Sol: A. dkfLVd lksMk 1- NaOH Sol: A. Caustic Soda 1. NaOH
B. fojatd pw.kZ 2- CaOCl2 B. Bleaching powder 2. CaOCl2
C. csfdax lksMk 3- NaHCO3 C. Baking Soda 3. NaHCO3
D. okf”kax lksMk 4- Na2CO3 D. Washing Soda 4. Na2CO3
Q.33. vk¡lw dk pH D;k gksrk gS\ Q.33. What is the pH of tears?
(a) 7-4 (a) 7.4
(b) 6 (b) 6
(c) 9-5 (c) 9.5
(d) 2-3 (d) 2.3
Ans: a Ans: a
Sol: vk¡lw dk pH 7-4 gksrk gSA Sol: The pH of tears is 7.4.
Q.34. ty dh vLFkk;h dBksjrk fdlds dkj.k gksrh gS\ Q.34. What causes temporary hardness of water?
(a) dSfY”k;e vkSj eSXuhf”k;e ds ckbZdkcksZusV (a) Bicarbonate of calcium and magnesium
(b) eSXuhf”k;e ds lYQsV (b) Magnesium sulphate
(c) dSfY”k;e ds DyksjkbV (c) Calcium chlorite
(d) lksfM;e dkcksu
Z sV (d) Sodium carbonate
Ans: a Ans: a
Sol: ty dh vLFkk;h dBksjrk dSfY”k;e vkSj eSXuhf”k;e ds Sol: Temporary hardness of water is caused by bicarbonates
ckbZdkcksZusV ds dkj.k gksrh gSA of calcium and magnesium.
Q.35. fuEu esas ls fdldk mi;ksx v)Zpkyd fuekZ.k esa fd;k tkrk Q.35. Which of the following is used in semiconductor
gS\ manufacturing?
(a) flfydkWu (a) Silicon
(b) eSXuhf”k;e (b) Magnesium
(c) ySM (c) Lead
(d) QkWLQksjl (d) phosphorus
Ans: a Ans: a
Sol: flfydkWu dk mi;ksx v)Zpkyd fuekZ.k esa fd;k tkrk gSA Sol: Silicon is used in semiconductor manufacturing.
Q.36. lqesfyr dhft,%& Q.36. Match the following:-
lwph&1 ¼v;Ld½ lwph&2 ¼;kSfxd laxBu½ List-1 (Ores) List-2 (Compound)
A. MksyksekbV 1- Na3AlF6 A. Dolomite 1. Na3AlF6
B. eSXuslkbV 2- MgCO3 B. Magnesite 2. MgCO3
C. dksjM
a e 3- Al2O3 C. Corundum 3. Al2O3
D. Øk;ksykbV 4- CaMg(CO3)2 D. Cryolite 4. CaMg(CO3)2
dwV% Code:

DELHI IAS ACADEMY Test-14 Page No.: 9

 A B C D A B C D
(a) 4 2 3 1 (a) 4 2 3 1
(b) 4 3 1 2 (b) 4 3 1 2
(c) 3 1 2 4 (c) 3 1 2 4
(d) 1 2 4 3 (d) 1 2 4 3
Ans: a Ans: a
Sol: A. MksyksekbV 1- CaMg(CO3)2 Sol: A. Dolomite 1. CaMg(CO3)2
B. eSXuslkbV 2- MgCO3 B. Magnesite 2. MgCO3
C. dksjM
a e 3- Al2O3 C. Corundum 3. Al2O3
D. Øk;ksykbV 4- Na3AlF6 D. Cryolite 4. Na3AlF6

Q.37. fuEufyf[kr dFkuksa ij fopkj dhft, ,oa lR; dFku dk Q.37. Consider the following statements and choose the correct
p;u dhft,& statement-
1- pkanh dh fo|qr pkydrk Kkr rRoksa esa lokZf/kd gksrh gSA 1. The electrical conductivity of silver is the highest
among the known elements.
2- pkanh dh Å’eh; pkydrk lHkh Kkr rRoksa esa lokZf/kd
2. The thermal conductivity of silver is the highest
gksrh gSA
among all known elements.
dwV %
Code:
(a) dsoy 1
(a) only 1
(b) dsoy 2
(b) only 2
(c) 1 vkSj 2 nksuksa
(c) Both 1 and 2
(d) u rks 1 vkSj u gh 2
(d) Neither 1 nor 2
Ans: c
Ans: c
Sol: mi;ZqDr nksuksa dFku lR; gSA
Sol: Both the above statements are correct.
Q.38. fuEu esa ls dkSu&lh ,d mRd`’V xSl ugha gS\
Q.38. Which of the following is not a noble gas?
(a) ghfy;e
(a) Helium
(b) fu;ksu
(b) Neon
(c) czksehu
(c) Bromine
(d) vkxZu
(d) Argon
Ans: c
Ans: c
Sol: czksehu ,d nzo gS] vU; lHkh mRd`’V xSlsa gSaA
Sol: Bromine is a liquid, all others are noble gases.
Q.39. ouLifr rsyksa ds gkbMªkt
s uhdj.k esa fdl mRizsjd dk mi;ksx
Q.39. Which catalyst is used in hydrogenation of vegetable
fd;k tkrk gS\ oils?
(a) tLrk
(a) Zinc
(b) fufdy
(b) nickel
(c) yksgk
(c) Iron
(d) Øksfe;e
(d) Chromium
Ans: b
Ans: b
Sol: ouLifr rsyksa ds gkbMªkstuhdj.k esa fufdy mRizsjd dk
Sol: Nickel catalyst is used in hydrogenation of vegetable
mi;ksx fd;k tkrk gSA oils.
Q.40. eksukstkbV fdldk v;Ld gksrk gS\ Q.40. Monazite is whose ore?
(a) Fkksfj;e (a) Thorium
(b) tdksfZ u;e (b) Zirconium
(c) VkbVsfu;e (c) Titanium
(d) ,Y;wfefu;e (d) Aluminum
Ans: a Ans: a
Sol: eksukstkbV Fkksfj;e dk v;Ld gksrk gSA Sol: Monazite is an ore of Thorium.

DELHI IAS ACADEMY Test-14 Page No.: 10

Q.41. lqesfyr dhft,%& Q.41. Match the following:-
lwph&1 ¼mi”kk[kk,¡½ lwph&2 ¼fo’k;½ List-1 (Sub-branches) List-2 (Subjects)
A. isfy;ksck;ksykWth 1- dhVksa dk v/;;u A. Paleobiology 1. Study of insects
B. ,sxzksLVksykWth 2- o`)koLFkk dk v/;;u B. Agrostology 2. Study of old age
C. ,aVkseksykWth 3- thok”e v/;;u C. Entomology 3. Fossil study
D. tsjksUVksykWth 4- ?kkl dk v/;;u D. Gerontology 4. Study of grass
dwV% Code:
A B C D A B C D
(a) 2 4 1 3 (a) 2 4 1 3
(b) 3 4 2 1 (b) 3 4 2 1
(c) 3 4 1 2 (c) 3 4 1 2
(d) 4 3 1 2 (d) 4 3 1 2
Ans: c Ans: c
Sol: A. isfy;ksck;ksykWth 1- thok”e v/;;u Sol: A. Paleobiology 1. Study of fossils
B. ,sxzksLVksykWth 2- ?kkl dk v/;;u B. Agrostology 2. Study of grass
C. ,aVkseksykWth 3- dhVksa dk v/;;u C. Entomology 3. Study of insects
D. tsjksUVksykWth 4- o`)koLFkk dk v/;;u D. Gerontology 4. Study of old age
Q.42. ykbdsu eq[;r% fdlds lgp;Z ds ifj.kke Lo:i curs gSa\ Q.42. Lichens are mainly formed as a result of the association
(a) “kSoky rFkk dod of?
(b) dod rFkk thok.kq (a) Algae and fungus
(c) thok.kq rFkk fo’kk.kq (b) Fungi and bacteria
(d) “kSoky rFkk thok.kq (c) Bacteria and viruses
Ans: a (d) algae and bacteria
Sol: ykbdsu eq[;r% “kSoky rFkk dod ds lgp;Z ds ifj.kke Ans: a
Lo:i curs gSaA Sol: Lichens are mainly formed as a result of the association
of Algae and Fungi.
Q.43. lsjhdYpj dk laca/k fdlls gS\ Q.43. What is Sericulture related to?
(a) bekjrh ydfM+;ksa ls (a) Timber
(b) yk[k ls (b) Lac
(c) js”ke ls (c) Silk
(d) eksrh ls (d) Pearl
Ans: c Ans: c
Sol: lsjhdYpj ds varxZr js”ke dhV dk ikyu fd;k tkrk gS] Sol: Under sericulture, silkworms are reared, which produces
natural silk.
ftlls izkd`frd js”ke dk mRiknu gksrk gSA
Q.44. Which of the following organelles are not found in plant
Q.44. fuEu esa ls dkSu&ls dksf”kdkax ikni dksf”kdk esa ugha ik;s
cells?
tkrs gSa\ (a) cell wall
(a) dksf”kdk fHkfRr
(b) vacuole
(b) jl/kkuh
(c) Centrosome
(c) rkjddk;
(d) endoplasmic reticulum
(d) var%iznzO;h tkfydk
Ans: c
Ans: c
Sol: Centrosome are not found in plant cells.
Sol: rkjddk; ;k lsUVªkse ikni dksf”kdk esa ugha ik, tkrsA
Q.45. Match the following:-
Q.45. lqesfyr dhft,%&
List-1 (Organism) List-2 (Chromosomes)
lwph&1 ¼tho½ lwph&2 ¼xq.klw=½
A. Mosquito 1. 44 chromosomes
A. ePNj 1- 44 xq.klw=
B. Cat 2. 46 chromosomes
B. fcYyh 2- 46 xq.klw=
C. Rabbit 3. 38 chromosomes
C. [kjxks”k 3- 38 xq.klw=
D. Human 4. 6 chromosomes
D. euq’; 4- 12 xq.klw=

DELHI IAS ACADEMY Test-14 Page No.: 11

 dwV% Code:
A B C D A B C D
(a) 1 2 4 3 (a) 1 2 4 3
(b) 4 3 1 2 (b) 4 3 1 2
(c) 1 4 3 2 (c) 1 4 3 2
(d) 4 1 3 2 (d) 4 1 3 2
Ans: b Ans: b
Sol: A. ePNj 1- 12 xq.klw= Sol: A. Mosquito 1. 6 chromosomes
B. fcYyh 2- 38 xq.klw= B. Cat 2. 38 chromosomes
C. [kjxks”k 3- 44 xq.klw= C. Rabbit 3. 44 chromosomes
D. euq’; 4- 46 xq.klw= D. Human 4. 46 chromosomes
Q.46. fuEufyf[kr dFkuksa ij fopkj dhft, ,oa lR; dFku dk Q.46. Consider the following statements and choose the
p;u dhft,& correct statement-
1- DyksjksIykLV esa Mh-,u-,- ik;k tkrk gSA 1. DNA is found in chloroplast.
2- ekbVksdkWfUMª;k esa Mh-,u-,- ik;k tkrk gSA 2. DNA is found in mitochondria.
3- dsUnzd esa Mh-,u-,- ik;k tkrk gSA 3. DNA is found in the nucleus.
dwV % Code:
(a) dsoy 1 vkSj 3 (a) 1 and 3 only
(b) dsoy 2 vkSj 3 (b) 2 and 3 only
(c) mijksDr esa ls dksbZ ugha (c) None of the above
(d) mijksDr lHkh (d) All of the above
Ans: d Ans: d
Sol: mijksDr lHkh dFku lR; gSA Sol: All the above statements are correct.
Q.47. DyksjksfQy esa dkSu&lh /kkrq ikbZ tkrh gS\ Q.47. Which metal is found in chlorophyll?
(a) vk;ju (a) Iron
(b) ftad (b) Zinc
(c) eSXuhf”k;e (c) Magnesium
(d) iksVsf”k;e (d) potassium
Ans: c Ans: c
Sol: DyksjksfQy esa eSXuhf”k;e /kkrq mifLFkr gksrh gSA Sol: Magnesium metal is present in chlorophyll.
Q.48. Mh-,u-,- esa mifLFkr “kdZjk dkSu&lh gksrh gS\ Q.48. Which sugar is present in DNA?
(a) Xywdksl (a) Glucose
(b) ÝDVkst (b) Fructose
(c) jkbckst (c) Ribose
(d) Mh vkWDlh jkbckst (d) Deoxyribose
Ans: d Ans: d
Sol: Mh-,u-,- esa mifLFkr “kdZjk Mh vkWDlh jkbckst gksrh gSA Sol: Deoxyribose sugar is present in DNA.
Q.49. fuEufyf[kr esa ls lthoksa ds D;k y{k.k gSa\ Q.49. Which of the following are characteristics of living
1- thonzO; beings?
2- dksf”kdh; lajpuk 1. Protoplasm
3- mikip; 2. Cellular structure
4- iztuu 3. Metabolism
dwV % 4. Reproduction
(a) dsoy 1 vkSj 2 Code:
(b) dsoy 2 vkSj 3 (a) 1 and 2 only
(c) dsoy 1] 2 vkSj 3 (b) 2 and 3 only
(d) 1] 2] 3 vkSj 4 (c) 1, 2 and 3 only
Ans: d (d) 1, 2, 3 and 4
Ans: d

DELHI IAS ACADEMY Test-14 Page No.: 12

Sol: mijksDr lHkh Sol: All of the above
Q.50. ikS/kksa esa ik;h tkus okyh f}rh;d o`f) lkekU;r% fdl Ård Q.50. Secondary growth found in plants is generally found in
esa izkIr gksrh gS\ which tissue?
(a) dSfa c;e (a) Cambium
(b) Ldysju s dkbek (b) sclerenchyma
(c) ¶yks,e (c) phloem
(d) iSjsudkbek (d) parenchyma
Ans: a Ans: a
Sol: dSfa c;e dh fØ;k”khyrk ds dkj.k ikS/kksa dh eksVkbZ esa o`f) Sol: Due to the activity of cambium, the thickness of the
plants increases, which is called secondary growth.
gksrh gS] ftls f}rh;d o`f) dgrs gSaA
Q.51. What is the connective tissue that connects two bones
called?
Q.51. nks vfLFk;ksa dks tksM+us okys la;ksth Ård D;k dgykrs gSa\
(a) tendon
(a) VsaMu
(b) Ligament
(b) fyxkesaV
(c) Skeletal tissue
(c) dadkyh; Ård
(d) cartilage
(d) dkVhZyst
Ans: b
Ans: b
Sol: The work of connecting two bones is done by a dense
Sol: nks vfLFk;ksa dks tksM+us dk dk;Z ,d ?kus rarqe; la;ksth fibrous connective tissue, which is called ligaments.
Ård ds }kjk fd;k tkrk gS] ftls fyxkesaV~l dgrs gSaA Q.52. Which is the muscular tissue found in the alimentary
Q.52. vkgkj uky esa ik;h tkus okyh is”kh Ård dkSu&lh gksrh gS\ canal?
(a) vjsf[kr is”kh (a) unstriated muscle
(b) jsf[kr is”kh (b) striated muscle
(c) g`n;d is”kh (c) cardiac muscle
(d) mikfLFk is”kh (d) cartilage muscle
Ans: a Ans: a
Sol: vjsf[kr ;k vuSfPNd isf”k;ksa dk ladqpu tho ds bPNk/khu Sol: The contraction of non-linear or involuntary muscles is
ugha gksrkA vkgkj uky esa Hkkstu dk izokg blh is”kh ds not under the will of the organism. The flow of food in
ladqpu ,oa izlkj ds dkj.k gksrk gSA the alimentary canal occurs due to the contraction and
Q.53. fuEufyf[kr dFkuksa ij fopkj dhft, ,oa lR; dFku dk expansion of this muscle.
p;u dhft,& Q.53. Consider the following statements and choose the
correct statement-
1- ekuo jDr esa IykTek dk izfr”kr yxHkx 55 ls 60 gksrk
1. The percentage of plasma in human blood is about
gSA 55 to 60.
2- :f/kj esa vkWDlhtu dk ifjogu ,d izksVhu }kjk fd;k 2. Oxygen is transported in the blood by a protein.
tkrk gSA 3. Blood group O is called public acceptor.
3- jDr lewg O dks lkoZtfud xzg.kdrkZ dgk tkrk gSA Code:
dwV % (a) 1 and 2 only
(a) dsoy 1 vkSj 2
(b) 2 and 3 only
(b) dsoy 2 vkSj 3
(c) 1 and 3 only
(c) dsoy 1 vkSj 3
(d) All of the above
(d) mijksDr lHkh
Ans: a
Ans: a
Sol: Blood group O is called public donor.
Sol: jDr lewg O dks lkoZtfud nkrk dgk tkrk gSA
Q.54. Which of the following vitamins is helpful in wound
Q.54. fuEu esa ls dkSu&lk foVkfeu ?kko Hkjus esa lgk;d gksrk gS\ healing?
(a) foVkfeu A (a) Vitamin A
(b) foVkfeu B (b) Vitamin B
(c) foVkfeu C (c) Vitamin C
(d) foVkfeu E (d) Vitamin E
Ans: c Ans: c

DELHI IAS ACADEMY Test-14 Page No.: 13

Sol: foVkfeu C ?kko Hkjus esa lgk;d gksrs gSaA Sol: Vitamin C helps in wound healing.
Q.55. Xywdkst+ dk Xykbdkstu esa ifjorZu D;k dgykrk gS\ Q.55. What is the conversion of glucose into glycogen called?
(a) Xykbdkstsusfll (a) Glycogenesis
(b) Xykbdksfu;kstsusfll (b) Glyconeogenesis
(c) Xykbdksftuksykbfll (c) Glycogenolysis
(d) Xykbdksfll (d) Glycosis
Ans: a Ans: a
Sol: ;d`r dksf”kdk,¡ vfrfjDr Xywdkst+ dks balqfyu gkeksZu dh Sol: Liver cells convert excess glucose into glycogen with
lgk;rk ls Xykbdkstu esa cny nsrh gSA ;g fØ;k the help of insulin hormone. This process is called
glycogenesis.
Xykbdkstsusfll dgykrh gSA
The process of converting stored glycogen back into
lafpr Xykbdkstu dks iqu% Xywdkst+ esa cnyus dh izfØ;k
glucose is called glycogenolysis.
Xykbdksftuksykbfll dgykrh gSA
Glyconeogenesis – synthesis of glucose from
Xykbdksfu;kstus fs ll &dkcksZgkbMªsV ds vykok vU; inkFkksZa ls substances other than carbohydrates
Xywdkst+ dk la”ys’k.k
Q.56. lqesfyr dhft,%& Q.56. Match the following:-
lwph&1 ¼foVkfeu½ lwph&2 ¼deha ls gksus okys jksx½ List-1 (Vitamins) List-2 (Deficiency diseases)
A. foVkfeu B 1- elwM+ksa ls [kwu vkuk A. Vitamin B 1. Bleeding gums
B. foVkfeu C 2- jrkS/a kh B. Vitamin C 2. Night blindness
C. foVkfeu A 3- csjh&csjh C. Vitamin A 3. Beri-Beri
D. foVkfeu D 4- fjdsV~l D. Vitamin D 4. Rickets
dwV% Code:
A B C D
A B C D
(a) 3 1 2 4
(a) 3 1 2 4
(b) 3 2 1 4
(b) 3 2 1 4
(c) 2 1 3 4
(c) 2 1 3 4
(d) 1 2 3 4
(d) 1 2 3 4
Ans: a
Ans: a
Sol: A. foVkfeu B 1- csjh&csjh Sol: A. Vitamin B 1. Beri-Beri
B. foVkfeu C 2- elwM+ksa ls [kwu vkuk B. Vitamin C 2. Bleeding gums
C. foVkfeu A 3- jrkS/a kh C. Vitamin A 3. Night blindness
D. foVkfeu D 4- fjdsV~l D. Vitamin D 4. Rickets
Q.57. ikjfdUlu jksx euq’; ds fdl vax ls lacaf/kr gksrk gS\
Q.57. Parkinson’s disease is related to which part of human
(a) g`n; being?
(b) efLr’d (a) heart
(c) eq[k (b) brain
(d) jDr (c) mouth
Ans: b (d) blood
Sol: ikjfdUlu jksx euq’; ds efLr’d ls lacaf/kr jksx gS] ftlesa Ans: b
U;wjkWu dh gkfu ds dkj.k vaxksa esa daiUu ,oa ;knnk”r Sol: Parkinson’s disease is a disease related to the human
detksj gks tkrh gSA brain, in which due to loss of neurons, tremors in the
Q.58. fuEufyf[kr fo”ks’krk,¡ fdl jklk;fud inkFkZ dh fo”ks’krkvksa body parts and memory become weak.
ls lacaf/kr gSa\ Q.58. The following characteristics are related to the
1- budk vkf.od Hkkj de gksrk gSA characteristics of which chemical substance?
2- jklk;fud fØ;kvksa esa Hkkx ysdj fo?kfVr gksus ds i”pkr~ 1. Their molecular weight is low.
budk iqu% iz;ksx ugha fd;k tk ldrkA 2. After taking part in chemical reactions and getting
decomposed, they cannot be reused.
3- budk L=ko.k dsoy var%L=koh xzafFk;ksa ds ek/;e ls
3. Their secretion occurs only through endocrine
gksrk gSA
glands.
(a) ,Utkbe
(a) enzyme

DELHI IAS ACADEMY Test-14 Page No.: 14

 (b) gkeksZu (b) hormones
(c) jDr (c) blood
(d) yfldk (d) lymph
Ans: b Ans: b
Sol: mijksDr fo”ks’krk,¡ gkeksZu ls lacaf/kr gSaA Sol: The above characteristics are related to hormones.
Q.59. risfnd ;k {k; jksx ds dkjd D;k gSa\ Q.59. What are the causes of tuberculosis?
(a) ekbØkscSfDVfj;e V~;wcjD;wyksfll (a) Mycobacterium tuberculosis
(b) cksMZV
s syk ijVwfll (b) Bordetella pertussis
(c) dksjksuh&cSDVhfj;e (c) Corona-bacterium
(d) DyksLVªhfM;e (d) Clostridium
Ans: a Ans: a
Sol: risfnd ;k {k; jksx ekbØkscSfDVfj;e V~;wcjD;wyksfll ds Sol: Tuberculosis is caused by Mycobacterium tuberculosis.
dkj.k gksrk gSA Q.60. What is the number of chromosomes in Klinefelters
Q.60. fDyusQsYVlZ flUMªkse esa xq.klw=ksa dh la[;k fdruh gks tkrh syndrome?
gS\ (a) 46
(a) 46 (b) 47
(b) 47 (c) 48
(c) 48 (d) 45
(d) 45 Ans: b
Ans: b Sol: Klinefelters syndrome is usually found in males, in which
Sol: fDyusQYs VlZ flUMªkse lkekU;r% iq:’kksa esa ik;k tkrk gS] blesa 44 + xxy chromosomes are present instead of 44 + xy
chromosomes.
44$ xy xq.klw= dh txg 44$ xxy xq.klw= mifLFkr gksrs gSAa
Q.61. What is it called when issues related to ethics and
Q.61. tSo izkS|ksfxdh ls lacaf/kr fu;eksa esa tc uSfrdrk vkSj
rationality are included in the rules related to
rkfdZdrk ls lacaf/kr eqnn~ ksa dks “kkfey fd;k tkrk gS] rks mls biotechnology?
D;k dgrs gSa\ (a) Yellow Biotechnology
(a) ;yks ck;ks VsDuksykWth (b) Gray Biotechnology
(b) xzs ck;ks VsDuksykWth (c) Blue Biotechnology
(c) Cyw ck;ks VsDuksykWth (d) Purple Biotechnology
(d) iiZy ck;ks VsDuksykWth Ans: d
Ans: d Sol: Purple Biotechnology
Sol: iiZy ck;ks VsDuksykWth Q.62. Where is the Institute of Plasma Research located?
Q.62. baLVhV~;wV vkWQ IykTek fjlpZ laLFkku dgka fLFkr gS\ (a) Ahmedabad
(a) vgenkckn (b) Pune
(b) iq.ks (c) Delhi
(c) fnYyh (d) Lucknow
(d) y[kuÅ Ans: a
Ans: a Sol: Institute of Plasma Research is located in Ahmedabad.
Sol: baLVhV~;wV vkWQ IykTek fjlpZ laLFkku vgenkckn esa fLFkr Q.63. What is CRISPR-Case 9 technology?
gSA (a) Malaria medicine
Q.63. fØLij&dsl 9 VsDuksykWth D;k gS\ (b) Genome editing tools
(a) eysfj;k dh nok (c) D.N. A. vaccine
(b) thukse ,fMfVax midj.k (d) None of the above
(c) Mh-,u- ,- oSDlhu Ans: b
(d) mijksDr esa ls dksbZ ugha Sol: CRISPR-Case 9 technology is a genome editing tool that
Ans: b replaces certain parts of the genome with DNA.
Sol: fØLij&dsl 9 VsDuksykWth ,d thukse ,fMfVax midj.k gS] Enables you to add, remove, or change sequences.
tks thukse ds dqN Hkkxksa dks Mh-,u-,- vuqØeksa esa tksM+us]
fudkyus ;k cnyus esa l{ke cukrh gSA

DELHI IAS ACADEMY Test-14 Page No.: 15

Q.64. ukdksZVsLV ds varxZr fdl jlk;u dk batDs ”ku yxk;k tkrk Q.64. Which chemical is injected under narcotest?
gS\ (a) Calcium ametone
(a) dSfY”k;e ,esVksu (b) Sodium pentothol
(b) lksfM;e isaVksFkksy (c) Ethanol
(c) bFksukWy (d) Methyl bromine
(d) esfFky czksehu Ans: b
Ans: b Sol: Under narcotest, sodium pentothol chemical is injected.
Sol: ukdksZVLs V ds varxZr lksfM;e isaVksFkksy jlk;u dk batsD”ku It is called ‘Truth Serum’.
yxk;k tkrk gSA bls ^VªwFk lhje* dgrs gSaA Q.65. Golden Rice is rich in-
Q.65. xksYMu jkbl esa fdldh izpqj ek=k gksrh gS\ (a) Vitamin B5
(a) foVkfeu B5 (b) Vitamin C
(b) foVkfeu C (c) Vitamin B12
(c) foVkfeu B12 (d) Vitamin A
(d) foVkfeu A Ans: d
Ans: d Sol: Golden rice is rich in pro-vitamin A (beta carotene), which
gets converted into vitamin A once it enters the human
Sol: xksYMu jkbl esa izks&foVkfeu A ¼chVk dSjksVhu½ dh izpqj
body.
ek=k gksrh gS] tks ekuo “kjhj esa tkrs gh foVkfeu A esa
Q.66. What is the imaginary line called 100 km above sea level?
ifjofrZr gks tkrk gSA
(a) Normal line
Q.66. leqnz ry ls 100 fd-eh- Åij dkYifud js[kk dks D;k dgk
(b) Kármán line
tkrk gS\
(c) polar line
(a) ukWeZy js[kk
(d) geostationary line
(b) dkjeu js[kk
Ans: b
(c) /kqzoh; js[kk
Sol: The imaginary line above 100 km above sea level is
(d) Hkw&LFkSfrd js[kk
called the Kármán line. It generally represents the
Ans: b boundary between the Earth’s atmosphere and outer
Sol: leqnz ry ls 100 fd-eh- Åij dkYifud js[kk dks dkjeu space.
js[kk dgk tkrk gSA ;g lkekU;r% i`Foh ds ok;q e.My vkSj Q.67. What will be the full form of GSLV?
ckgjh varfj{k ds chp dh lhek dk izfrfuf/kRo djrk gSA (a) Geosynchronous Satellite Launch Vehicle
Q.67. th,l,yoh (GSLV) dk iw.kZ :i D;k gksxk\ (b) Geo Stable Launch Vehicle
(a) thvksflUØksul lsVsykbV ykWUp Oghdy (c) Geo Stable Latitude Vehicle
(b) thvks LVscy ykWUp Oghdy (d) Geosynchronous satellite launch weapon
(c) thvks LVscy ySVhV~;wM Oghdy Ans: a
(d) thvksflUØksul lsVsykbV ykWUp osiu Sol: The full form of GSLV will be Geosynchronous Satellite
Ans: a Launch Vehicle.
Sol: th,l,yoh (GSLV) dk iw.kZ :i thvksflUØksul lsVsykbV Q.68. What is the temperature of liquid hydrogen in a
ykWUp Oghdy gksxkA cryogenic engine?
Q.68. Øk;kstfud batu esa nzoh; gkbMªkstu dk rkieku fdruk (a) -154°C
gksrk gS\ (b) -183°C
(a) -154ºC (c) -253°C
(b) -183ºC (d) -384°C
(c) -253ºC Ans: c
(d) -384ºC Sol: In cryogenic engines, liquid hydrogen (-253 ° C) is the
Ans: c main fuel and liquid oxygen (-183 ° C) is used as an
oxidizer.
Sol: Øk;kstfud batu esa nzoh; gkbMªkstu ¼-253ºC½ eq[; bZa/ku
gksrk gS ,oa vkWDlhdkjd ds :i esa nzoh; vkWDlhtu ¼-183ºC½
dk iz;ksx gksrk gSA

DELHI IAS ACADEMY Test-14 Page No.: 16

Q.69. JhgfjdksVk iz{ksi.k dsUnz dgka fLFkr gS\ Q.69. Where is Sriharikota launch center located?
(a) vka/kzin
z s”k (a) Andhra Pradesh
(b) rfeyukMq (b) Tamil Nadu
(c) Kerala
(c) dsjy
(d) Gujarat
(d) xqtjkr Ans: a
Ans: a Sol: Sriharikota launch center is located in Andhra Pradesh.
Sol: JhgfjdksVk iz{ksi.k dsUnz vka/kzizns”k esa fLFkr gSA Q.70. Where is the Indian Institute of Remote Sensing IIRS
Q.70. Hkkjrh; nwjLFk laosnu laLFkku IIRS dgka fLFkr gS\ located?
(a) gSnjkckn (a) Hyderabad
(b) Ahmedabad
(b) vgenkckn
(c) Bangalore
(c) cSx
a yq: (d) Dehradun
(d) nsgjknwu Ans: d
Ans: d Sol: Indian Institute of Remote Sensing IIRS is located in
Sol: Hkkjrh; nwjLFk laosnu laLFkku IIRS nsgjknwu esa fLFkr gSA Dehradun.
Q.71. Hkkjr }kjk czEgksl felkby dk fuekZ.k fdl ns”k ds lg;ksx Q.71. Brahmos missile has been manufactured by India in
ls fd;k x;k gS\ collaboration with which country?
(a) Israel
(a) bt+jkby
(b) Qatar
(b) drj
(c) Russia
(c) :l (d) America
(d) vesfjdk Ans: c
Ans: c Sol: BrahMos missile has been manufactured by India in
Sol: Hkkjr }kjk czEgksl felkby dk fuekZ.k :l ds lg;ksx ls collaboration with Russia. It is a supersonic cruise
fd;k x;k gSA ;g ,d lqijlksfud Øwt felkby gSA missile.
Q.72. Which of the following is not an example of secondary
Q.72. fuEu esa ls dkSu&lh f}rh;d eseksjh dk mnkgj.k ugha gS\
memory?
(a) lh-Mh- (a) C.D.
(b) ¶ykWih fMLd (b) floppy disk
(c) isuMªkbo (c) pendrive
(d) dS”k eseksjh (d) cache memory
Ans: d Ans: d
Sol: dS”k eseksjh f}rh;d eseksjh dk mnkgj.k ugha gSA Sol: Cache memory is not an example of secondary memory.
Q.73. Which of the following is not a high level computer
Q.73. fuEu esa ls dkSu&lh dEI;wVj dh mPp Lrjh; Hkk’kk ugha gS\
language?
(a) QksjVªkWu (a) Fortron
(b) dkscksy (b) COBOL
(c) vlsacyh (c) Assembly
(d) tkok (d) Java
Ans: c Ans: c
Sol: vlsacyh Hkk’kk dEI;wVj dh fuEu Lrjh; Hkk’kk ds varxZr Sol: Assembly language is included under low level
language of computer.
“kkfey gSA Q.74. Match the following:-
Q.74. lqesfyr dhft,%& List- 1(Company) List-2 (Operating System)
lwph&1 ¼daiuh½ lwph&2 ¼vkWijsfVax flLVe½ A. Microsoft 1. Windows
A. ekbØkslkW¶V 1- foaMkst B. Google 2. iOS
B. xwxy 2- vkbZ-vks-,l- C. Apple 3. Android
C. ,Iiy 3- ,aMªkbM Code:
dwV% A B C
A B C (a) 1 2 3
(a) 1 2 3 (b) 2 1 3
(b) 2 1 3 (c) 2 3 1
(c) 2 3 1 (d) 1 3 2
(d) 1 3 2

DELHI IAS ACADEMY Test-14 Page No.: 17

Ans: d Ans: d
Sol: 1 3 2 Sol: 1 3 2
Q.75. fuEu esa ls D;k baVjusV vk/kkfjr lsokvksa esa “kkfey gS\ Q.75. Which of the following is included in Internet based
(a) balVsaV eslsftax services?
(b) Qkby “ks;fjax (a) Instant messaging
(c) lks”ky usVofdZax (b) File sharing
(d) mijksDr lHkh (c) Social networking
Ans: d (d) All of the above
Sol: mijksDr lHkh Ans: d
Q.76. cgqr lkjs yksxksa dks ,d lkFk bZ&esy ;k eksckby ij lans”k Sol: All of the above
Hkstus dh izfØ;k D;k dgykrh gS\ Q.76. What is the process of sending e-mail or mobile message
to many people simultaneously called?
(a) fQflax
(a) Fishing
(b) LiwfQax
(b) Spoofing
(c) LiSfeax
(c) Spamming
(d) gSfdax
(d) Hacking
Ans: c
Ans: c
Sol: cgqr lkjs yksxksa dks ,d lkFk bZ&esy ;k eksckby ij lans”k
Hkstus dh izfØ;k LiSfeax dgykrh gSA Sol: The process of sending e-mail or mobile messages to
many people simultaneously is called spamming.
Q.77. Hkkjr dk izFke ftyk tks mPp xfr xzkeh.k czkWMcSaM usVodZ
Q.77. Which is the first district in India to be connected to
ls tqM+k dkSu lk gS\ high speed rural broadband network?
(a) bMqDdh (a) Idukki
(b) lkyse
(b) Salem
(c) dU;kdqekjh
(c) Kanyakumari
(d) Hk:p
(d) Bharuch
Ans: a
Ans: a
Sol: Hkkjr dk izFke ftyk tks mPp xfr xzkeh.k czkWMcSaM usVodZ
Sol: Idukki is the first district in India to be connected to
ls tqM+k bMqDdh gSA high speed rural broadband network.
Q.78. fle ¼SIM½ dk iw.kZ :i D;k gS\ Q.78. What is the full form of SIM?
(a) lCLØkbclZ vkbMsafVVh ekWM~;wy (a) Subscribers Identity Module
(b) lCLØkbclZ vkbMsafVVh e”khu (b) Subscriber Identity Machine
(c) lsYQ vkbMsafVVh e”khu (c) Self Identification Machine
(d) lsYQ vkbMsafVVh ekWM~;wy (d) Self Identity Module
Ans: a Ans: a
Sol: fle dk iw.kZ :i lCLØkbclZ vkbMsafVVh ekWM~;wy gSA Sol: Full form of SIM is Subscribers Identity Module.
Q.79. uoEcj] 2023 dh fLFkfr esa fo”o dk rhozre lqij dEI;wVj Q.79. As of November 2023, which is the fastest super
dkSu&lk gS\ computer in the world?
(a) FRONTIER (a) FRONTIER
(b) LUMI (b) LUMI
(c) AIRAWAT (c) AIRAWAT
(d) SOPSY (d) SOPSY
Ans: a Ans: a
Sol: uoEcj] 2023 dh fLFkfr esa fo”o dk rhozre lqij dEI;wVj Sol: As of November 2023, FRONTIER is the fastest super
FRONTIER gSA computer in the world.
Q.80. ijek.kq ÅtkZ la;a= dkdjkikj fdl jkT; esa fLFkr gS\ Q.80. In which state is Nuclear Power Plant Kakrapar located?
(a) rfeyukMq (a) Tamil Nadu
(b) xqtjkr (b) Gujarat
(c) dukZVd (c) Karnataka
(d) jktLFkku (d) Rajasthan

DELHI IAS ACADEMY Test-14 Page No.: 18

Ans: b Ans: b
Sol: ijek.kq ÅtkZ la;a= dkdjkikj xqtjkr jkT; esa fLFkr gSA Sol: Kakrapar Nuclear Power Plant is located in the state of
Q.81. ikfjfLFkfrdh; ra= ds tSfod ?kVdksa esa D;k “kkfey ugha gS\ Gujarat.
(a) mRiknd Q.81. What is not included in the biological components of
an ecosystem?
(b) miHkksDrk
(a) producer
(c) ok;qeaMy
(b) consumer
(d) vi?kVd
(c) atmosphere
Ans: c
(d) decomposer
Sol: ok;qe.My ikfjfLFkfrdh; ra= ds vtSfod ?kVdksa esa “kkfey
Ans: c
gSA
Sol: The atmosphere includes the abiotic components of
Q.82. vi?kVdksa ds varxZr eq[; :i ls dkSu&ls tho vkrs gSa\
the ecosystem.
(a) cdjh] [kjxks”k
Q.82. Which organisms mainly comes under decomposers?
(b) ckt] “ksj
(a) Goat, rabbit
(c) euq’;
(b) eagle, lion
(d) cSDVhfj;k] dod
(c) human being
Ans: d
(d) bacteria, fungus
Sol: vi?kVdksa ds varxZr cSDVhfj;k vkSj dod vkrs gSaA ;s e`r
Ans: d
dkcZfud inkFkksZa dk {kj.k djrs gSaA
Sol: Decomposers include bacteria and fungi. They
Q.83. fuEu esa ls dkSu&lk tyh; ra= laØe.k dkyhu ikfjra= ds decompose dead organic matter.
varxZr ugha vkrs gSa\ Q.83. Which of the following aquatic systems does not come
(a) vknzZ Hkwfe under transitional ecosystem?
(b) rV js[kk (a) Wetland
(c) eSaxzkso ikfjra= (b) Coast line
(d) Tokjun eq[k (c) Mangrove ecosystem
Ans: b (d) Estuaries
Sol: rV js[kk lkxjh; ikfjra= dk fgLlk gksrk gSA Ans: b
Q.84. ikuh ds Hkhrj izdk”k la”ys’kh izfØ;k }kjk Hkkstu fuekZ.k djus Sol: The coastline is part of the marine ecosystem.
okys Loiksf’kr ikS/kksa dks D;k dgk tkrk gS\ Q.84. What are autotrophic plants that produce food through
(a) QkbVksIySDa Vu the photosynthetic process under water called?
(b) twIySaDVu (a) Phytoplankton
(c) usDVu leqnk; (b) Zooplankton
(d) cSafFkd leqnk; (c) Nekton community
Ans: a (d) Benthic community
Sol: ikuh ds Hkhrj izdk”k la”ys’kh izfØ;k }kjk Hkkstu fuekZ.k djus Ans: a
okys Loiksf’kr ikS/kksa dks QkbVksIySaDVu dgk tkrk gSA Sol: Autotrophic plants that produce food through the
Q.85. lqesfyr dhft,%& photosynthetic process under water are called
lwph&1 ¼vknzZ Hkwfe {ks=½lwph&2 ¼jkT;½ phytoplankton.
A. gfjds >hy 1- dsjy Q.85. Match the following:-
B. dksYys: >hy 2- vka/kzinz s”k List-1 (Wetland Area) List-2 (State)
C. :nzlkxj >hy 3- iatkc A. Harike Lake 1. Kerala
D. osacukM vknzZ Hkwfe 4- f=iqjk B. Kolleru Lake 2. Andhra Pradesh
dwV% C. Rudrasagar Lake 3. Punjab
A B C D D. Vembanad Wetland 4. Tripura
(a) 4 2 1 3 Code:
(b) 3 4 1 2 A B C D
(c) 3 2 4 1 (a) 4 2 1 3
(d) 2 4 1 3 (b) 3 4 1 2
(c) 3 2 4 1
(d) 2 4 1 3

DELHI IAS ACADEMY Test-14 Page No.: 19

Ans: c Ans: c
Sol: A. gfjds >hy 1- iatkc Sol: A. Harike Lake 1. Punjab
B. dksYys: >hy 2- vka/kzinz s”k B. Kolleru Lake 2. Andhra Pradesh
C. :nzlkxj >hy 3- f=iqjk C. Rudrasagar Lake 3. Tripura
D. osacukM vknzZ Hkwfe 4- dsjy D. Vembanad Wetland 4. Kerala
Q.86. ikfjfLFkfrdh ra= ds lanHkZ esa fuEufyf[kr dFkuksa ij fopkj Q.86. Consider the following statements in the context of
dhft;s& ecosystem:
1- ikfjfLFkfrdh; ra= esa ÅtkZ dk izokg ,dfn”kh; gksrk 1. The flow of energy in the ecosystem is
unidirectional.
gSA
2. The rate of energy loss decreases with increasing
2- c<+rs iks’kd Lrj ds lkFk ÅtkZ ds {k; dh nj esa deha
nutrient level.
vkrh gSA
Which of the above statements is/are correct?
mi;qZDr esa ls dkSu&lk@ls dFku lgh gS@gSa\
(a) only 1
(a) dsoy 1
(b) only 2
(b) dsoy 2
(c) Both 1 and 2
(c) 1 vkSj 2 nksuksa
(d) Neither 1 nor 2
(d) u rks 1 vkSj u gh 2
Ans: a
Ans: a
Sol: The rate of energy loss remain constant with increasing
Sol: c<+rs iks’kd Lrj ds lkFk ÅtkZ ds {k; dh nj esa fLFkj gSA nutrient levels.
Q.87. lqiks’k.k ds dkj.k rhoz xfr ls gksus okys “kSokyksa dh o`f) D;k Q.87. What is the rapid growth of algae due to eutrophication
dgykrh gS\ called?
(a) ,YxhCywe (a) Algaebloom
(b) jsMVkbM (b) Redtide
(c) vkWjat
s VkbM (c) Orangetide
(d) mijksDr esa ls dksbZ ugha (d) None of the above
Ans: a Ans: a
Sol: lqiks’k.k ds dkj.k rhoz xfr ls gksus okys “kSokyksa dh o`f) Sol: The rapid growth of algae due to good nutrition is called
,YxhCywe dgykrh gSA algae bloom.
Q.88. Hkkjr esa ik, tkus okys jkstoqM vkSj egksxuh o`{k fdl izdkj Q.88. Rosewood and Mahogany trees found in India belong
ds ouksa ls lacaf/kr gSa\ to which type of forests?
(a) m’.kdfVca/kh; lnkcgkj ou (a) Tropical evergreen forest
(b) m’.kdfVca/kh; i.kZikrh ou (b) Tropical deciduous forest
(c) ioZrh; ou (c) Mountain forest
(d) m’.kdfVca/kh; dkaVsnkj ou (d) Tropical thorny forest
Ans: a Ans: a
Sol: Hkkjr esa ik, tkus okys jkstoqM vkSj egksxuh o`{k m’.kdfVca/ Sol: Rosewood and mahogany trees found in India belong
kh; lnkcgkj ouksa ls lacaf/kr gSaA to tropical evergreen forests.
Q.89. ikfjfLFkfrdh; fijkfeMksa eas lnSo lh/kk cuus okyk fijkfeM Q.89. Which pyramid is always upright/vertical among the
ecological pyramids?
dkSu&lk gksrk gS\
(a) Pyramid of numbers
(a) la[;k dk fijkfeM
(b) Pyramid of biomass
(b) tSo Hkkj dk fijkfeM
(c) Pyramid of energy
(c) ÅtkZ dk fijkfeM
(d) None of the above
(d) mijksDr esa ls dksbZ ugha
Ans: c
Ans: c
Sol: The pyramid of energy is always upright/vertical.
Sol: ÅtkZ dk fijkfeM lnSo lh/kk gh curk gSA

DELHI IAS ACADEMY Test-14 Page No.: 20

Q.90. ^ÅtkZ LFkkukUrj.k dk 10 izfr”kr dk fu;e* fdlds }kjk Q.90. By whom was the ’10 percent rule of energy transfer’
izfrikfnr fd;k x;k\ propounded?
(a) fyaMseku (a) Lindemann
(b) ukWeZu ek;lZ (b) Norman Myers
(c) pSMfod (c) Chadwick
(d) fc;MZ (d) Weard
Ans: a Ans: a
Sol: fyaMseku }kjk ÅtkZ LFkkukUrj.k dk 10 izfr”kr dk fu;e Sol: 10 percent rule of energy transfer was propounded by
Lindemann. According to this rule, when we move from
izfrikfnr fd;k x;kA bl fu;e ds vuqlkj tc ge iks’k.k
one level of nutrition to another, only 10 percent of the
ds ,d ls nwljs Lrj esa c<+rs gSa] rks ÅtkZ dk dsoy 10 energy is transferred.
izfr”kr gh LFkkukUrj.k gksrk gSA Q.91. When the plant and animal community found in an area
Q.91. fdlh {ks= esa ik, tkus okys ouLifr vkSj tarq leqnk; dk is replaced by another community, what is this process
LFkku tc nwljs leqnk; }kjk ys fy;k tkrk gS] rks bl called?
izfØ;k dks D;k dgrs gSa\ (a) Thermodynamic indexing
(a) Å’ekxfrdh; vuqØe.k (b) Ecological succession
(b) ikfjfLFkfrdh; vuqØe.k (c) Aquatic succession
(c) tyh; vuqØe.k (d) Ecological efficiency
(d) ikfjfLFkfrdh; n{krk Ans: b
Ans: b Sol: When the plant and animal community found in an area
Sol: fdlh {ks= esa ik, tkus okys ouLifr vkSj tarq leqnk; dk is replaced by another community, this process is called
Ecological Succession.
LFkku tc nwljs leqnk; }kjk ys fy;k tkrk gS] rks bl
izfØ;k dks ikfjfLFkfrdh; vuqØe.k ¼Ecological Succes- Q.92. Due to the effect of interaction between organisms,
when two organisms are related in such a way that one
sion½ dgrs gSaA species benefits and the other suffers loss, then what
Q.92. thoksa dh vU;ksU; fØ;k ds izHkko ls tc nks tho bl izdkj is it called?
lacaf/kr gksa fd ,d iztkfr dks ykHk vkSj nwljs dks gkfu gks] (a) Parasitism
rks ;g D;k dgykrk gS\ (b) Predation
(a) ijthfork ¼Parasitism½ (c) Amensalism
(b) ijHk{k.k ¼Predation½ (d) competition
(c) vlgHkksftrk ¼Amensalism½ Ans: a
(d) Li/kkZ ¼competition½ Sol: Due to the effect of interaction between organisms,
Ans: a when two organisms are related in such a way that one
Sol: thoksa dh vU;ksU; fØ;k ds izHkko ls tc nks tho bl izdkj species benefits and the other suffers loss, then it is
lacaf/kr gksa fd ,d iztkfr dks ykHk vkSj nwljs dks gkfu gks] called parasitism.
rks ;g ijthfork dgykrk gSA Q.93. In what form is net primary production stored in plants?
Q.93. ikS/kksa esa “kq) izkFkfed mRiknu fdl :i esa lafpr gksrk gS\ (a) Biomass
(a) tSo Hkkj (b) Bio energy
(b) tSo ÅtkZ (c) Bio carbon
(c) tSo dkcZu (d) None of the above
(d) mijksDr esa ls dksbZ ugha Ans: a
Ans: a Sol: Net primary production in plants is stored in the form of
biomass.
Sol: ikS/kksa esa “kq) izkFkfed mRiknu tSo Hkkj :i esa lafpr gksrk
Q.94. Which of the following is not included in the factors of
gSA thermal pollution?
Q.94. fuEu esa ls D;k rkih; iznw’k.k ds dkjdksa esa “kkfey ugha gS\
(a) Nuclear power plant
(a) ijek.kq ÅtkZ la;a=
(b) Coal combustion
(b) dks;yk ngu
(c) Industrial waste
(c) vkS|ksfxd dpjk
(d) Planting trees
(d) ikS/kk jksi.k djuk
Ans: d
Ans: d

DELHI IAS ACADEMY Test-14 Page No.: 21

Sol: ikS/kk jksi.k djuk rkih; iznw’k.k dks fu;af=r djus ds mik;ksa Sol: Planting trees is included in the measures to control
esa “kkfey gSA thermal pollution.
Q.95. tSo mipkj dh i)fr esa fdldk mi;ksx ugha fd;k tkrk gS\ Q.95. Which is not used in bioremediation method?
(a) lw{e tho (a) Microorganism
(b) thok.kq (b) bacteria
(c) dod (c) fungus
(d) jklk;fud [kkn (d) chemical fertilizer
Ans: d Ans: d
Sol: tSo mipkj dh i)fr esa jklk;fud [kkn dk mi;ksx ugha Sol: Chemical fertilizers are not used in the bioremediation
method.
fd;k tkrk gSA
Q.96. Which of the following pollutants is not a primary
Q.96. fuEu esa ls dkSu&ls iznw’kd izkFkfed iznw’kd ugha gS\
pollutant?
(a) MhMhVh
(a) DDT
(b) IykfLVd
(b) Plastic
(c) dkcZu MkbZ vkWDlkbM
(c) Carbon dioxide
(d) vkstksu
(d) Ozone
Ans: d
Ans: d
Sol: vkstksu ,d f}rh;d iznw’kd gS] ftldk fuekZ.k izkFkfed
Sol: Ozone is a secondary pollutant, which is formed by the
iznw’kdksa dh var%fØ;k ls gksrk gSA interaction of primary pollutants.
Q.97. flxjsV ds /kqa, esa eq[; :i ls dkSu&ls xSl fudyrh gS\ Q.97. Which gases are mainly released in cigarette smoke?
(a) dkcZu eksuks vkWDlkbM (a) Carbon monoxide
(b) C;wVsu (b) Butane
(c) izksisu
(c) Propane
(d) ehFksu
(d) Methane
Ans: a
Ans: a
Sol: flxjsV ds /kqa, esa eq[; :i ls dkcZu eksuks vkWDlkbM xSl
Sol: Cigarette smoke mainly produces carbon monoxide gas.
fudyrh gSA Q.98. What is the amount of oxygen required for biochemical
Q.98. vkWDlhtu dh og ek=k tks ty esa dkcZfud inkFkksZa ds tSo decomposition of organic substances in water called?
jklk;fud vi?kVu ds fy, vko”;d gksrh gS] D;k dgykrh (a) M.P.N.
gS\ (b) D.O.
(a) ,e-ih-,u- (c) BOD
(b) Mh-vks- (d) B.M.D.
(c) ch-vks-Mh- Ans: c
(d) ch-,e-Mh- Sol: The amount of oxygen that is required for the
Ans: c biochemical decomposition of organic matter in water,
Sol: vkWDlhtu dh og ek=k tks ty esa dkcZfud inkFkksZa ds tSo B.O.D. Or called biological oxygen demand.
jklk;fud vi?kVu ds fy, vko”;d gksrh gS] ch-vks-Mh- ;k Q.99. The disease called methemoglobinemia is caused by
ckW;ksykWftdy vkWDlhtu fMekaM dgykrh gSA excess of what?
Q.99. ehFkseksXykschusfe;k uked jksx fdldh vf/kdrk ls gksrk gS\ (a) Sulphate (b) Nitrate
(a) lYQsV (b) ukbVªsV (c) Oxalate (d) Arsenic
(c) vkWDthysV (d) vklsfZ ud Ans: b
Ans: b Sol: Excessive amount of nitrate in drinking water causes a
disease called methemoglobinemia (blue baby
Sol: is; ty esa ukbVªsV dh vf/kd ek=k gksus ls uotkr f”k”kqvksa
syndrome) in newborn babies.
esa ehFkseksXykschusfe;k ¼Cyw csch flaMªkse½ uked jksx gksrk gSA
Q.100. Which of the following is a non-biodegradable
Q.100. fuEu esa ls dkSu ukWu ck;ksfMxzsMscy iznw’kd gS\ pollutant?
(a) ikjk (b) Mh-Mh-Vh- (a) Mercury (b) D.D.T.
(c) ;wjfs u;e (d) mijksDr lHkh (c) Uranium (d) All of the above
Ans: d Ans: d
Sol: mijksDr lHkh ukWu ck;ksfMxzsMscy iznw’kd gSA Sol: All the above are non biodegradable pollutants.

DELHI IAS ACADEMY Test-14 Page No.: 22

 DELHI IAS ACADEMY
STATE LEVEL EXAM - 2023
Test-14, (SUB: General Science)
TIME - 2 hours TOTAL QSTN. -100 NEG. MARKING: 1/3

ANSWER KEY (20-12-23)

1 A 21 B 41 C 61 D 81 C
2 A 22 A 42 A 62 A 82 D
3 C 23 A 43 C 63 B 83 B
4 C 24 B 44 C 64 B 84 A
5 B 25 A 45 B 65 D 85 C
6 D 26 D 46 D 66 B 86 A
7 C 27 A 47 C 67 A 87 A
8 A 28 D 48 D 68 C 88 A
9 B 29 A 49 D 69 A 89 C
10 B 30 B 50 A 70 D 90 A
11 D 31 A 51 B 71 C 91 B
12 A 32 C 52 A 72 D 92 A
13 B 33 A 53 A 73 C 93 A
14 A 34 A 54 C 74 D 94 D
15 C 35 A 55 A 75 D 95 D
16 A 36 A 56 A 76 C 96 D
17 C 37 C 57 B 77 A 97 A
18 A 38 C 58 B 78 A 98 C
19 B 39 B 59 A 79 A 99 B
20 D 40 A 60 B 80 B 100 D
DELHI IAS ACADEMY Test-14 Page No.: 23