(KOg; gjpg;Ghpik cilaJ /All Rights Reserved)

\ s

Njrpa ntspf;fs epiyak; njhz;ilkhdhW elhj;Jk;

%d;whk; jtizg; guPl;ir – 2024.
Third Term Examination – 2024 conducted by
NFWC National Field Work Centre, Thondaimanaru.
capupay; II Gr. 12 (2024) 09 T II
Biology II

Rl;nlz;:……………………………
mwpTWj;jy;fs; :
…………
❖ ,t;tpdhj;jhs; 07 tpdhf;fis 11 gf;fq;fspy; nfhz;Ls;sJ.
❖ ,t;tpdhj;jhs; A, B vd;Dk; ,uz;L gFjpfisf; nfhz;lJ. gFjp I cl;gl ,t;tpuz;L
gFjpfSf;Fk; tpil vOJtjw;F toq;fg;gl;Ls;s Neuk; %d;W kzpj;jpahyq;fshFk;
(Nkyjpf thrpg;G Neuk; gj;J epkplq;fs;).
❖ tpdhj;jhis thrpj;J tpdhf;fisj; njupT nra;tjw;Fk; tpil vOJk;NghJ Kd;Dupik
toq;Fk; tpdhf;fis xOq;fikj;Jf; nfhs;tjw;Fk; Nkyjpf thrpg;G Neuk; gj;J epkplj;ijg;
gad;gLj;Jf

gFjp A – mikg;Gf; fl;Liu (gf;fq;fs; 2 – 10)

❖ vy;yh ehd;F tpdhf;fSf;Fk; ,j;jhspNyNa tpil vOJf.
❖ xt;nthU tpdhTf;Fk; tplg;gl;Ls;s ,lj;jpy; tpilfis vOJf. nfhLf;fg;gl;Ls;s ,lk;
ckJ tpilfSf;Fg; NghJkhdJ vd;gijAk; tpupthd tpilfs; mtrpakpy;iy vd;gijAk;
ftdpf;f.

gFjp B – fl;Liu (11 Mk; gf;fk;)

❖ ,uz;L tpdhf;fSf;F khj;jpuk; tpil vOJf. ckf;F toq;fg;gLk; jhs;fis ,jw;Fg;
gad;gLj;Jf. ,t;tpdhj;jhSf;nfd toq;fg;gl;l Neu Kbtpy; gFjp A NkNy ,Uf;Fk;gbahf
A, B Mfpa ,uz;L gFjpfisAk; xd;whfr; Nru;j;Jf; fl;ba gpd; guPl;ir Nkw;ghu;itahsuplk;
ifaspf;f.
❖ tpdhj;jhspd; gFjp B ia (11 Mk; gf;fk;) khj;jpuk; guPl;ir kz;lgj;jpypUe;J ntspNa
vLj;Jr; nry;y mDkjpf;fg;gLk;. (Ntwhf;fp vLf;fTk;)

➢ guPlr; fupd; cgNahfj;jpw;F khj;jpuk; nkhj;jg; Gs;spfs;

gFjp tpdh vz; Gs;spfs; ,yf;fj;jpy;
A 01
vOj;jpy;
02
03
04 tpilj;jhs; guPl;rfu; 1
B 05 tpilj;jhs; guPl;rfu; 2
06
Gs;spfisg; guPl;rpj;jtu;
07
nkhj;jk; Nkw;ghu;it nra;jtu;

NFWC juk; - 12 (2024) 3Mk; jtiz 1 capupay; II

 gFjp A - mikg;Gf; fl;Liu
ehd;F tpdhf;fSf;Fk; tpil vOJf.
(xt;nthU tpdhtpw;Fk; 100 Gs;spfs; toq;fg;gLk;)

1. (A)
i. a. capupfs; ,f;Nfhspy; tho;tjw;F cjTk; ePupd; ,uz;L Kf;fpaj;Jtkhd fhuzq;fs;
vit?
..........................................................................................................................................................................................
..........................................................................................................................................................................................

b. ePupd; KidTj; jd;ik vd;why; vd;d?

.............................................................................................................................................................................................
.............................................................................................................................................................................................
ii. fhgidy; $l;lj;jpd; tiff;Nfw;g xUrf;fiul;Lfs; vt;thW tifg;gLj;jg;glhyk; vdf;
Fwpg;gpl;L xt;nthU tiff;Fk; Xu; cjhuzj;ijAk; vOJf.
tif cjhuzk;
....................................................... .....................................................................................................................
....................................................... .....................................................................................................................

iii. fPNo jug;gLk; gy;rf;fiul;Lfs; xt;nthd;wpdJk; xU njhopiyf; Fwpg;gpLf.

a. miur;nrYNyhR : .............................................................................................................................................
b. ,D}ypd; : .............................................................................................................................................

iv. Ma;T$lj;jpy; gad;gLj;jg;gLk; gpd;tUk; ,urhadg; nghUl;fspd; epwq;fisf;

Fwpg;gpLf.
a. #lhd; III. : ....................................................................................................................
b. igA+nuw; Nrhjidg; nghUs; : ..................................................................................................................
v.

a. xU epA+f;fpspNahiul;bd; tupg;glk; NkNy jug;gl;Ls;sJ.

A, B, C Ig; ngaupLf.
A : ...............................................................................................................................
B : ...............................................................................................................................
C : ...............................................................................................................................
b. C MdJ DNA apYk; RNA apYk; vt;tpjk; NtWgLk; vdf; Fwpg;gpLf.

........................................................................................................................................................................................
c. DNA apYk; RNA apYk; A MdJ ,urhad uPjpahf vt;thW NtWgLk;?

........................................................................................................................................................................................

NFWC juk; - 12 (2024) 3Mk; jtiz 2 capupay; II

 (B)
i. fyf; nfhs;ifiaf; Fwpg;gpLf.

..........................................................................................................................................................................................
..........................................................................................................................................................................................
..........................................................................................................................................................................................
ii. gpd;tUk; njhopw;ghLfis Mw;Wk; cg fyf;$iwf; Fwpg;gpLf.
a. er;R ePff
; y; : ....................................................................................................................
b. ngf;upd; cw;gj;jp : ....................................................................................................................
c. fjpu;fisj; Njhw;Wtpj;jy; : ....................................................................................................................

iii. a. xLf;fw;gpuptpy; gpwg;Gupik khwy;fis Vw;gLj;Jk; epfo;Tfs; vit?

.....................................................................................................................................................................................
.....................................................................................................................................................................................
b. Ma;T$lj;jpy; ,ioAUg;gpupit mtjhdpg;gjw;Fg; gad;gLj;jg;glf;$ba
fl;likg;igg; ngaupLf.
.....................................................................................................................................................................................

iv. a. nehjpaj; Jizf;fhuzpfs; vd;gjhy; ePu; tpsq;FtJ ahJ?

.....................................................................................................................................................................................
.....................................................................................................................................................................................

b. nehjpaj; Jizf;fhuzp tiffisf; Fwpg;gpl;L xt;nthU tiff;Fk; Xu;

cjhuzj;ijf; Fwpg;gpLf.
tif cjhuzk;
........................................................................ ............................................................................
........................................................................ ............................................................................

(C)
i. a. fPo;g;gilg; nghRNghupNyw;wk; vd;why; vd;d?
.....................................................................................................................................................................................
.....................................................................................................................................................................................
b. fyq;fspy; fPog ; g; ilg; nghRNghupNyw;wk; ,lk;ngWk; re;ju;g;gq;fisf; Fwpg;gpLf.
.....................................................................................................................................................................................
.....................................................................................................................................................................................

ii. fyr;Rthrj;jpd; ,izg;Gj; jhf;fj;jpy; ig&Ntw;wpd; xl;rpNaw;wj;jhy; cUthFk;

%yf;$W / %yf;$Wfs; vJ / vit?
.........................................................................................................................................................................................
.........................................................................................................................................................................................

iii. xspr;Rthrj;jpy; cUthFk; ,uz;Lfhgd; Nru;itf;F ahJ eilngWfpd;wJ?

.........................................................................................................................................................................................
.........................................................................................................................................................................................

NFWC juk; - 12 (2024) 3Mk; jtiz 3 capupay; II

 iv. C3 jhtuq;fspd; fl;Lklw; fykhdJ C4 jhtuq;fspd; fl;Lklw; fyj;jpypUe;J
vt;thW NtWgLfpd;wJ?
.....................................................................................................................................................

v. C4 xspj;njhFg;Gj; jhf;fg; ghijapy; ATP apd; gad;ghL ahJ?

.....................................................................................................................................................

vi. xspj;njhFg;igg; ghjpf;Fk; ,uz;L gpujhd fhuzpfSk; vit?

.....................................................................................................................................................
..................................................................................................................................................... 100

2. (A)
i. tpj;Jj; jhtuq;fspy; Mz; Gzupj; jhtuk; vq;Nf ,Uf;Fk; vdf; Fwpg;gpLf.

........................................................................................................................................................
ii. gpd;tUk; tptupg;GfSf;Fg; nghUj;jkhd Gul;b];lhit vOJf.
a. RUq;fj;jf;f Gd;ntw;wplj;ijAk; fl; Gs;spfisAk; nfhz;lJ.
.....................................................................................................................................................
b. xspj;njhFg;G epwg;nghUshf FNshugpy; a, c If; nfhz;bUg;gJld; fyr;Rtupy;
nrYNyhirf; nfhz;lJ.
.....................................................................................................................................................
iii. rTf;FKis ,of;fg;gl;l tpe;JfisAila jhtuf; fzq;fs; ,uz;bidf;
Fwpg;gpLf.
..........................................................................................................................................................
iv. fdpAlyj;ijj; Njhw;Wtpf;Fk; gq;fRf; fzq;fisf; Fwpg;gpLf.

..........................................................................................................................................................
..........................................................................................................................................................
v. mff;fUf;fl;liyf; fhl;LtJld; ngUk;ghYk; ,Ughyhd tpyq;FfisAila
fzj;ijg; ngaupLf.
..........................................................................................................................................................

vi. tFg;G nug;uPypah tpyq;FfSf;NfAupj;jhd rpwg;gpay;Gfs; ,uz;bidf; Fwpg;gpLf.

.........................................................................................................................................................
..........................................................................................................................................................

vii. gwj;jYf;fhf tFg;G MNtrpYs;s tpyq;Ffs; fhz;gpf;Fk; ,irthf;fq;fs;

ehd;fpidf; Fwpg;gpLf.
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................

NFWC juk; - 12 (2024) 3Mk; jtiz 4 capupay; II

 (B)
i. fPNo Fwpg;gpl;l jhtu ,dq;fis NtWgLj;jp ,dq;fhz;gjw;Ff; fPNo jug;gl;Ls;s
,izf;ftu;r; rhtpiag; g+uzg;gLj;Jf.
Pogonatam, Marchantia, Nephrolepis, Pinus, G+rzp> njd;id.

1. <upy;ykhd Gzupj; jhtuj;ij cilait ..................................................................................

<upy;ykhd Gzupj;jhtuk; mw;wJ ..................................................................................

2. fydpioak; cilait ..................................................................................

fydpioak; mw;wit ..................................................................................

3. $k;Gfis cilaJ ..................................................................................

$k;Gfs; mw;wit ..................................................................................

4. xU JisAs;s kfue;jkzp fhzg;gLk; ..................................................................................

xU JisAs;s kfue;jkzp fhzg;glhJ ..................................................................................

5. “jz;L”> “,iy” fhzg;gLk; ..................................................................................

“jz;L”> “,iy” fhzg;glhJ ..................................................................................

ii. a. ,dg;ngau; vd;gJ ahJ?

........................................................................................................................................................
........................................................................................................................................................

b. ,dg;ngaupd; jdpj;Jtkhd rpwg;gpay;G ahJ?

........................................................................................................................................................
........................................................................................................................................................

(C)
i. a. ,ilGFe;j gpupapioaq;fs; vd;why; vd;d?
.....................................................................................................................................................
.....................................................................................................................................................

b. ,ilGFe;j gpupapioaq;fspd; njhopy; ahJ?

.....................................................................................................................................................
.....................................................................................................................................................

ii. jhtu ,ioaj; njhFjpiaj; Njhw;Wtpg;gjw;F tpaj;jr; nrad;Kiwapd;NghJ

vt;ntf;$Wfs; khw;wj;jpw;Fs;shfpd;wd?
.........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................

iii. Jizf; fyq;fs; vq;qdk; nea;aupf;Foha;f; $WfSld; neUf;fkhd njhlu;ig

Vw;gLj;Jk;?
..........................................................................................................................................................
..........................................................................................................................................................

NFWC juk; - 12 (2024) 3Mk; jtiz 5 capupay; II

 iv.

a. NkNy jug;gl;l tupg;glj;ij ,dq;fhz;f.

........................................................................................................................................................
b. NkNyAs;s glj;jpy; fPNo jug;gLk; Mq;fpy vOj;Jf;fs; Fwpj;J epw;Fk;
ghfq;fisg; ngaupLf.
P : ............................................................. Q : .....................................................................
R: ............................................................. S : .....................................................................
T :……………………………………….
c. td;ituj;ij Mf;Fk; ghfk; ve;j Mq;fpy vOj;jhy; Fwpf;fg;gLk;?
……………………………………………………………………………………………. 100

3. (A)
i. ,iytha;fisj; jpwg;gjpy; jhf;fk; nrYj;Jk; ,uz;L gpujhd Gwf; fhuzpfisf;
Fwpg;gpLf.
........................................................................................................................................................
........................................................................................................................................................

ii. Cycas ,d; tpj;jftpioaj;jpw;Fk; tpj;J%bAspapd; tpj;jftpioaj;jpw;Fk; ,ilapYs;s

gpujhd NtWghL ahJ?
........................................................................................................................................................

iii. a. tpj;jpd; cwq;Fepiy vd;gJ ahJ?

........................................................................................................................................................
........................................................................................................................................................
........................................................................................................................................................

b. tpj;jpd; cwq;Fepiyia Cf;Ftpf;Fk; jhtu tsu;r;rpr; rPuhf;fp vJ?

........................................................................................................................................................

iv. tul;rpj; jifg;gpw;Fj; jhtuq;fs; fhz;gpf;Fk; ,irthf;fq;fs; %d;wpidf; Fwpg;gpLf.

........................................................................................................................................................

........................................................................................................................................................

........................................................................................................................................................

NFWC juk; - 12 (2024) 3Mk; jtiz 6 capupay; II

 v. jhtug; Nghrizg; nghUl;fspy; tspkz;lyk; %ykhf ,Uf;Fk; %yfq;fisg;
ngaupLf.
........................................................................................................................................................

(B)
i. ehu;g; Gujq;fisr; Ruf;Fk; njhLg;gpioaj;jpd; fytif vJ?

........................................................................................................................................................
ii. Nkyjpfkhfr; rpy njhLg;gpioaq;fspy; fhzg;gLfpd;w Nrkpg;Gj; njhopiy
Nkw;nfhs;Sk; fy tifiag; ngaupLf.

........................................................................................................................................................
iii. vd;Gf; Fopaq;fspd; njhopy; ahJ?

........................................................................................................................................................
iv. ,jaj; jirapioaj;jpy; fhzg;gLk; ,ilGFe;j tl;lj;jl;bd; njhopiyf; Fwpg;gpLf.

........................................................................................................................................................
v. gpd;tUk; mq;fpfspd; czT+l;lw; nghwpKiwiaf; Fwpg;gpLf.
a. Vgpl;Lf;fs; : .............................................................................................................................
b. rpg;gp : .............................................................................................................................
vi. a. ,Wf;fp vd;why; vd;d?

.......................................................................................................................................................
b. ,ja ,Wf;fpapd; miktplj;ijf; Fwpg;gpLf.
.......................................................................................................................................................
vii. Kd; rpWFlypDs; rijar;rhw;iwr; Nru;fF ; k; fhidg; ngaupLf.

........................................................................................................................................................
viii. ,iug;igg; ghfpy; $basT nfhOg;Gf; fhzg;gLk;NghJ czTr; rkpghL
jhkjkilaf; fhuzq;fs; ,uz;bidf; Fwpg;gpLf.
........................................................................................................................................................
........................................................................................................................................................
(C)
i. a. mj;jpahtrpakhd mkpNdh mkpyq;fs; vd;why; vd;d?

......................................................................................................................................................
b. mj;jpahtrpakhd mkpNdh mkpyq;fs; ,uz;bidg; ngaupLf.
.......................................................................................................................................................
.......................................................................................................................................................
ii. rf;jpg; ghjPl;bd; Kf;fpaj;Jtk; ahJ?
..........................................................................................................................................................

NFWC juk; - 12 (2024) 3Mk; jtiz 7 capupay; II

 iii. ieNlupahf;fspy; Rw;Nwhl;lj; njhFjp tpUj;jpailahikf;Fupa fhuzq;fs;
,uz;bidf; Fwpg;gpLf.
........................................................................................................................................................
........................................................................................................................................................
iv. a. %ba Rw;Nwhl;lj;ijf; nfhz;l gpujhd Ks;se;jz;bypf; fzj;ijg; ngaupLf.
.......................................................................................................................................................

b. xg;gPl;L uPjpapy; jpwe;j Rw;Nwhl;lj;ij tpl %ba Rw;Nwhl;lj;jpd; Kf;fpaj;Jtq;fs;

,uz;bidf; Fwpg;gpLf.
........................................................................................................................................................
........................................................................................................................................................
v. ,jatiw mfr;rt;tpd; mikg;igr; RUf;fkhff; Fwpg;gpLf.
........................................................................................................................................................
........................................................................................................................................................
........................................................................................................................................................
vi. nghJikg;ghlhd kpd; ,ja tiuankhd;wpid (ECG) tiue;J ngaupLf.

vii. gpd;tUk; nrhw;gjq;fis tiuaWf;Ff.

a. khuilg;G : ................................................................................................................................
b. neQ;Rtyp (Angina) : ................................................................................................................................ 100

4. (A) fPNo jug;gl;l cU kdpj rpw;wiwapd; tupg;glkhFk;.

i. A, C, D kw;Wk; E I ,dq;fhz;f.
A : ....................................................... C :……………………………………
D : ....................................................... E : .......................................................

NFWC juk; - 12 (2024) 3Mk; jtiz 8 capupay; II

 ii. njhopw;ghl;L tpidj;jpwDf;fhf G nfhz;Ls;s rpwg;gpay;Gfs; ,uz;bidf; Fwpg;gpLf.
........................................................................................................................................................
........................................................................................................................................................
iii. type;j Rthrj;jpy; Nkyjpfkhfg; gq;nfLf;Fk; jir / jirfisg; ngaupLf.
........................................................................................................................................................
........................................................................................................................................................
iv. a. rpfnul; Gifapy; fhzg;gLk; HCN ,d; ghjfkhd tpisT ahJ?
........................................................................................................................................................

b. fhgNdhnuhl;irl;ilr; Rthr epNuhjpahff; fUJtjw;Fupa fhuzq;fs; vit?

.......................................................................................................................................................
........................................................................................................................................................
........................................................................................................................................................
v. a. Rthrf; nfhs;ssT vd;why; vd;d?
.......................................................................................................................................................

b. njhopw;ghl;bw;Fupa kPjpf; nfhs;sstpd; Kf;fpaj;Jtq;fs; vit?

........................................................................................................................................................
........................................................................................................................................................
(B)
i. cs;shu;e;j epu;gg
; l
P dj;jpy; gq;nfLf;Fk; ,aw;ifahd nfhy;Yk; fyj;jpd; tifiag;
ngaupLf.
...........................................................................................................................................................
ii. a. mow;rpjU J}z;lw;Ngiw Cf;Ftpf;Fk; Ez;zq;fpnajpu;g; Gujj;ijg; ngaupLf.
........................................................................................................................................................

b. Nkw;gb (ii) a apy; Fwpg;gpl;l Gujk; fhzg;gLk; ,lk; / ,lq;fisj; jUf.

........................................................................................................................................................
........................................................................................................................................................
iii. ,irthf;f epu;gg ; lP dj;jpd; rpwg;Gg; gz;Gfs; vit?
........................................................................................................................................................
........................................................................................................................................................
........................................................................................................................................................
iv. vgpnlhg; (epitope) vd;why; vd;d?

........................................................................................................................................................
v. a. ke;jkhd epu;gg ; lP dk; capu;gg ; hd epu;gg ; l
P dj;jpypUe;J vq;qdk; NtWgLfpd;wJ?

.......................................................................................................................................................
b. capu;gg
; hd epu;gg
; l
P dj;jpw;fhfg; gad;gLk; jLg;g+rpfs; jahupf;fg; gad;gLk; %d;W
Kiwfisj; jUf.
........................................................................................................................................................
........................................................................................................................................................
........................................................................................................................................................

NFWC juk; - 12 (2024) 3Mk; jtiz 9 capupay; II

 (C)
i. fopj;jy; vd;why; vd;d?

........................................................................................................................................................
ii. mndyplhf;fspy; fhzg;gLk; fopj;jw; fl;likg;igr; RUf;fkhff; Fwpg;gpLf.
........................................................................................................................................................
........................................................................................................................................................
iii. kdpj rpWePu;g;igapd; njhopy; ahJ?

........................................................................................................................................................
iv. rpWePuf Nkw;gl;il rpWkzpAUthdjhf ,Ug;gjw;Fupa fhuzk; ahJ?

........................................................................................................................................................
v. ikatpioa maYf;Fupa rpWePufj;jp Nkw;gl;ilf;Fupa rpWePufj;jpapypUe;J
fl;likg;gpy; vq;qdk; NtWgLfpd;wJ?

........................................................................................................................................................
vi. a. Ruj;jy; vd;why; vd;d?
......................................................................................................................................................
......................................................................................................................................................

b. capu;gg
; hd Ruj;jy; eilngWk; rpWePufj;jpapd; gFjp vJ?
.....................................................................................................................................................
vii. Nru;f;Fk; fhdpy; my;nlh];uNuhdpd; gq;fspg;G ahit?
........................................................................................................................................................
........................................................................................................................................................
viii. KbT epiyf;Fupa rpWePuf Neha; vd;gjd; fUj;J ahJ?
........................................................................................................................................................
........................................................................................................................................................ 100

NFWC juk; - 12 (2024) 3Mk; jtiz 10 capupay; II

 s

Njrpa ntspf;fs epiyak; njhz;ilkhdhW elhj;Jk;

%d;whk; jtizg; guPl;ir – 2024
Third Term Examination – 2024 conducted by
NFWC National Field Work Centre, Thondaimanaru.
capupay; II Gr. 12 (2024) 09 T II
Biology II

B - fl;Liu

mwpTWj;jy;fs;
❖ ,uz;L tpdhf;fSf;F khj;jpuk; tpil jUf.
Njitahd ,lq;fspy; ngauplg;gl;l njspthd tupg;glq;fisj; jUf.
(xt;nthU tpdhtpd; tpilf;Fk; 150 Gs;spfs; toq;fg;gLk;)

5. a. nehjpaj; jhf;fq;fspd; nghwpKiwia tpsf;Ff.

b. xspj;njhFg;gpd; CO2 gjpj;jypy; nehjpaq;fspd; gq;fspg;ig tpsf;Ff.

6. a. kdpjupy; FUjpAiwjy; nraw;ghl;ilr; RUf;fkhf tpgupf;Ff.

b. gpwnghUnsjpupahf;fpia milahsk; fhzy; kw;Wk; czu;T+l;lypy;
epzePu;fF
; opaq;fspd; gq;fspg;ig tpgupf;Ff.

7. gpd;tUtdtw;wpw;;Fr; rpWFwpg;Gfs; vOJf:

a. Njhypioaj; njhFjpfs;.
b. xspapd; cau;e;jgl;r msitf; ifg;gw;Wtjw;Fj; jhtuq;fspd; tbtikg;G.
c. kdpj %r;RtpLjypd; xUrPu;j;jplepiyf;Fupa fl;Lg;ghL.

NFWC juk; - 12 (2024) 3Mk; jtiz 11 capupay; II