Past Year Paper, Biology (Set - 1), Outside Delhi, 2014, Class 12, Biology | Additional Study Material for NEET PDF Download

 Page 1


57/1 1 P.T.O. 
narjmWu H$moS >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð 
>na Adí` {bIo§ & 
Candidates must write the Code on the 
title page of the answer-book. 
 Series OSR  
H$moS> Z§.      
57/1
 
 
Code No. 
amob Z§. 
Roll No. 
 
 
 
 
 
 
 
 
 
 
 
Ord {dkmZ (g¡ÕmpÝVH$) 
BIOLOGY (Theory) 
 
{ZYm©[aV g_` : 3KÊQ>o   A{YH$V_ A§H$ : 70 
Time allowed : 3 hours Maximum Marks : 70 
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 12 h¢ & 
? àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS >Zå~a H$mo N>mÌ CÎma-nwpñVH$m Ho$ _wI-n¥ð> na 
{bI| & 
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >30 àíZ h¢ & 
? H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, àíZ H$m H«$_m§H$ Adí` {bI| & 
? Bg  àíZ-nÌ  H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m g_` {X`m J`m h¡ &  àíZ-nÌ H$m {dVaU nydm©• 
_| 10.15 ~Oo {H$`m OmEJm &  10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-nÌ H$mo n‹T>|Jo 
Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo & 
? Please check that this question paper contains 12 printed pages. 
? Code number given on the right hand side of the question paper should be 
written on the title page of the answer-book by the candidate. 
? Please check that this question paper contains 30 questions. 
? Please write down the Serial Number of the question before 
attempting it. 
? 15 minutes time has been allotted to read this question paper. The question 
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the 
students will read the question paper only and will not write any answer on 
the answer-book during this period. 
Page 2


57/1 1 P.T.O. 
narjmWu H$moS >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð 
>na Adí` {bIo§ & 
Candidates must write the Code on the 
title page of the answer-book. 
 Series OSR  
H$moS> Z§.      
57/1
 
 
Code No. 
amob Z§. 
Roll No. 
 
 
 
 
 
 
 
 
 
 
 
Ord {dkmZ (g¡ÕmpÝVH$) 
BIOLOGY (Theory) 
 
{ZYm©[aV g_` : 3KÊQ>o   A{YH$V_ A§H$ : 70 
Time allowed : 3 hours Maximum Marks : 70 
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 12 h¢ & 
? àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS >Zå~a H$mo N>mÌ CÎma-nwpñVH$m Ho$ _wI-n¥ð> na 
{bI| & 
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >30 àíZ h¢ & 
? H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, àíZ H$m H«$_m§H$ Adí` {bI| & 
? Bg  àíZ-nÌ  H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m g_` {X`m J`m h¡ &  àíZ-nÌ H$m {dVaU nydm©• 
_| 10.15 ~Oo {H$`m OmEJm &  10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-nÌ H$mo n‹T>|Jo 
Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo & 
? Please check that this question paper contains 12 printed pages. 
? Code number given on the right hand side of the question paper should be 
written on the title page of the answer-book by the candidate. 
? Please check that this question paper contains 30 questions. 
? Please write down the Serial Number of the question before 
attempting it. 
? 15 minutes time has been allotted to read this question paper. The question 
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the 
students will read the question paper only and will not write any answer on 
the answer-book during this period. 
57/1 2 
 
gm_mÝ` {ZX}e : 
(i) g^r àíZ A{Zdm`© h¢ & 
(ii) Bg àíZ-nÌ _| Mma IÊS> A, B, C Am¡a D h¢ & IÊS> A _| 8 àíZ h¢ {OZ_| àË`oH$ H$m 
EH$ A§H$ h¡, IÊS> B _| 10 àíZ h¢ {OZ_| àË`oH$ Ho$ Xmo A§H$ h¢, IÊS> C _| 9 àíZ h¢ 
{OZ_| àË`oH$ Ho$ VrZ A§H$ h¢ VWm IÊS> D _| 3 àíZ h¢ {OZ_| àË`oH$ Ho$ nm±M A§H$ h¢ & 
(iii) H$moB© g_J« M`Z-{dH$ën (AmodaAm°b Mm°Bg) CnbãY Zht h¡ & {\$a ^r, 2 A§H$m| dmbo EH$ 
àíZ _|, 3 A§H$m| dmbo EH$ àíZ _| Am¡a 5 A§H$m| dmbo g^r VrZm| àíZm| _| ^rVar  
M`Z-{dH$ën {XE JE h¢ &  Eogo àíZm| _| {dÚmWu H$mo Ho$db EH$ hr {dH$ën H$m CÎma XoZm  
h¡ & 
(iv) Ohm± ^r Amdí`H$ hmo, ~ZmE OmZo dmbo AmaoI gmµ\$-gwWao VWm g_w{MV ê$n _| Zm_m§{H$V  
hm| & 
 
General Instructions : 
(i) All questions are compulsory. 
(ii) This question paper consists of four Sections A, B, C and D. Section A 
contains 8 questions of one mark each, Section B is of 10 questions of two 
marks each, Section C is of 9 questions of three marks each and  
Section D is of 3 questions of five marks each. 
(iii) There is no overall choice. However, an internal choice has been provided 
in one question of 2 marks, one question of 3 marks and all the three 
questions of 5 marks weightage. A student has to attempt only one of the 
alternatives in such questions. 
(iv) Wherever necessary, the diagrams drawn should be neat and properly 
labelled. 
Page 3


57/1 1 P.T.O. 
narjmWu H$moS >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð 
>na Adí` {bIo§ & 
Candidates must write the Code on the 
title page of the answer-book. 
 Series OSR  
H$moS> Z§.      
57/1
 
 
Code No. 
amob Z§. 
Roll No. 
 
 
 
 
 
 
 
 
 
 
 
Ord {dkmZ (g¡ÕmpÝVH$) 
BIOLOGY (Theory) 
 
{ZYm©[aV g_` : 3KÊQ>o   A{YH$V_ A§H$ : 70 
Time allowed : 3 hours Maximum Marks : 70 
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 12 h¢ & 
? àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS >Zå~a H$mo N>mÌ CÎma-nwpñVH$m Ho$ _wI-n¥ð> na 
{bI| & 
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >30 àíZ h¢ & 
? H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, àíZ H$m H«$_m§H$ Adí` {bI| & 
? Bg  àíZ-nÌ  H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m g_` {X`m J`m h¡ &  àíZ-nÌ H$m {dVaU nydm©• 
_| 10.15 ~Oo {H$`m OmEJm &  10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-nÌ H$mo n‹T>|Jo 
Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo & 
? Please check that this question paper contains 12 printed pages. 
? Code number given on the right hand side of the question paper should be 
written on the title page of the answer-book by the candidate. 
? Please check that this question paper contains 30 questions. 
? Please write down the Serial Number of the question before 
attempting it. 
? 15 minutes time has been allotted to read this question paper. The question 
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the 
students will read the question paper only and will not write any answer on 
the answer-book during this period. 
57/1 2 
 
gm_mÝ` {ZX}e : 
(i) g^r àíZ A{Zdm`© h¢ & 
(ii) Bg àíZ-nÌ _| Mma IÊS> A, B, C Am¡a D h¢ & IÊS> A _| 8 àíZ h¢ {OZ_| àË`oH$ H$m 
EH$ A§H$ h¡, IÊS> B _| 10 àíZ h¢ {OZ_| àË`oH$ Ho$ Xmo A§H$ h¢, IÊS> C _| 9 àíZ h¢ 
{OZ_| àË`oH$ Ho$ VrZ A§H$ h¢ VWm IÊS> D _| 3 àíZ h¢ {OZ_| àË`oH$ Ho$ nm±M A§H$ h¢ & 
(iii) H$moB© g_J« M`Z-{dH$ën (AmodaAm°b Mm°Bg) CnbãY Zht h¡ & {\$a ^r, 2 A§H$m| dmbo EH$ 
àíZ _|, 3 A§H$m| dmbo EH$ àíZ _| Am¡a 5 A§H$m| dmbo g^r VrZm| àíZm| _| ^rVar  
M`Z-{dH$ën {XE JE h¢ &  Eogo àíZm| _| {dÚmWu H$mo Ho$db EH$ hr {dH$ën H$m CÎma XoZm  
h¡ & 
(iv) Ohm± ^r Amdí`H$ hmo, ~ZmE OmZo dmbo AmaoI gmµ\$-gwWao VWm g_w{MV ê$n _| Zm_m§{H$V  
hm| & 
 
General Instructions : 
(i) All questions are compulsory. 
(ii) This question paper consists of four Sections A, B, C and D. Section A 
contains 8 questions of one mark each, Section B is of 10 questions of two 
marks each, Section C is of 9 questions of three marks each and  
Section D is of 3 questions of five marks each. 
(iii) There is no overall choice. However, an internal choice has been provided 
in one question of 2 marks, one question of 3 marks and all the three 
questions of 5 marks weightage. A student has to attempt only one of the 
alternatives in such questions. 
(iv) Wherever necessary, the diagrams drawn should be neat and properly 
labelled. 
57/1 3 P.T.O. 
IÊS> A 
SECTION A 
1. \y$b Ho$ Cg ^mJ H$m Zm_ ~VmBE {OgH$m à{Vê$nU ^wÅ>o H$s Jw„r Ho$ \w§$XZo H$aVo h¢ & 1 
Name the part of the flower which the tassels of the corn-cob represent.  
2. _Q>a Ho$ nm¡Yo Ho$ ~rOm| Ho$ g§~§Y _| Eogo H$moB© Xmo nañna {damoYr bjU ~VmBE {OZH$m _oÝS>ob 
Zo AÜ``Z {H$`m Wm & 1 
Mention any two contrasting traits with respect to seeds in pea plant that 
were studied by Mendel. 
3. _mZdm| _| àmW{_H$ à{Vajm AZw{H«$`m H$s Anojm {ÛVr`H$ à{Vajm AZw{H«$`m A{YH$ Vrd« 
Š`m| hmoVr h¡ ? 1 
Why is secondary immune response more intense than the primary 
immune response in humans ? 
4. {H$gr {dOmVr` DNA Ho$ {bE Eogm Š`m| g§^d Zht h¡ {H$ dh H«$mo_mogmo_ H$s b§~mB© _| {H$gr 
^r OJh na CgH$m hr A§e ~Z OmE Am¡a gm_mÝ` ê$n go à{VH¥${V`Z H$aVm aho ? 1 
Why is it not possible for an alien DNA to become part of a chromosome 
anywhere along its length and replicate normally ? 
5. _mZd BÝgw{bZ _| C noßQ>mBS> H$s ^y{_H$m ~VmBE & 1 
State the role of C peptide in human insulin. 
6. nwZ`m}JO DNA àm¡Úmo{JH$s Ho$ {bE OrdmÊdr` (~¡ŠQ>r[a`b) VWm H$dH$s` H$mo{eH$mAm| _| 
DNA Ho$ n¥WŠH$aU _| BñVo_mb {H$E OmZo dmbo E§µOmB_m| Ho$ Zm_ {b{IE & 1 
Name the enzymes that are used for the isolation of DNA from bacterial 
and fungal cells for recombinant DNA technology. 
7. Jm°go H$m à{VñnYm©Ë_H$ AndO©Z {gÕm§V ~VmBE & 1 
State Gause’s Competitive Exclusion Principle. 
8. Cg gmhM`©-àê$n H$m Zm_ {b{IE Omo OrZg ½bmo_g  CƒVa nm¡Ym| Ho$ gmW hmoVm Xem©Vr  
h¡ & 1 
Name the type of association that the genus Glomus exhibits with higher 
plants. 
Page 4


57/1 1 P.T.O. 
narjmWu H$moS >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð 
>na Adí` {bIo§ & 
Candidates must write the Code on the 
title page of the answer-book. 
 Series OSR  
H$moS> Z§.      
57/1
 
 
Code No. 
amob Z§. 
Roll No. 
 
 
 
 
 
 
 
 
 
 
 
Ord {dkmZ (g¡ÕmpÝVH$) 
BIOLOGY (Theory) 
 
{ZYm©[aV g_` : 3KÊQ>o   A{YH$V_ A§H$ : 70 
Time allowed : 3 hours Maximum Marks : 70 
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 12 h¢ & 
? àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS >Zå~a H$mo N>mÌ CÎma-nwpñVH$m Ho$ _wI-n¥ð> na 
{bI| & 
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >30 àíZ h¢ & 
? H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, àíZ H$m H«$_m§H$ Adí` {bI| & 
? Bg  àíZ-nÌ  H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m g_` {X`m J`m h¡ &  àíZ-nÌ H$m {dVaU nydm©• 
_| 10.15 ~Oo {H$`m OmEJm &  10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-nÌ H$mo n‹T>|Jo 
Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo & 
? Please check that this question paper contains 12 printed pages. 
? Code number given on the right hand side of the question paper should be 
written on the title page of the answer-book by the candidate. 
? Please check that this question paper contains 30 questions. 
? Please write down the Serial Number of the question before 
attempting it. 
? 15 minutes time has been allotted to read this question paper. The question 
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the 
students will read the question paper only and will not write any answer on 
the answer-book during this period. 
57/1 2 
 
gm_mÝ` {ZX}e : 
(i) g^r àíZ A{Zdm`© h¢ & 
(ii) Bg àíZ-nÌ _| Mma IÊS> A, B, C Am¡a D h¢ & IÊS> A _| 8 àíZ h¢ {OZ_| àË`oH$ H$m 
EH$ A§H$ h¡, IÊS> B _| 10 àíZ h¢ {OZ_| àË`oH$ Ho$ Xmo A§H$ h¢, IÊS> C _| 9 àíZ h¢ 
{OZ_| àË`oH$ Ho$ VrZ A§H$ h¢ VWm IÊS> D _| 3 àíZ h¢ {OZ_| àË`oH$ Ho$ nm±M A§H$ h¢ & 
(iii) H$moB© g_J« M`Z-{dH$ën (AmodaAm°b Mm°Bg) CnbãY Zht h¡ & {\$a ^r, 2 A§H$m| dmbo EH$ 
àíZ _|, 3 A§H$m| dmbo EH$ àíZ _| Am¡a 5 A§H$m| dmbo g^r VrZm| àíZm| _| ^rVar  
M`Z-{dH$ën {XE JE h¢ &  Eogo àíZm| _| {dÚmWu H$mo Ho$db EH$ hr {dH$ën H$m CÎma XoZm  
h¡ & 
(iv) Ohm± ^r Amdí`H$ hmo, ~ZmE OmZo dmbo AmaoI gmµ\$-gwWao VWm g_w{MV ê$n _| Zm_m§{H$V  
hm| & 
 
General Instructions : 
(i) All questions are compulsory. 
(ii) This question paper consists of four Sections A, B, C and D. Section A 
contains 8 questions of one mark each, Section B is of 10 questions of two 
marks each, Section C is of 9 questions of three marks each and  
Section D is of 3 questions of five marks each. 
(iii) There is no overall choice. However, an internal choice has been provided 
in one question of 2 marks, one question of 3 marks and all the three 
questions of 5 marks weightage. A student has to attempt only one of the 
alternatives in such questions. 
(iv) Wherever necessary, the diagrams drawn should be neat and properly 
labelled. 
57/1 3 P.T.O. 
IÊS> A 
SECTION A 
1. \y$b Ho$ Cg ^mJ H$m Zm_ ~VmBE {OgH$m à{Vê$nU ^wÅ>o H$s Jw„r Ho$ \w§$XZo H$aVo h¢ & 1 
Name the part of the flower which the tassels of the corn-cob represent.  
2. _Q>a Ho$ nm¡Yo Ho$ ~rOm| Ho$ g§~§Y _| Eogo H$moB© Xmo nañna {damoYr bjU ~VmBE {OZH$m _oÝS>ob 
Zo AÜ``Z {H$`m Wm & 1 
Mention any two contrasting traits with respect to seeds in pea plant that 
were studied by Mendel. 
3. _mZdm| _| àmW{_H$ à{Vajm AZw{H«$`m H$s Anojm {ÛVr`H$ à{Vajm AZw{H«$`m A{YH$ Vrd« 
Š`m| hmoVr h¡ ? 1 
Why is secondary immune response more intense than the primary 
immune response in humans ? 
4. {H$gr {dOmVr` DNA Ho$ {bE Eogm Š`m| g§^d Zht h¡ {H$ dh H«$mo_mogmo_ H$s b§~mB© _| {H$gr 
^r OJh na CgH$m hr A§e ~Z OmE Am¡a gm_mÝ` ê$n go à{VH¥${V`Z H$aVm aho ? 1 
Why is it not possible for an alien DNA to become part of a chromosome 
anywhere along its length and replicate normally ? 
5. _mZd BÝgw{bZ _| C noßQ>mBS> H$s ^y{_H$m ~VmBE & 1 
State the role of C peptide in human insulin. 
6. nwZ`m}JO DNA àm¡Úmo{JH$s Ho$ {bE OrdmÊdr` (~¡ŠQ>r[a`b) VWm H$dH$s` H$mo{eH$mAm| _| 
DNA Ho$ n¥WŠH$aU _| BñVo_mb {H$E OmZo dmbo E§µOmB_m| Ho$ Zm_ {b{IE & 1 
Name the enzymes that are used for the isolation of DNA from bacterial 
and fungal cells for recombinant DNA technology. 
7. Jm°go H$m à{VñnYm©Ë_H$ AndO©Z {gÕm§V ~VmBE & 1 
State Gause’s Competitive Exclusion Principle. 
8. Cg gmhM`©-àê$n H$m Zm_ {b{IE Omo OrZg ½bmo_g  CƒVa nm¡Ym| Ho$ gmW hmoVm Xem©Vr  
h¡ & 1 
Name the type of association that the genus Glomus exhibits with higher 
plants. 
57/1 4 
IÊS> B 
SECTION B 
9. _mZd d¥fU CXa Jwhm Ho$ ~mha Š`m| pñWV hmoVo h¢ ? Cg W¡br H$m Zm_ {b{IE {OgHo$ ^rVa 
do _m¡OyX hmoVo h¢ & 2 
Why are the human testes located outside the abdominal cavity ? Name 
the pouch in which they are present. 
10. ñZ¡nS´>¡JZ _|, O~ `WmW© àOZZH$mar bmb \y$b (RR) dmbo nm¡Ym| H$m `WmW© àOZZH$mar 
gµ\o$X \y$b (rr) dmbo nm¡Ym§o Ho$ gmW g§H$aU H$am`m J`m Vmo CZH$s g§VmZ| Eogo nm¡Yo ~Zo {OZ_| 
g^r \y$b Jwbm~r a§J Ho$ Wo & 2 
(a) Jwbm~r \y$bm| H$m àH$Q> hmoZm gpå_lU Zht H$hbmVm & Eogm Š`m| ? 
(b) Bg n[aKQ>Zm H$mo {H$g Zm_ go OmZm OmVm h¡ ? 
In Snapdragon, a cross between true-breeding red flowered (RR) plants 
and true-breeding white flowered (rr) plants showed a progeny of plants 
with all pink flowers. 
(a) The appearance of pink flowers is not known as blending. Why ? 
(b) What is this phenomenon known as ? 
11. _mZd g_pîQ> _| ghà^m{dVm VWm ~hþ{dH$ënVm H$s n[aKQ>ZmAm| H$mo EH$ CXmhaU H$s 
ghm`Vm go ñnï> H$s{OE & 2 
With the help of one example, explain the phenomena of co-dominance 
and multiple allelism in human population. 
12. \$b-_ŠIr H$m d¡km{ZH$ Zm_ {b{IE & _m°J©Z Zo AnZo à`moJm| _| \$b-_pŠI`m| H$m hr Š`m| 
Cn`moJ {H$`m ? H$moB© VrZ H$maU {b{IE & 2 
AWdm 
 OrZm| H$s ghb½ZVm Ed§ CZH$m {d{Z_` EH$-Xÿgao Ho$ {dH$ënr h¢ & EH$ CXmhaU H$s ghm`Vm 
go Bg H$WZ H$mo Ý`m`g§JV H$s{OE & 
Page 5


57/1 1 P.T.O. 
narjmWu H$moS >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð 
>na Adí` {bIo§ & 
Candidates must write the Code on the 
title page of the answer-book. 
 Series OSR  
H$moS> Z§.      
57/1
 
 
Code No. 
amob Z§. 
Roll No. 
 
 
 
 
 
 
 
 
 
 
 
Ord {dkmZ (g¡ÕmpÝVH$) 
BIOLOGY (Theory) 
 
{ZYm©[aV g_` : 3KÊQ>o   A{YH$V_ A§H$ : 70 
Time allowed : 3 hours Maximum Marks : 70 
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 12 h¢ & 
? àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS >Zå~a H$mo N>mÌ CÎma-nwpñVH$m Ho$ _wI-n¥ð> na 
{bI| & 
? H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >30 àíZ h¢ & 
? H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, àíZ H$m H«$_m§H$ Adí` {bI| & 
? Bg  àíZ-nÌ  H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m g_` {X`m J`m h¡ &  àíZ-nÌ H$m {dVaU nydm©• 
_| 10.15 ~Oo {H$`m OmEJm &  10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-nÌ H$mo n‹T>|Jo 
Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo & 
? Please check that this question paper contains 12 printed pages. 
? Code number given on the right hand side of the question paper should be 
written on the title page of the answer-book by the candidate. 
? Please check that this question paper contains 30 questions. 
? Please write down the Serial Number of the question before 
attempting it. 
? 15 minutes time has been allotted to read this question paper. The question 
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the 
students will read the question paper only and will not write any answer on 
the answer-book during this period. 
57/1 2 
 
gm_mÝ` {ZX}e : 
(i) g^r àíZ A{Zdm`© h¢ & 
(ii) Bg àíZ-nÌ _| Mma IÊS> A, B, C Am¡a D h¢ & IÊS> A _| 8 àíZ h¢ {OZ_| àË`oH$ H$m 
EH$ A§H$ h¡, IÊS> B _| 10 àíZ h¢ {OZ_| àË`oH$ Ho$ Xmo A§H$ h¢, IÊS> C _| 9 àíZ h¢ 
{OZ_| àË`oH$ Ho$ VrZ A§H$ h¢ VWm IÊS> D _| 3 àíZ h¢ {OZ_| àË`oH$ Ho$ nm±M A§H$ h¢ & 
(iii) H$moB© g_J« M`Z-{dH$ën (AmodaAm°b Mm°Bg) CnbãY Zht h¡ & {\$a ^r, 2 A§H$m| dmbo EH$ 
àíZ _|, 3 A§H$m| dmbo EH$ àíZ _| Am¡a 5 A§H$m| dmbo g^r VrZm| àíZm| _| ^rVar  
M`Z-{dH$ën {XE JE h¢ &  Eogo àíZm| _| {dÚmWu H$mo Ho$db EH$ hr {dH$ën H$m CÎma XoZm  
h¡ & 
(iv) Ohm± ^r Amdí`H$ hmo, ~ZmE OmZo dmbo AmaoI gmµ\$-gwWao VWm g_w{MV ê$n _| Zm_m§{H$V  
hm| & 
 
General Instructions : 
(i) All questions are compulsory. 
(ii) This question paper consists of four Sections A, B, C and D. Section A 
contains 8 questions of one mark each, Section B is of 10 questions of two 
marks each, Section C is of 9 questions of three marks each and  
Section D is of 3 questions of five marks each. 
(iii) There is no overall choice. However, an internal choice has been provided 
in one question of 2 marks, one question of 3 marks and all the three 
questions of 5 marks weightage. A student has to attempt only one of the 
alternatives in such questions. 
(iv) Wherever necessary, the diagrams drawn should be neat and properly 
labelled. 
57/1 3 P.T.O. 
IÊS> A 
SECTION A 
1. \y$b Ho$ Cg ^mJ H$m Zm_ ~VmBE {OgH$m à{Vê$nU ^wÅ>o H$s Jw„r Ho$ \w§$XZo H$aVo h¢ & 1 
Name the part of the flower which the tassels of the corn-cob represent.  
2. _Q>a Ho$ nm¡Yo Ho$ ~rOm| Ho$ g§~§Y _| Eogo H$moB© Xmo nañna {damoYr bjU ~VmBE {OZH$m _oÝS>ob 
Zo AÜ``Z {H$`m Wm & 1 
Mention any two contrasting traits with respect to seeds in pea plant that 
were studied by Mendel. 
3. _mZdm| _| àmW{_H$ à{Vajm AZw{H«$`m H$s Anojm {ÛVr`H$ à{Vajm AZw{H«$`m A{YH$ Vrd« 
Š`m| hmoVr h¡ ? 1 
Why is secondary immune response more intense than the primary 
immune response in humans ? 
4. {H$gr {dOmVr` DNA Ho$ {bE Eogm Š`m| g§^d Zht h¡ {H$ dh H«$mo_mogmo_ H$s b§~mB© _| {H$gr 
^r OJh na CgH$m hr A§e ~Z OmE Am¡a gm_mÝ` ê$n go à{VH¥${V`Z H$aVm aho ? 1 
Why is it not possible for an alien DNA to become part of a chromosome 
anywhere along its length and replicate normally ? 
5. _mZd BÝgw{bZ _| C noßQ>mBS> H$s ^y{_H$m ~VmBE & 1 
State the role of C peptide in human insulin. 
6. nwZ`m}JO DNA àm¡Úmo{JH$s Ho$ {bE OrdmÊdr` (~¡ŠQ>r[a`b) VWm H$dH$s` H$mo{eH$mAm| _| 
DNA Ho$ n¥WŠH$aU _| BñVo_mb {H$E OmZo dmbo E§µOmB_m| Ho$ Zm_ {b{IE & 1 
Name the enzymes that are used for the isolation of DNA from bacterial 
and fungal cells for recombinant DNA technology. 
7. Jm°go H$m à{VñnYm©Ë_H$ AndO©Z {gÕm§V ~VmBE & 1 
State Gause’s Competitive Exclusion Principle. 
8. Cg gmhM`©-àê$n H$m Zm_ {b{IE Omo OrZg ½bmo_g  CƒVa nm¡Ym| Ho$ gmW hmoVm Xem©Vr  
h¡ & 1 
Name the type of association that the genus Glomus exhibits with higher 
plants. 
57/1 4 
IÊS> B 
SECTION B 
9. _mZd d¥fU CXa Jwhm Ho$ ~mha Š`m| pñWV hmoVo h¢ ? Cg W¡br H$m Zm_ {b{IE {OgHo$ ^rVa 
do _m¡OyX hmoVo h¢ & 2 
Why are the human testes located outside the abdominal cavity ? Name 
the pouch in which they are present. 
10. ñZ¡nS´>¡JZ _|, O~ `WmW© àOZZH$mar bmb \y$b (RR) dmbo nm¡Ym| H$m `WmW© àOZZH$mar 
gµ\o$X \y$b (rr) dmbo nm¡Ym§o Ho$ gmW g§H$aU H$am`m J`m Vmo CZH$s g§VmZ| Eogo nm¡Yo ~Zo {OZ_| 
g^r \y$b Jwbm~r a§J Ho$ Wo & 2 
(a) Jwbm~r \y$bm| H$m àH$Q> hmoZm gpå_lU Zht H$hbmVm & Eogm Š`m| ? 
(b) Bg n[aKQ>Zm H$mo {H$g Zm_ go OmZm OmVm h¡ ? 
In Snapdragon, a cross between true-breeding red flowered (RR) plants 
and true-breeding white flowered (rr) plants showed a progeny of plants 
with all pink flowers. 
(a) The appearance of pink flowers is not known as blending. Why ? 
(b) What is this phenomenon known as ? 
11. _mZd g_pîQ> _| ghà^m{dVm VWm ~hþ{dH$ënVm H$s n[aKQ>ZmAm| H$mo EH$ CXmhaU H$s 
ghm`Vm go ñnï> H$s{OE & 2 
With the help of one example, explain the phenomena of co-dominance 
and multiple allelism in human population. 
12. \$b-_ŠIr H$m d¡km{ZH$ Zm_ {b{IE & _m°J©Z Zo AnZo à`moJm| _| \$b-_pŠI`m| H$m hr Š`m| 
Cn`moJ {H$`m ? H$moB© VrZ H$maU {b{IE & 2 
AWdm 
 OrZm| H$s ghb½ZVm Ed§ CZH$m {d{Z_` EH$-Xÿgao Ho$ {dH$ënr h¢ & EH$ CXmhaU H$s ghm`Vm 
go Bg H$WZ H$mo Ý`m`g§JV H$s{OE & 
57/1 5 P.T.O. 
Write the scientific name of the fruit-fly. Why did Morgan prefer to work 
with fruit-flies for his experiments ? State any three reasons. 
OR 
Linkage and crossing-over of genes are alternatives of each other. Justify 
with the help of an example.  
13. EoñHo$[agVm (EoñHo$[aE{gg) Ho$ amoJbjUmo§ H$s gyMr ~ZmBE & {H$gr ñdñW ì`{º$ _| `h 
g§H«$_U {H$g àH$ma nhþ±MVm h¡ ? 2 
List the symptoms of Ascariasis. How does a healthy person acquire this 
infection ? 
14. {H$gr nm[apñW{VH$s g§doXZerb joÌ _| OrZg Ý`ypŠbAmonm°{bhoS´>modmBag H$s _hÎdnyU© 
^y{_H$m g_PmBE & 2 
Explain the significant role of the genus Nucleopolyhedrovirus in an 
ecological sensitive area. 
15. aopñQ´>ŠeZ (à{V~§YZ) Ý`ypŠbEµO {H$g àH$ma H$m`© H$aVm h¡ ? g_PmBE & 2 
How does a restriction nuclease function ? Explain. 
16. nmaOrZr àmUr {ZåZ{b{IV Ho$ {df` _| {H$g àH$ma bm^H$mar {gÕ hþE h¢ :$ 2 
(a) O¡{dH$s` CËnmXm| Ho$ CËnmXZ 
(b) amgm`{ZH$ gwajm narjU 
How have transgenic animals proved to be beneficial in : 
(a) Production of biological products 
(b) Chemical safety testing 
17. A§Ora Ho$ d¥j Am¡a VV¡`o Ho$ ~rM nañna g§~§Y H$m dU©Z H$s{OE Am¡a Cg n[aKQ>Zm na 
{Q>ßnUr H$s{OE Omo CZHo$ g§~§Y _| H$m`© H$aVr h¡ & 2 
Describe the mutual relationship between fig tree and wasp and 
comment on the phenomenon that operates in their relationship. 
18. EH$ Eogm Am`w {na¡{_S> ~ZmBE {Og_| _mZd OZg§»`m H$s àgaUerb d¥{Õ H$s pñW{V 
àX{e©V hmoVr hmo & 2 
Construct an age pyramid which reflects an expanding growth status of 
human population.