HBSE Class 12 Biology Question Paper 2017 Set B

CLASS : 12th (Sr. Secondary) Code No. 2030
Series : SS-M/2017

Roll No. SET : B

tho foKku
BIOLOGY
[ Hindi and English Medium ]
ACADEMIC/OPEN
(Only for Fresh Candidates)
(Evening Session)
Time allowed : 3 hours ] [ Maximum Marks : 60

• Ñi;k tk¡p dj ysa fd bl iz'u&i= esa eqfnzr iz'u 18 gSaA
Please make sure that the printed question paper are contains 18
questions.
• iz'u&i= esa nkfgus gkFk dh vksj fn;s x;s dksM uEcj rFkk lsV dks Nk= mÙkj&iqfLrdk ds
eq[;&i`"B ij fy[ksaA
The Code No. and Set on the right side of the question paper should be
written by the candidate on the front page of the answer-book.
• Ñi;k iz'u dk mÙkj fy[kuk 'kq: djus ls igys] iz'u dk Øekad vo'; fy[ksaA
Before beginning to answer a question, its Serial Number must be written.
• mÙkj&iqfLrdk ds chp esa [kkyh iUuk@iUus u NksMsa+A

Don’t leave blank page/pages in your answer-book.

• mÙkj&iqfLrdk ds vfrfjDr dksbZ vU; 'khV ugha feysxhA vr% vko';drkuqlkj gh fy[ksa vkSj fy[kk
mÙkj u dkVsaA

2030/(Set : B) P. T. O.

(2) 2030/(Set : B)
Except answer-book, no extra sheet will be given. Write to the point and do

not strike the written answer.

• ijh{kkFkhZ viuk jksy ua0 iz'u&i= ij vo'; fy[ksaA

Candidates must write their Roll Number on the question paper.

• d`i;k iz'uksa dk mÙkj nsus lss iwoZ ;g lqfuf'pr dj ysa fd iz'u&i= iw.kZ o lgh gS] ij
ijh{kk
h{kk ds
mijkUr bl lEcU/k esa dksbZ Hkh nkok Lohdkj ugha fd;k tk;sxkA
Before answering the questions, ensure that you have been supplied the

correct and complete question paper, no claim in this regard, will be

entertained after examination.

lkekU; funsZ'k %

(i) lHkh iz'u vfuok;Z gSaA

(ii) bl ç'u-i= esa dqy 18 iz'u gSa] tks pkj [k.Mksa % v] c] l rFkk n esa foHkDr gSaA

(iii) [k.M & v ds iz'u la[;k 1 esa ckjg (i-xii) Hkkx gSa ftuesa ls (i) ls (viii) rd
cgqfodYih; rFkk (ix) ls (xii) rd oLrqfu"B izdkj ds iz'u gSaA izR;sd iz'u 1 vad dk
gSA

(iv) [k.M & c esa iz'u la[;k 2 ls 10 rd vfr-y?kwÙkjkRed iz'u gSa] izR;sd ds 2 vad gSaA

(v) [k.M & l esa iz'u la[;k 11 ls 15 rd y?kwÙkjkRed iz'u gSa] izR;sd ds 3 vad gSaA

2030/(Set : B)

(3) 2030/(Set : B)
(vi) [k.M& n esa iz'u la[;k 16 ls 18 rd nh?kZ mÙkjkRed iz'u gaS] izR;sd ds 5 vad gSaA

(vii) lHkh nh?kZ mÙkjkRed iz'uksa esa vkarfjd NwV miyC/k gSA ,sls iz'uksa esa ls vkidks dsoy
,d gh iz'u djuk gSA
General Instructions :

(i) All questions are compulsory.

(ii) This question paper contains 18 questions, which are divided into
four Sections : A, B, C and D.

(iii) Section – A contains question number 1 having twelve (i-xii) parts, in
which (i) to (viii) are multiple choice type and (ix) to (xii) are objective type
questions. Each question carry 1 mark.

(iv) Section – B contains question numbers 2 to 10 of very short answer
type questions and carry 2 marks each.

(v) Section – C contains question numbers 11 to 15 of short answer type
questions and carry 3 marks each.

(vi) Section – D contains question numbers 16 to 18 of long answer type
questions and carry 5 marks each.

(vii) Internal choice is available in all long answer type questions. You
have to attempt only one of the given choice in such questions.

[k.M – v
SECTION – A
¼oLrqfu"B iz'u½
(Objective Type Questions)

1. (i) fuEufyf[kr esa ls dkSu-ls tho esa vySafxd tuu tSE;wy }kjk gksrk gS \ 1

2030/(Set : B) P. T. O.

(4) 2030/(Set : B)
(A) iSjkehf'k;e
(B) Liat
(C) gkbMªk
(D) iSuhflfy;e
In which of the following organisms, asexual reproduction occurs
by gemmules ?
(A) Paramoecium
(B) Sponge
(C) Hydra
(D) Penicillium

(ii) esaMy }kjk v/;;u fd, x, eVj ds ikS/ks esa fuEufyf[kr esa ls dkSu-lk fo'ks"kd
vizHkkoh gS \ 1
(A) cht dk ihyk jax
(B) Qyh dk ihyk jax
(C) Qwy dk cSaxuh jax
(D) cht dk xksy vkdkj

Which one of the following trait of pea plant studied by Mendel is
recessive ?

(A) Yellow seed colour

(B) Yellow pod colour

(C) Violet colour

(D) Round seed shape

(iii) fuEufyf[kr vkj vkj ,u , esa dkSu-lk thok.kqvksa esa lajpukRed vkj ,u , rFkk
batkbe dh rjg dk;Z djrk gS \ 1

2030/(Set : B)

(5) 2030/(Set : B)
(A) 5 S vkj vkj ,u ,

(B) 23 S vkj vkj ,u ,

(C) 18 S vkj vkj ,u ,

(D) 5.8 S vkj vkj ,u ,

Which of the following rRNA acts as structural RNA as well as
enzyme in bacteria ?

(A) 5 S rRNA

(B) 23 S rRNA

(C) 18 S rRNA

(D) 5.8 S rRNA

(iv) iz;ksxksa }kjk ;g fdlus iznf'kZr fd;k fd thou igys ls fo|eku thou ls gh iSnk gksrk
gS \ 1

(A) vksisfju
(B) gkyMsu
(C) yqbZ ik'pj
(D) MkfoZu
Through experimentation, who demonstrated that life comes only
from pre-existing life ?

(A) Oparin

(B) Haldane

(C) Louis Pasteur

2030/(Set : B) P. T. O.

(6) 2030/(Set : B)
(D) Darwin

(v) fuEufyf[kr esa ls lkekU; tqdke dk jksx dkjd dkSu-lk gS \ 1

(A) lkyeksusyk
(B) gheksfQyl ba¶yq,ath
(C) oqpsjsfj;k
(D) jkbuksok;jl
Which one of the following is a pathogen of common cold ?
(A) Salmonella
(B) Haemophilous influenzae
(C) Wuchereria
(D) Rhinovirus

(vi) /kku dh vf/kd mRiknu nsus okyh v/kZokeu dkSu-lh fdLe dks Hkkjr esa fodflr fd;k
x;k \ 1
(A) jRuk
(B) vkbZ vkj - 8
(C) rkbpqax usfVo - 1
(D) dY;k.k lksuk
Which high yielding semidwarf variety of rice were developed in
India ?
(A) Ratna
(B) I R - 8
(C) Taichung Native - 1
(D) Kalyan Sona

2030/(Set : B)

(7) 2030/(Set : B)
(vii) ySDVkscSlhyl uked thok.kq dk mi;ksx dkSu-ls [kk| mRikn cukus esa fd;k tkrk gS \
1
(A) Mkslk
(B) bMyh
(C) ngh
(D) rkM+h
Bacterium, Lactobacillus is used in the preparation of edible
product :
(A) Dosa
(B) Idli
(C) Curd
(D) Toddy

(viii) iw.kZ fo'oO;kih m".krk ds fy, dkcZu MkbvkWDlkbM dk lkisf{kd ;ksxnku fdruk gS \
1
(A) 20%
(B) 14%
(C) 60%
(D) 6%
How much is the relative contribution of carbon dioxide to total
global warming ?
(A) 20%
(B) 14%
(C) 60%
(D) 6%

(ix) thoksa ds fy, tuu D;ksa vko';d gS \ 1

Why is reproduction essential for organisms ?

2030/(Set : B) P. T. O.

(8) 2030/(Set : B)
(x) fpfdRlh; laxHkZrk lekiu fdls dgrs gSa \ 1

What is medical termination of pregnancy ?

(xi) vlqxqf.krk fdls dgrs gSa \ 1

What is aneuploidy ?

(xii) ifjra= esa fLFkr voLFkk fdls dgrs gSa \ 1

What is standing state in an ecosystem ?

[k.M
[k.M – c
SECTION – B
¼vfr-y?kwÙkjkRed iz'u½
(Very Short Answer Type Questions)

2. ,d vkn'kZ xHkZ fujks/kd ds dksbZ pkj xq.k crkb,A 2

Mention any four features of an ideal contraceptive.

3. thoksa esa rqY;:ih; lajpuk,¡ D;k gksrh gSa \ ;s fdl izdkj ds fodkl dks fu:fir djrh gSa \
2

What are analogous structures in organisms ? State the kind of
evolution they represent.

4. 'kjhj dh lkekU; dksf'kdkvksa esa lEidZ laneu D;k gksrk gS \ bu dksf'kdkvksa esa bl xq.k/keZ ds
lekIr gks tkus ij D;k ifj.kke gksrs gSa \ 2
What is contact inhibition in the normal cells of the body ? What are
the consequences, when this property is lost by these cells ?

5. eosf'k;ksa esa var% iztuu dk D;k ykHk gS \ lrr tkjh var% iztuu ls eos'kh lef"V fdl
izdkj izHkkfor gksrh gS \ 2

2030/(Set : B)

(9) 2030/(Set : B)
What is the advantage of inbreeding in cattle ? How does continued
inbreeding affect the cattle population ?

6. ,slk D;ksa gS fd chVh VkWfDlu ml thok.kq dks rks ugha ekjrk ftlls og curk gS] ij bls
var%xzg.k djus okys dhV dks ekj nsrk gS \ le>kb,A 2

Why does the Bt toxin not kill the bacterium that produces it but kills
the insect that ingest it ? Explain.

7. lgHkksftrk D;k gksrh gS \ bl lef"V ikjLifjd fØ;k dk ,d mnkgj.k ikS/ks ls rFkk ,d
tUrqvksa ls nhft,A 2

What is commensalism ? Give one example of this population
interaction from plants and one from animals.

8. leqnz esa tSo ek=k dk fijkfeM izk;% mYVk D;ksa gksrk gS \ le>kb,A 2

Why is pyramid of biomass in sea generally inverted ? Explain.

9. tSo fofo/krk ds laj{k.k esa ifo= miouksa dh Hkwfedk le>kb,A 2
Explain the role of sacred groves in conservation of biodiversity.

10. fdlh tyjkf'k esa 'kSoky izLQqVu fdl dkj.k ls gksrk gS \ blls tyjkf'k fdl izdkj izHkkfor
gksrh gS \ 2

What is the cause of algal bloom in a water body ? How does it affect

the water body ?

2030/(Set : B) P. T. O.

( 10 ) 2030/(Set : B)
[k.M – l
SECTION – C

¼y?kwÙkjkRed iz'u½
(Short Answer Type Questions)

11. DykbuQsYVj flaMªkse ds ckjs esa fyf[k,A 3

Write about Klinefelter's Syndrome.

12. ehFkSukstu thok.kq D;k gSa \ ;s ck;ksxSl mRiknu esa dSls lgk;rk djrs gSa \ 3

What are methanogens ? How do they help to generate biogas ?

13. Mh ,u , ds fy, dksf'kdk f>fYy;ksa esa ls xqtj ikuk D;ksa dfBu gksrk gS \ thok.kq dksf'kdk dks
Mh ,u , ¼IykfTeM½ Hkhrj ys tkus gsrq fdl izdkj l{ke cuk;k tkrk gS \ 3

Why is it difficult for DNA to pass through cell membranes ? How is a
bacterial cell made competent to take up DNA (plasmid) ?

14. vesfjdh dEiuh ,yh fyyh us rDNA izkS|ksfxdh dh tkudkjh dks ekuo bUlqfyu mRiknu esa
fdl izdkj iz;qDr fd;k \ 3

How did an American Company Eli Lilly use the knowledge of rDNA
technology to produce human insulin ?

15. ,sls vusd izk.kh gSa tks ouksa esa ls yqIr gks pqds gSa] ijUrq fpfM+;k?kjksa esa dk;e j[ks tk jgs gSaA

There and many animals that have become extinct in the wild, but
continue to be maintained in zoological parks.

2030/(Set : B)

( 11 ) 2030/(Set : B)
(i) bl ekeys esa fdl izdkj dk tSo fofo/krk laj{k.k gksrk ns[kk tkrk gS \
What type of biodiversity conservation is observed in this case ?

(ii) ,sls dksbZ nks vU; rjhds le>kb, tks bl izdkj ds laj{k.k esa lgk;rk djrs gSaA
Explain any two other ways which help in this type of
conservation.
[k.M – n
SECTION – D
¼nh?kZ mÙkjkRed iz'u½
(Long Answer Type Questions)

16. iq"ih ikni esa xq# chtk.kq ekr` dksf'kdk ls ifjiDo Hkz.kdks"k cuus dh ?kVuk dk lfp= o.kZu
dhft,A 5

With the help of diagram, describe the formation of embryo sac from
megaspore mother cell in a flowering plants.
vFkok
OR

(i) ,d iq"ih ikni ds xq# chtk.kq/kkuh dh dkV dk vkjs[k cukb, rFkk mlesa cht.M o`ar]
chtk.M }kj] chtk.M dk; rFkk Hkzw.kdks"k dk ukekadu dhft,A 3

Draw a diagram of a section of a mega- sporangium of a flowering
plant and label funiculus, micropyle, nucellus and embryo sac in
it.

(ii) ml dkcZfud inkFkZ dk uke crkb, tks ijkxd.k ds okg~; pksy dk fuekZ.k djrk gSA
;g inkFkZ ijkxd.k ds fy, fdl izdkj mi;ksxh gS \ 2
Name the organic material exine of the pollengrain is made up of.
How is this material advantageous to the pollen grain ?
2030/(Set : B) P. T. O.

( 12 ) 2030/(Set : B)
17. eknk ekuo esa vaMtuuh ls v.Mk.kq ds fodkl dh izfØ;k dk o.kZu dhft,A 5

Describe the process of development of an ovum from an oogonium in
human female.
vFkok
OR

laxHkZrk ds fofHkUu eghuksa esa ekuo Hkzw.k ifjo/kZu ds le; gksus okyh izeq[k ?kVukvksa dk o.kZu
dhft,A 5

Describe the various events in human embryonic development at
various months of pregnancy.

18. Mh ,u , vkuqoaf'kd inkFkZ gS] blds ckjs esa lqLi"V iz;ksxkRed izek.k fdlus fn;k Fkk \ muds
bl iz;ksx dk o.kZu dhft,A 5

Who gave unequivocal experimental proof that DNA is the genetic
material ? Describe their experiment.
vFkok
OR

eslylu rFkk LVkgy ds iz;ksx dk D;k mís'; Fkk \ crkb, ,oa mldk o.kZu dhft,A 5

State the aim and describe Meselson and Stahl's experiment.

s
2030/(Set : B)