HBSE Class 12 Biology Question Paper 2017 Set D

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

Roll No. SET : D

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

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(2) 2030/(Set : D)
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] ijh{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'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

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(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 ikS/ks esa dkf;d izo/kZu cqyfcy }kjk gksrk gS \ 1

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(A) czk;ksfQye
(B) vxSo
(C) dkjk
(D) ty gk;flaFk
In which of the following plant vegetative propagation occurs by
bulbils ?
(A) Bryophyllum
(B) Agave
(C) Chara
(D) Water Hyacinth

(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) Qyh dk fldqM+k vkdkj
(B) cht dk xksy vkdkj
(C) rus dh yEch Å¡pkbZ
(D) Qyh dk gjk jax

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

(A) Constricted pod shape

(B) Round seed shape

(C) Tall stem height

(D) Green pod colour

(iii) fuEufyf[kr esa ls dkSu-lk ca/k f}daqMyh Mh ,u , esa ugha gksrk gS \ 1

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(5) 2030/(Set : D)
(A) gkbMªkstu ca/k
(B) iSIVkbM ca/k
(C) XykbdksflfMd ca/k
(D) QkWLQksMkbLVj ca/k
Which of the following bond is not present in DNA double helix ?

(A) Hydrogen bond

(B) Peptide bond

(C) Glycosidic bond

(D) Phosphodiester bond

(iv) ;g fdl oSKkfud esa dgk Fkk fd mRifjorZu gh fodkl dk dkj.k gS] u fd NksVh-NksVh
fofo/krk,¡ \ 1

(A) vksisfju
(B) ySekdZ
(C) Mh osjht
(D) MkfoZu
Which scientist stated that it is the mutation which causes evolution
and not the minor variations ?

(A) Oparin

(B) Lamarck

(C) de Vries

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(D) Darwin

(v) fuEufyf[kr esa ls Msaxw jksx dk jksxokgd dkSu-lk gS \ 1
1 1

(A) ?kjsyw eD[kh
(B) D;wySDl ePNj
(C) ,suksQsyht ePNj
(D) ,Mht ePNj
Which one of the following is the vector of Dengue disease ?

(A) House fly

(B) Culex mosquito

(C) Anopheles mosquito

(D) Aedes mosquito

(vi) /kku dh vf/kd mRiknu nsus okyh v)Zokeu dkSu-lh fdLe dks rkboku esa O;qRiUu fd;k
x;k gS \ 1

(A) rkbpqax usfVo - 1
(B) jRuk
(C) t;k
(D) vkbZ vkj - 8

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Which high yielding semi dwarf variety of rice is developed at
Taiwan ?

(A) Taichung Native - 1

(B) Ratna

(C) Jaya

(D) IR-8

(vii) czholZ ;hLV dk mi;ksx dkSu-ls vkS|ksfxd mRikn cukus esa fd;k tkrk gS \ 1

(A) czsM
(B) ,FkkukWy
(C) isuhflfyu
(D) ,lhfVd vEy
Brewer's Yeast is used in the preparation of industrial product :

(A) Bread

(B) Ethanol

(C) Penicillin

(D) Acetic acid

(viii) lerki eaMy esa vkstksu ijr dk fuEuhdj.k ds fy, dkSu-lh xSl mÙkjnk;h gS \ 1

(A) dkcZu MkbvkWDlkbM
(B) lh ,Q lht
(C) lYQj MkbvkWDlkbM
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(D) ukbVªl vkWDlkbM
Which gas is responsible for the degradation of ozone layer in
stratosphere ?

(A) Carbon dioxide

(B) CFCs

(C) Sulphur dioxide

(D) Nitrous oxide

(ix) dkf;d izo/kZu fdls dgrs gSa \ 1

What is vegetative propagation ?

(x) ufydk mPNsnu fdls dgrs gSa \ 1

What is tubectomy ?

(xi) f=lw=rk fdls dgrs gSa \ 1

What is trisomy ?

(xii) ifjra= esa f}rh;d mRiknd fdls dgrs gSa \ 1

What is secondary productivity in an ecosystem ?

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

2. gkeksZu ekspd vkbZ ;w Mh dk ,d mnkgj.k nhft,A ;g xHkZ fujks/ku esa fdl izdkj lgk;d gksrs
gSa \ 2
Give an example of hormone releasing IUDs. How does it help in
preventing pregnancy ?

3. i{kh vkSj frryh ds ia[k D;k letkr vax gSa ;k lerqY; vax] le>kb, \ ;s fdl izdkj ds
fodkl dks fu:fir djrs gSa \ 2
Are the wings of a bird and butterfly homologous organs or analogous
organs ? Explain, and state the kind of evolution they represent.

4. ,d O;fDr VkbQkbM Toj ls xzLr gSA mu jksx y{k.kksa dks lwphc) dhft, ftuls bl laØe.k
dh iqf"V dh tk ldrh gSA bl laØe.k ds dkjd jksxtud dk uke crkb,A 2
A patient is down with typhoid fever. List the symptoms that confirm
this infection. Name the causative pathogen.

5. eosf'k;ksa esa vUr%iztuu ls D;k gkfu gksrh gS] fyf[k, \ blls fdl izdkj NqVdkjk ik;k tk
ldrk gS \ 2
State the disadvantage of inbreeding among cattle. How it can be
overcome ?

6. , Mh , ,atkbe ds uke dks foLrkfjr dhft,A ekuo 'kjhj esa ;g ,Utkbe D;ksa vfuok;Z gS \
2

Expand the name of the enzyme ADA. Why is this enzyme essential in
the human body ?

7. vuqdwyu fdls dgrs gSa \ e#LFkyh; ikS/kksa esa ok"iksRltZu }kjk ty dh gkfu dks U;wure djus
okys vuqdwyu crkb,A 2

What are adaptation ? State the adaptations found in desert plants to
minimize water loss through transpiration.

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8. f}rh;d vuqØe.k fdu ifjfLFkfr;ksa esa vkjEHk gksrk gS \ ;g izkFkfed vuqØe.k ls vf/kd
rhozrk ls D;ksa gksrk gS \ 2

Under what circumstances does the secondary succession begin ? Why
does it proceed faster than primary succession ?

9. vkS|ksfxd mRiknksa esa tSo fofo/krk ds dksbZ nks mi;ksx crkb,A 2

State any two uses of biodiversity in industrial products.

10. okguksa esa lh ,u th dk mi;ksx Mhty ,oa isVªksy ls csgrj D;ksa gS \ dksbZ pkj dkj.k crkb,A
2

Why is the use of CNG in vehicles is better than diesel and petrol ? Give
any four reasons.

[k.M – l
SECTION – C
¼y?kwÙkjkRed iz'u½
(Short Answer Type Questions)
11. ekuo vkuqoaf'kdh ds v/;;u esa oa'kkoyh fo'ys"k.k D;ksa fd;k tkrk gS \ blls fudkys tk
ldus okys fu"d"kZ dks fyf[k,A 3
Why is pedigree analysis done in the study of human genetics ? State
the conclusions that can be drawn from it.
12. cSD;wyksokbjsjsl D;k gSa \ ihM+dksa ds tSo fu;a=.k esa budh Hkwfedk dh O;k[;k dhft,A
3
What are Baculoviruses ? Explain their role in bio-control of pests.
13. Dyksfuax osDVj ¼laokgd½ pBR 322 esa oj.k ;ksX; fpg~ud dk uke crkb,A budh Hkwfedk dh
ppkZ dhft,A 3
Name the selectable markers in the cloning vector pBR 322 ? Mention
the role they play.

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14. ikjthuh tUrq fdls dgrs gSa \ ikjthuh tUrqvksa dh tSfod mRikn esa Hkwfedk dh O;k[;k
dhft,A 3
What are transgenic animals ? Explain the role of transgenic animals in
biological products.
15. mnkgj.k nsdj le>kb, fd vkoklh; {kfr ,oa fo[k.Mu] tUrq ,oa ikS/kksa ds foyqIrhdj.k dk
dkj.k fdl izdkj gksrs gSa \ 3
Explain with examples how do habitat loss and fragmentation cause
extinction of plants and animals ?
[k.M – n
SECTION – D
¼nh?kZ mÙkjkRed iz'u½
(Long Answer Type Questions)

16. (i) ,d var% Hkzw.kiks"kh; ,di=h cht ds vuqizLFk dkV dk ukekafdr vkjs[k cukb,A 2

Draw a labelled diagram of L. S. of an endospermic monocot seed.

(ii) iq"ih ikni esa gksus okys fu"kspu dks nksgjk fu"kspu D;ksa dgk tkrk gS \ blesa fufgr
dksf'kdkvksa dh lw=-lw=rk crkb,A 2
Why is fertilization in an angiosperm referred to as double
fertilization ? Mention the ploidy of the cells involved.
vFkok
OR

(i) ,d f}chti=h iq"ih ikni esa Hkzw.k fodkl ds pj.kksa dk fp= ds lkFk o.kZu dhft,A 4
With the help of diagram describe the stages of embryo
development in a dicot flowering plant.

(ii) cgqHkzw.krk dk ,d mnkgj.k nsdj O;k[;k dhft,A 1
Explain polyembryony with an example.

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17. ekuo eknk esa izkFkfed vaMd dc vkSj dgk¡ curs gSa \ v.MksRlxZ gksus rd bu vaMdksa ds
ifjo/kZu dk o.kZu dhft,A 5
When and where are primary oocytes formed in human female ? Trace
the development of these oocytes till ovulation.
vFkok
OR
(i) ekuo eknk esa vaMk.kq ds fu"kspu ds le; D;k-D;k ?kVuk,¡ gksrh gSa \ le>kb,A 2
Explain the events taking place at the time of fertilization of an
ovum in a human female.
(ii) ;qXeut ds xHkkZ'k; esa vrjksfir gksus rd] mlesa gksus okys ifjo/kZuksa dk o.kZu dhft,A
3
Trace the development of the zygote upto its implantation in the
uterus.
18. (i) Mh ,u , izfrÑfr;u izfØ;k dh O;k[;k dhft,A bl izfØ;k esa
,Utkbeksa dh Hkwfedk ij fof'k"V tksj nhft,A 4
Explain the mechanism of DNA replication. Highlight the role of
enzymes in this process.
(ii) Mh ,u , izfrÑfr;u dks v/kZlaj{kh D;ksa crk;k tkrk gS \ 1
Why is DNA replication said to be semi-conservation ?
vFkok
OR

(i) vkj-LVªsu ds cSDVhfj;k dk ,l-LVªsu esa :ikUrfjr gksus dk fxzfQFk us fdl izdkj Li"V
fd;k Fkk \ 2

How did Griffith explain the transformation of R-strain bacteria
into S-strain ?

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(ii) eSfDy;kWbM] eSd dkVhZ rFkk ,ojh us mu v.kqvksa dh tSo jklk;fud izÑfr fdl izdkj
fu/kkZfjr dh Fkh] ftlds }kjk vkj-LVªsu ds cSDVhfj;k dk ,l-LVªsu esa ifjorZu gks tkrk
gS \ le>kb,A 3

Explain, how Macleod, McCarty and Avery determined the
biochemical nature of the molecules responsible for transforming
R- strain bacteria into S-strain ?

s

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