HBSE Class 12 Question Paper 2019 Biology

CLASS : 12th (Sr. Secondary) Code No. 4330
Series : SS-M/2019
Roll No. SET : A

tho foKku
BIOLOGY
[ Hindi and English Medium ]
ACADEMIC/OPEN
(Only for Fresh/Re-appear Candidates)

Time allowed : 3 hours ] [ Maximum Marks : 70

• d`i;k tk¡p dj ysa fd bl iz'u-i= esa eqfnzr i`"B 16 rFkk
iz'u 21 gSaA

Please make sure that the printed pages in this
question paper are 16 in number and it contains
21 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.

4330/(Set : A) P. T. O.

(2) 4330/(Set : A)
• d`i;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
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.

4330/(Set : A)

(3) 4330/(Set : A)
lkekU; funsZ'k %

(i) lHkh iz'u vfuok;Z gSaA

(ii) bl ç'u-i= esa dqy 21 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 pkSng (i-xiv) oLrqfu"B
iz'u gSaA iz'u (i) ls (v) rd cgqfodYih; iz'u gSaA izR;sd
iz'u esa pkj fodYi fn, x, gSa ftlesa ls lgh fodYi dk
p;u dhft,A iz'u (vi) ls (xiv) rd izR;sd dk mÙkj ,d
;k nks 'kCnksa ;k okD;ksa esa nhft,A izR;sd iz'u 1 vad dk
gSA

(iv) [k.M & c esa iz'u la[;k 2 ls 11 rd vfr-y?kwÙkjkRed
iz'u gSaA izR;sd iz'u ds 2 vad gSaA

(v) [k.M & l esa iz'u la[;k 12 ls 18 rd y?kwÙkjkRed iz'u
gSaA izR;sd iz'u ds 3 vad gSaA

(vi) [k.M & n esa iz'u la[;k 19 ls 21 rd nh?kZ mÙkjkRed
iz'u gaSA izR;sd iz'u ds 5 vad gSaA
4330/(Set : A) P. T. O.

(4) 4330/(Set : A)
(vii) [k.M & n ¼nh?kZ mÙkjkRed iz'u½ ds nks iz'uksa esa vkUrfjd
fodYi miyC/k gSA ,sls iz'uksa esa ls vkidks nh x;h NwV esa
ls dsoy ,d gh iz'u djuk gSA

General Instructions :

(i) All questions are compulsory.

(ii) This question paper contains 21 questions,
which are divided into four Sections : A, B,
C and D.

(iii) Section – A contains question number 1
having fourteen (i-xiv) objective type questions.
Question from (i) to (v) multiple choice type
questions. Each question carries four options,
from which choose the correct option. The
answer of each question from (vi) to (xiv) may be
given in one or two words or sentences. Each
question carries 1 mark.

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

4330/(Set : A)

(5) 4330/(Set : A)
(v) Section – C contains question numbers 12 to
18 of short answer type questions and carry
3 marks each.

(vi) Section – D contains question numbers 19 to
21 of long answer type questions and carry
5 marks each.

(vii) Internal choice is available in two questions
of Section-D (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) euq"; esa vfyax Øksekslkse ds fdrus tksM+s gksrs gSa \ 1

(A) 44

(B) 46

(C) 22

(D) 23

4330/(Set : A) P. T. O.

(6) 4330/(Set : A)
How many pairs of autosomal
chromosomes are present in human ?

(A) 44

(B) 46

(C) 22

(D) 23

(ii) lhykdsFa k D;k Fkh \ 1

(A) vd'ks#dh

(B) eNyh

(C) mHk;pj

(D) ljhl`i

Coelacanth was a :

(A) Invertebrate

(B) Fish

(C) Amphibian

(D) Reptile
4330/(Set : A)

(7) 4330/(Set : A)
(iii) ,d f}jTtqdh; Mh ,u , eas 20% lkbVkslhu gSA bleas
fdrus izfr'kr Fkk;feu gksxh \ 1

(A) 20%

(B) 40%

(C) 30%

(D) 10%

A double stranded DNA has 20% cytosine.
What will be the percentage of thiamine in
it ?

(A) 20%

(B) 40%

(C) 30%

(D) 10%

(iv) ekuo ds 'Y' xq.klw= eas fdrus thu gksrs gSa \ 1

(A) 231

(B) 456

(C) 196

(D) 192

4330/(Set : A) P. T. O.

(8) 4330/(Set : A)
How many genes are present in human 'Y'
chromosome ?

(A) 231

(B) 456

(C) 196

(D) 192

(v) izkFkfed ylhdkHk vax dkSu&lk gS \ 1

(A) Iyhgk ¼LIyhu½

(B) ylhdk xzafFk;k¡

(C) is;j iSp

(D) buesa ls dksbZ ugha

Which is a primary lymphoid organ ?

(A) Spleen

(B) Lymph node

(C) Peyer's patch

(D) None of these
4330/(Set : A)

(9) 4330/(Set : A)
(vi) rackdw ds ikS/ks dh tM+ksa dks laØfer djus okys lw=d`fe dk
uke fyf[k,A 1

Name the nematode which infects the roots
of tobacco plant.

(vii) ml oSKkfud dk uke fyf[k, ftlus ^lgyXurk* ¼fyadst½

'kCn fn;kA 1

Name the scientist who coined the term
'linkage'.

(viii) 2002 eas lrr fodkl ij fo'o lEesyu dgk¡ ij
gqvk \ 1

Where was the World Summit of
Sustainable Development held in 2002 ?

(ix) fo;qDrkaMih vkSj ;qDrkaMih D;k gS \ 1

What is Apocarpous and Syncarpous ?

(x) ijfu"kspu fdls dgrs gSa \ 1

What is Xenogamy ?

(xi) e/kqeD[kh dh vR;Ur lkekU; iztkfr dkSu&lh gS \ 1

Which is the most common species of
honeybee ?
4330/(Set : A) P. T. O.

( 10 ) 4330/(Set : A)
(xii) ml ikS/ks dk uke fyf[k, ftlls dksdsu izkIr dh tkrh

gSA 1

Name the plant from which Cocaine is
obtained.

(xiii) U;weksfu;k ds jksxtud dk uke fyf[k,A 1

Name causative organism of Pneumonia.

(xiv) MOET dks foLrkfjr dhft,A 1

Write the full form of MOET.

[k.M – c

SECTION – B

¼vfr-y?kwÙkjkRed iz'u½

(Very Short Answer Type Questions)

2. ikniksa eas fofHkUu dkf;d izo/;ks± ds uke fyf[k,A 2

Name various vegetative propagules in plants.

4330/(Set : A)

( 11 ) 4330/(Set : A)
3. cgqr NksVs izk.kh /kzqoh; {ks=ksa eas fcjys gh D;kas ik, tkrs gSa \ 2

Why are small animals rarely found in polar
regions ?

4. tSo lfØ; v.kq ds mRiknu eas lw{ethoksa dh D;k Hkwfedk gksrh
gS \ 2

What is the role of microbes in the production of
bioactive molecules ?

5. tSo fu;a=.k eas cSD;wyksok;jslsl dh Hkwfedk fyf[k,A 2

Write down the role of Baculoviruses in
biological control.

6. cSfxax ¼cksjkoL=koj.k½ rduhd D;k gS \ ikni tuu dk;ZØe esa
;g dSls mi;ksxh gS \ 2

What is bagging technique ? How is it useful in
a plant breeding programme ?

4330/(Set : A) P. T. O.

( 12 ) 4330/(Set : A)
7. ,DlksU;wfDy,t vkSj ,aMksU;wfDy,t ds dk;Z D;k gSa \ 2

What are the functions of Exonucleases and
Endonucleases ?

8. chVh VkWfDlu ml thok.kq dks D;ksa ugha ekjrk ftlls og curk
gS] ij vUr%xzg.k djus okys dhV dks ekj nsrk gS \ 2

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

9. tho ds vkuqoaf'kd :ikarj eas ewyHkwr pj.k dkSu&ls gksrs gSa \ 2

What are the basic steps in genetically modifying
an organism ?

10. var%fof'k"V ladj.k D;k gS \ ,d mnkgj.k fyf[k,A 2

What is interspecific hybridization ? Write an
example.

11. ,U;qIykWbMh vkSj ikWyhIykWbMh D;k gS \ 2

What is Aneuploidy and Polyploidy ?

4330/(Set : A)

( 13 ) 4330/(Set : A)
[k.M – l
SECTION – C

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

12. vi?kVu D;k gS \ vi?kVu dh xfr dks fu;fer djus okys
tyok;qoh; ?kVd dkSu&ls gSa \ 3

What is Decomposition ? What are the climatic
factors that regulate it ?

13. fo'ks"k l`f"V ds fl)kUr ds rhu vfHk/kku D;k gSa \ 3

What are the three connotations of theory of
special creation ?

14. nf{k.kh vesfjdk ds vestu m".kdfVcU/kh o"kkZ oukas dh tSo
fofo/krk ds ckjs eas fyf[k,A 3

Write about the biodiversity in Tropical
Amazonian rain forest in South America.

15. vkuqoaf'kdr% :ikarfjr Qlyksa ds mRiknu ds D;k ykHk gSa \ 3

What are the advantages of production of
genetically modified crops ?

4330/(Set : A) P. T. O.

( 14 ) 4330/(Set : A)
16. fofHkUu dSusfcukWbM Mªxksa dk o.kZu dhft,A 3

Describe various Cannabinoid drugs.

17. fcanq mRifjorZu ¼ikWbaV E;wVs'ku½ vkSj Ýse f'k¶V E;wVs'ku D;k
gSa \ mRifjorZtu ls vkidk D;k vfHkizk; gS \ dksbZ ,d
mnkgj.k nhft,A 3

What are point mutation and frame shift
mutation ? What do you mean by a mutagen ?
Give any one example.

18. VsLV V~;wc csch dk;ZØe dk o.kZu dhft,A 3

Describe Test Tube Baby Programme.

[k.M – n
SECTION – D

¼nh?kZ mÙkjkRed iz'u½
(Long Answer Type Questions)

19. 'kksj D;k gksrk gS \ 'kksj iznw"k.k ds D;k izHkko gksrs gSa \ 5

What is Noise ? What are the effects of noise
pollution ?

4330/(Set : A)

( 15 ) 4330/(Set : A)
vFkok

OR

vkst+ksu vo{k; fdl izdkj gksrk gS \ ijkcSaxuh fofdj.k ds c<+us
ls gekjs Åij fdl izdkj izHkko iMs+axs \ 5

How does ozone depletion take place ? How will
enhanced ultraviolet radiation affect us ?

20. vuqys[ku bdkbZ dh lajpuk dk foLr`r o.kZu dhft,A 5

Describe the structure of transcription unit in
detail.

vFkok

OR

f}dqaMyh Mh ,u , dh lajpuk dh eq[; fo'ks"krk,¡ fyf[k,A 5

Write down the salient features of double helix
structure of DNA.
4330/(Set : A) P. T. O.

( 16 ) 4330/(Set : A)
21. 'kqØtud ufydkvksa ds ukekafdr vkjs[kh; dkV dk fp= cukb,
vkSj bldh lajpuk dk o.kZu dhft,A 5

Draw a well labelled sectional view of
seminiferous tubule and explain its structure.

S

4330/(Set : A)