HBSE Class 11 Question Paper 2021 Biotechnology

Code No. 1533

CLASS : 11th (Eleventh) Series : 11-April/2021

Roll No.











tSo izkS|ksfxdh
BIOTECHNOLOGY
[ fgUnh ,oa vaxzsth ek/;e ]

[ Hindi and English Medium ]
(Only for Fresh/School Candidates)

le; : 2 21 ?k.Vs ] [ iw.kk±d : 60
Time allowed : 2 21 hours ] [ Maximum Marks : 60

• Ñi;k tk¡p dj ysa fd bl iz'u-i= esa eqfnzr i`"B 15 rFkk iz'u 42 gSaA

Please make sure that the printed pages in this question paper are 15 in number
and it contains 42 questions.

• iz'u-i= esa lcls Åij fn;s x;s dksM uEcj dks Nk= mÙkj-iqfLrdk ds eq[;-i`"B ij fy[ksaA

The Code No. on the top 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.

1533 P.T.O.

(2) 1533
• 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 question, 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 %
General Instructions :

(i) lHkh iz'u vfuok;Z gSaA
All questions are compulsory.

(ii) bl iz'u-i= esa pkj [k.M % v] c] l rFkk n gSaA
Question paper contains four Sections : A, B, C and D.

(iii) iz'u la[;k 1 ls 30 rd ¼[k.M & v½ ds iz'u oLrqfu"B izdkj ds iz'u gSaA izR;sd iz'u 1 vad
dk gSA
Question Nos. 1 to 30 of Section – A are objective type questions, carrying
1 mark each.

1533

(3) 1533
(iv) iz'u la[;k 31 ls 38 rd ¼[k.M
[k.M & c½ ds iz'u vfr y?kwÙkjkRed gSaA izR;sd iz'u 2 vad dk gSA
Question Nos. 31 to 38 of Section – B are very short answer type questions,
carrying 2 marks each.

(v) iz'u la[;k 39 ls 41 rd ¼[k.M & l½ ds iz'u y?kwÙkjkRed gSaA izR;sd iz'u 3 vad dk gSA
Question Nos. 39 to 41 of Section – C are short answer type questions,
carrying 3 marks each.

(vi) iz'u la[;k 42 ¼[k.M
[k.M & n½ dk iz'u nh?kZ mÙkjkRed gSA iz'u 5 vad dk gSA
Question No. 42 of Section – D is long answer type question, carrying
5 marks.

(vii) [k.M & n ds iz'u esa vkarfjd fodYi miyC/k gSA
Internal choice is available in question of Section – D.

[k.M – v

SECTION – A

1. fladh ds fy, dkSu&lk lClVªsV gksrk gS \ 1

(A) ckal dk ruk

(B) ewyh dh ewlyk ¼VSi½ ewy

(C) puk

(D) pkoy

1533 P.T.O.

(4) 1533
The substrate for Sinki is :

(A) Bamboo shoot

(B) Radish tap root

(C) Gram

(D) Rice

2. dkSu&lk fdf.or cSDVhfj;k gS \ 1

(A) ySDVkscSflyl
(B) ySDVksdksdl

(C) fifM;ksdksdl
(D) ;g lHkh
Which is a fermenting bacteria ?

(A) Lactobacillus

(B) Lactococcus

(C) Pediococcus

(D) All of these

3. dkSu&lk foVkfeu dkcksZfDlyst izfrfØ;k eas en~n djrk gS \ 1

(A) ykbiksbd ,flM (B) Qksfyd ,flM

(C) ck;ksfVu (D) fu;kflu

1533

(5) 1533
Which vitamin helps in carboxylase reactions ?

(A) Lipoic acid

(B) Folic acid

(C) Biotin

(D) Niacin

4. lkbusfIll izfØ;k fdl voLFkk eas gksrh gS \ 1

(A) ysIVksVhu

(B) tkbxksVhu

(C) iSdhVhu

(D) fMIyksVhu

In which stage process of synapsis take place ?

(A) Leptotene

(B) Zygotene

(C) Pachytene

(D) Diplotene

5. jks/k izdwV dkSu&lk gS \ 1

(A) UGA (B) UGU

(C) UGC (D) UGG

1533 P.T.O.

(6) 1533
Which is a stop codon ?

(A) UGA

(B) UGU

(C) UGC

(D) UGG

6. fuEufyf[kr esa ls dkSu&lk ca/k ljy 'kdZjk ;k muds MSfjosfVOl dks ,d lkFk tksM+rk gS \ 1

(A) QkLQks,LVj

(B) XykbdksflfMd

(C) QkWLQksMkb,LVj

(D) gkbMªkstu

Which of the following bonds linked together the simple sugars or their
derivatives ?

(A) Phosphoester

(B) Glycosidic

(C) Phosphodiester

(D) Hydrogen

1533

(7) 1533

7. fdl vehuks vEy eas vuqosf'kr ¼pktZM½ vkj&lewg gksrk gS \ 1

(A) Y;wflu

(B) vkblksY;wflu

(C) ykbZflu

(D) flLVhu

Which aminoacid is with charged R-group ?

(A) Leucine

(B) Isoleucine

(C) Lysine

(D) Cysteine

8. dkSu&lk vehuks vEy Vk;jksflu ls izkIr fd;k tkrk gS \ 1

(A) Fkk;jksfDlu

(B) ,Mªsusfyu

(C) (A) vkSj (B) nksuksa

(D) XywVsfed vEy

1533 P.T.O.

(8) 1533
Which is derived from amino acid tyrosine ?

(A) Thyroxine

(B) Adrenaline

(C) Both (A) & (B)

(D) Glutamic acid

9. dkSu&lk foVkfeu ty eas ?kqyu'khy gS \ 1

(A) A

(B) B

(C) D

(D) E

Which is water soluble vitamin :

(A) A

(B) B

(C) D

(D) E

10. dkSu&lk lkbVksLdsysVu dksf'kdkax gS \ 1

(A) ekbØksV~;wC;wy
(B) ekbØksfQykesaV
(C) (A) vkSj (B) nksuksa

(D) dksf'kdk f>Yyh

1533

(9) 1533
Which is cytoskeleton organelle ?

(A) Microtubule

(B) Microfilament

(C) Both (A) & (B)

(D) Cell membrane

11. fuEufyf[kr eas ls fdlesa f}[kaMu gksrk gS \ 1

(A) vehck

(B) iSjkehf'k;e

(C) (A) vkSj (B) nksukas

(D) IySt+eksfM;e

In which of the following binary fission take place ?

(A) Amoeba

(B) Paramecium

(C) Both (A) & (B)

(D) Plasmodium

1533 P.T.O.

( 10 ) 1533

12. LVsfuax ds ckn dkSu&lk ¶yksjhlsaV LVsu ukjaxh izdk'k mRlftZr djrk gS \ 1

(A) jksMkfeu

(B) Cy3

(C) ¶yqjsflu

(D) bueas ls dksbZ ugha

Which fluorescent stain emit orange light after staining ?

(A) Rhodamine

(B) Cy3

(C) Flurescein

(D) None of these

13. What is the typical optimum temperature for growth of thermophiles ? 1

FkeksZQkbYl dh o`f) ds fy, lkekU; vkWfIVee rkieku D;k gksrk gS \

14. VªsMekdZ D;k gksrk gS \ 1

What is trademark ?

15. DyksfLVªfM;e ,sflVksC;qfVfjde dh [kkst djus okys oSKkfud dk uke fyf[k,A 1

Name the scientist who discovered clostridium acetobutyricum.

1533

( 11 ) 1533

16. xzkEl LVsfuax ds ckn xzke _.kkRed thok.kq dk jax dSlk gksrk gS \ 1

What is the colour of the Gram negative bacteria after Gram's staining ?

17. 1978 esa VsLV V~;wc csch rduhd }kjk dkSu&lk cPpk iSnk gqvk Fkk \ 1

Which baby was born in 1978 by test tube baby technique ?

18. fdl izfØ;k }kjk dkcksZgkbMªsVl] izksVhu eas ladfyr fd, tkrs gSa \ 1

By which process carbohydrates are added to protein.

19. ;wØksesfVu fdls dgrs gSa \ 1

What is Euchromatin ?

20. vlaxtuu D;k gksrk gS \ 1

What is Apomixis ?

21. fjM;wflax 'kdZjk D;k gksrh gS \ 1

What is reducing sugar ?

22. gsfydst dh Hkwfedk D;k gS \ 1

What is the role of Helicases ?

1533 P.T.O.

( 12 ) 1533

23. vkPNknu fdls dgrs gSa \ 1

What is capping ?

24. fdl oSKkfud us loZiFz ke E;wVs'ku fl)kUr izLrkfor fd;k \ 1

Mutation theory was first proposed by which scientist ?

25. dsoy ekuo uj eas dkSu&lk VªkbZlksfed flaMªkse ik;k tkrk gS \ 1

Which trisomic syndrome is found only in human male ?

26. L;wMksthUl D;k gksrs gSa \ 1

What are pseudogenes ?

27. Ýsef'k¶V mRifjorZu fdls dgrs gSa \ 1

What is frame shift mutation ?

28. :ikarj.k ¼VªkalQkWjes'ku½ fdls dgrs gSa \ 1

What is transformation ?

29. ,atkbe ,fDVfoVh dh varjkZ"Vªh; bdkbZ ls vkidk D;k vfHkizk; gS \ 1

What do you mean by International Unit (IU) of enzyme activity ?

1533

( 13 ) 1533

30. vkblksbysfDVªd Qksdflax fdls dgrs gSa \ 1

What is isoelectric focusing ?

[k.M – c

SECTION – B

31. fdu fl)kUrksa ij GLP vk/kkfjr gS \ 2

GLP is based on which principles ?

32. ikni ,oa tUrq dksf'kdk eas dksf'kdknzO; foHkktu ¼lkbVksdkbusfll½ dSls gksrk gS \ 2

How does Cytokinesis take place in plant & animal cell ?

33. gheksXyksfcu] ek;ksXyksfcu ds foijhr vkf}rh; vkWDlhtu VªkaliksVZj dk dk;Z D;ksa djrk gS \ 2

Why does haemoglobin confer unique oxygen transporter function unlike
myoglobin ?

34. fVªiy ¶;wtu dh ?kVuk dks fyf[k,A 2

Write down the phenomenon of triple fusion.

35. ekbVksfll dh e/;koLFkk ¼esVkQst½ ds ckjs eas fyf[k,A 2

Write about metaphase of mitosis.

1533 P.T.O.

( 14 ) 1533

36. lSdsjksekblht dh isVhV dksyksful ds ckjs eas fyf[k,A 2

Write about petite colonies of saccharomyces.

37. ge cSDVhfj;k esa dkWUtwxs'ku dk v/;;u D;ksa djrs gSa \ 2

Why do we study conjugation of bacteria ?

38. tSy fuLianu ehfM;k ds fy, vko';d fo'ks"krk,¡ fyf[k,A 2

Write down the characteristics required for gel filtration media.

[k.M – l

SECTION – C

39. tho foKku eas fdldks isVsaV fd;k tk ldrk gS \ 3

What can be patented in life science ?

40. izksVhu dh f}rh;d lajpuk dk o.kZu dhft,A 3

Describe the secondary structure of protein.

41. mUeq[khdj.k ds vk/kkj ij fofHkUu izdkj ds Mh ,u , dk o.kZu dhft,A 3

Describe various types of DNA on the basis of their orientation.

1533

( 15 ) 1533
[k.M – n

SECTION – D

42. oa'kkxfr eas xq.klw=kas dh Hkwfedk dk o.kZu dhft,A 5

Describe the role of chromosomes in inheritance.

vFkok

OR

vkuqoaf'kd dksM ¼tsusfVd dksM½ dh eq[; fo'ks"krk,¡ fyf[k,A

Write down the prominent features of Genetic Code.

S

1533 P.T.O.