MP Board Class 12 Sample Paper 2023 Biology

vH;kl gsrq lasiy iz’u i=

Ekk/;fed f’k{kk e.My] e-iz- Hkksiky
gk;j lsd.Mjh ijh{kk 2022&2023
fo"k; dksM&231 Higher Secondary Examination 2022-2023
Subject Code-231 tho foKku
Biology
(Hindi & English Versions)
lEk;&3 ?k.Vs iw.kkZad&70
Time: 3 Hours M.M.70
funsZ’k%
(i) lHkh iz’u vfuok;Z gSaA
(ii) iz’u Øekad 01 ls 04 rd 28 oLrqfu"B iz’u gSaA ftlesa izR;sd iz’u ds fy, 7
vad fu/kkZfjr gSA
(iii) iz’u Øekad 05 ls 12 rd vfry?kqmRrjh; iz’u gSA 'kCn lhek yxHkx 30 'kCn
gSA izR;sd iz’u gsrq 02 vad fu/kkZfjr gSA
(iv) iz’u Øekad 13 ls 16 rd y?kqmRrjh; iz’u gSA 'kCn lhek yxHkx 75 'kCn gSA
izR;sd iz’u gsrq 03 vad fu/kkZfjr gSA
(v) iz’u Øekad 17 nh?kZmRrjh; iz’u gSA 'kCn lhek yxHkx 120 'kCn gSA bl iz’u
gsrq 4 vad fu/kkZfjr gSA
(vi) iz’u Øekad 18 ls 19 vfrnh?kZmRrjh; iz’u gSA 'kCn lhek yxHkx 150 'kCn gSA
izR;sd iz’u ds fy, 05 vad fu/kkZfjr gSA
(vii) iz’u Øekad 5 ls 19 rd izR;sd iz’u esa vkarfjd fodYi fn;s x;s gSA
(viii) vko’;drkuqlkj LoPN ,oa ukekafdr fp= cukb;sA
Instructions%
(i) All Questions are compulsory.
(ii) There are 28 objectie questions from question no. 1 to 4. Each
Question carries 7 marks.
(iii) Question no. 5 to 12 are very short answer type question. Word limit
of 30 words approximately. Each question carries 2 marks.
(iv) Question No. 13 to 16 are short answer type question. Word limit of
75 words approximately. Each question carries 3 marks.
(v) Question No. 17 is long answer type question. This question carry 4
marks. Word limit 120 words approximately.
(vi) Question no. 18 to 19 are very long answer type question. Word limit
150 words approximately. Each question carries 5 marks.
(vii) Internal option are given from question no. 5 to 19.
(viii) Draw well labelled diagram if necessary.
1

1- fjDr LFkkuksa dh iwfrZ dhft;s % 1x7=7

(i) vko`Rrchft;ksa ds ijkxdks"k dh Hkhrjh ijr ------------------------------gksrh gSA
(ii) nqX/k L=o.k ds vkjafHkd dqN fnuksa rd tks nw/k fudyrk gS] mls ----------------dgrs gSA
(iii) ekWjxu us-----------------------------ij dke fd;k FkkA
(iv) VuZj flaMªkse esa-------------------xq.klw= gksrs gSA
(v) Ekq[; yfldkHk vax------------------------gSA
(vi) dksdhu--------------------------------------ls izkIr fd;k tkrk gSA
(vii) ---------------------------------------------------lcls igyk ,.VhckW;ksfVd FkkA

Fill in the blanks :

(i) The inner layer of anther of angiosperms is……………………………
(ii) The milk that comes out for the first few days of lactation is called…….
(iii) Morgan worked on………………….
(iv) In Turner syndrome………………….chromosoms are present.
(v) Main Lymphoid organ is………………......
(vi) Cocaine is obtained from………………..….
(vii) First antibiotic was………………………….

2- lgh fodYi pqudj fyf[k;s& 1x7=7

(i) vkHkklh Qy gS&
¼v½ lscQy ¼c½ vke
¼l½ ve:n ¼n½ iihrk
(ii) lgsyh uked xHkZ fujks/kd xksyh dh [kkst gqbZ&
¼v½ usiky ¼c½ dksydkrk
¼l½ cSaxyksj ¼n½ y[kuÅ
(iii) izfØ;k ftlesa vehuksa vEy ds cgqydu ls ikWyhisIVkbM dk fuekZ.k gksrk gSA
¼v½ vuqys[ku ¼c½ :ikraj.k
¼l½ vfHkxeu ¼n½ cgqHkw.krk
(iv) fon~Mªkoy flaMªksae D;k gS \
¼v½ ,Ydksgy dh fu;fer ek=k dk vpkud can dj nsukA
¼c½ MªXl dk fu;fer lsouA
¼l½ ,Ydksgy dk fu;fer lsouA
¼n½ dsukfcukbM~l dk lsouA
2

(v) dod o ikniksa ds cht lgthoh laca/k dgykrk gSA
¼v½ lkbukscSfDVhfj;k ¼c½ ekbdksjkbtk
¼l½ ,ukfcuk ¼n½ ukWLVd

(vi) ----------------------------xksYMu jkbl esa vf/kd ek=k esa ik;k tkrk gSA
¼v½ foVkfeu ch ¼c½ foVkfeu lh
¼l½ foVkfeu , ¼n½ foVkfeu Mh

(vii) -----------------------------Hkkjr esa ikfjfLFkfrdh ds tud ds :i esa tkus tkrs gSA
¼v½ vksMe ¼c½ jkenso feJk
¼l½ vks-ih- vk;Uxdj ¼n½ ih- ekgs’ojh

Choose and write the correct option:

(i) False fruit is -
(a) Apple (b) Mango
(c) Guava (d) Papaya
(ii) Saheli contraceptive pills discovered in-
(a) Nepal (b) Kolkata
(c) Banglore (d) Lucknow

(iii) The process by which polypeptides are formed by Polymerisation of
amino acid is
(a) Transcription (b) Transformation
(c) Transportation (d) Polyembrygony.

(vi) What is withdrawal syndrome?
(a) Abrupt cessation of regular consumption of alchohol.
(b) Regular consumption of drugs.
(c) Regular consumption of alchohol.
(d) Consumption of canabinoids.

(v) Symbiotic relationship between fungi & plants.
(a) Cynobacteria (b) Mycorrhizae.
(c) Anabina (d) Nostoc.

(vi) ....................is found in abundance in golden rice.
(a) Vitamin B (b) Vitamin C
(c) Vitamin A (d) Vitamin D

(vii) ..................is known as the father of ecology in India.
(a) Odum (b) Ramdev mishra
(c) O.P. Ayangar (d) P. Maheshwari

3

3- ,d 'kCn@ okD; esa mRrj fyf[k;s & 1x7=7

(i) Hkwz.k vkSj xHkkZ’k; ds e/; laoguh; laidZ LFkkfir djus okyh lajpuk dk uke
fyf[k;sA
(ii) eDdk ds chti= dk uke fyf[k;sA
(iii) fodkl ds fy, Hkwz.kkRed leFkZu fdlus izLrkfor fd;k \
(iv) BOD dk iwjk uke fyf[k;sA
(v) Vsd ikWyhejst ,Utkbe dks fdl rduhd esa mi;ksx fd;k tkrk gS \
(vi) nw/k dks ngh esa ifjofrZr djus okys thok.kq dk uke fyf[k;sA
(vii) 1992 esa **i`Foh lEesyu** fdl 'kgj esa vk;ksftr fd;k x;k Fkk \

Write the answer in one word/sentence.
(i) Name the structure that establishes vascular connection between the
embryo and uterus.
(ii) Write the name of cotyledon of maize.
(iii) Who proposed the embryonic support for evolution.
(iv) Write the full name of BOD.
(v) In which technique taq polymerase enzyme is used?
(vi) Write the name of the bacteria which converts milk into curd.
(vii) In which city was the earth summit held in 1992.

4- lgh tksM+h cukb,& 1x7=7

dkWye *v* dkWye *c*
1- oslsDVkWeh (i) _.kkRed vkosf’kr
2- Mh-,u-,- (ii) vkf.od dSaph
3- Vk;QkbM (iii) vkfdZM
4- izfrca/ku ,atkbe (iv) foMky VsLV
5- Mh-,u-,- i`Fkddj.k (v) dsapqvk
6- vijnkgkjh (vi) iq:"k cU/khdj.k
7- vf/kikni (vii) tSy bysDVªksQksjsfll
Match the Columns:
Column A Column B
1. Vasectomy (i) Negatively charged
2. D.N.A. (ii) Molecular scissors
3. Typhoid (iii) Orchid
4. Restriction Enzyme (iv) Widal test
5. D.N.A. Isolation (v) Earthworm
6. Detritivorous (vi) Male
7. Epiphyte (vii) Gel electrophorasis
4

5- ijkx.k D;k gS \ 2
What is pollination?
vFkok@or
foiqalu D;k gS \
What is emasculation?

6- izlo fdls dgrs gS \
What is the parturition? 2
vFkok@or
ik=s fu"kspu ls vki D;k le>rs gS \
What do you understand by invitro fertilization?

7- v.Mk’k; ds nks dk;Z fyf[k;sA 2
Write two functions of ovary?
vFkok@or
fuEufyf[kr dk iwjk uke fyf[k;sA
(i) MTP
(ii) IUT
Write the full form of the following-
(i) MTP
(ii) IUT

8- Mkmu flaMªkse ds y{k.k fyf[k;sA 2
Write the characteristics of Down syndrome.

vFkok@or
o.kkZU/krk D;k gS \
What is colour blindness?

9- fldy lsy ,uhfe;k ¼nk= dksf’kdk vjDrrk½ ds y{k.k fyf[k;sA 2
Write the characteristics of sickle cell anemia?

vFkok@or
vuqdwyh fofdj.k dks mnkgj.k lfgr ifjHkkf"kr dhft;sA
Define adaptive radiation with example.

10- nks 'kked vkS"kf/k;ksa ds uke fyf[k;sA 2
Write the name of two sedative drugs.
vFkok@or
izfrj{kk D;k gS\ blds izdkjksa ds uke fyf[k;sA
What is immunity? Write the name of its types.
5

11- jklk;fud moZjd dh vis{kk tSo mojZd euq"; ds fy;s ykHkdkjh gSA 2
dksbZ nks dkj.k fyf[k;sA
Biofertilizers are beneficial to humans as compared to chemical fertilizers
write two reaons.
vFkok@or
Vhdkdj.k D;k gS \
What is vaccination?

12- ØkbZ thu D;k gS\ mnkgj.k lfgr fyf[k;sA 2
What is cry gene? Give the example.
vFkok@or
thu fpfdRlk D;k gS \
What is gene therapy?

13- Lo ijkx.k ,oa ij ijkx.k esa rhu varj fyf[k;sA 3
Write three differences between self pollination & cross pollination.

vFkok@or
,d izk:fid iq"i dk LoPN ukekafdr fp= cukbZ;sA
Draw a labelled diagram of typical flower.

14- euq"; esa gheksQhfy;k dh oa’kkxfr dk o.kZu dhft;sA
fLFkfr %& ihfM+r firk ,oa lkekU; efgyk }kjk mRiUu larkuA 3
Describe the inheritance of Heamophilia in human.
Condition: offspring produced by affected father & normal mother.

vFkok@or

vkuqokaf’kd dksM dh rhu fo’ks"krk,a fyf[k;sA
Write any three features of genetic code.

15- okfgr ey D;k gS \ okfgr ey mipkj esa lw{e thoksa dh D;k Hkwfedk gS \ 3
What is sewage? What is the role of microbes in sewage treatment?

vFkok@or

lgt o mikftZr izfrj{kk esa rhu varj fyf[k;sA
Write three differences between innat & aquired immunity.

6

16- vi?kVu D;k gS \ vi?kVu dh izfØ;k dh la{ksi esa O;k[;k dhft;sA 3
What is decomposition? Briefly explain the process of decomposition.
vFkok@or
ikfjfLFkfrd ra= ds ?kVdksa dh laf{kIr O;k[;k dhft;sA
Briefly explain the component of ecosystem.

17- feyj o ;wjs ds iz;ksx dk lfp= o.kZu dhft;sA
Describe the experiment of miller & urey with labelled diagram 4

vFkok@or
ekuo esa fyax fu/kkZj.k dks le>kb;sA
Explain sex determination in human.

18- tSy fo|qr lapkyu dk fp= lfgr o.kZu dhft;sA 5
Describe gel electrophoresis with diagram.
vFkok@or
vkuqokaf’kd :ikarfjr Qlys D;k gS \ buds nks ykHk o nks gkfu fyf[k;sA -
What are genetically modified crops. Write two advantages and disadvantage of
GM crops.

19- ikfjfLFkfrd fijkfeM fdls dgrs gS \ mtkZ ds fijkfeM dh vkjs[k fp= lfgr 5
O;k[;k dhft;sA
What is ecological pyramid. Explain the pyramid of energy with diagram.

vFkok@or
tSo fofo/krk laj{k.k ds egRo dk foLrkj iwoZd o.kZu dhft,A
Describe in detail the significance of biodiversity.

7