Rajasthan Board 12th Agricultural Biology Sample Paper 2021

mPp ek/;fed ijh{kk ekWMy iz'u&i= 2021
SENIOR SECONDARY EXAMINATION, MODEL QUESTION PAPER-2021
d`f"k tho foKku
AGRICULTURAL BIOLOGY

le;% 3¼ ?k.Vs iw.kkZd 56
ijh{kkfFkZ;ksa ds fy, lkekU; funZs'k %&
GENERAL INSTRUCTION TO THE EXAMINEES:

1- ijh{kkFkhZ loZizFke vius iz'u i= ij ukekad vfuok;Zr% fy[ksaA
Candidate mast write first his/her Roll No. on the question paper
compulsorily.

2- lHkh iz'u djus vfuok;Z gSA
All the questions are compulasory.

3- izR;sd iz'u dk mÙkj nh xbZ mÙkj iqfLrdk esa gh fy[ksAa
Write the answer to each question in the given answer book only.

4- ftu iz'uksa esa vkUrfjd [k.M gS mu lHkh ds mÙkj ,d lkFk gh fy[ksAa
For questions having more than one part the answers to those parts are to be
written together in continuity.

5- iz'u i= ds fgUnh ls vaxzsth :ikUrj.k esa fdlh izdkj dh =qfV@ vUrj@fojks/kkHkkl gksus ij fgUnh
Hkk"kk ds iz'u dks lgh ekusAa
If there is any error/difference/contradiction in Hindi & English version of the
question paper, the question of the Hindi version should be treated valid.
6- iz'u dk mÙkj fy[kus ls iwoZ iz'u dk Øekad vo'; fy[ksaA
Write down the serial number of the question before attempting it.
7- iz'uksa dk vadHkkj fuEukuqlkj gSA
Weightage of marks for the question is as follows.

[k.M iz'u la[;k iz'uksa vad dqy vad Hkkj
dh izR;sd
la[;k iz'u
[k.M&v(A) 1 ( i to x ), 2 to 11 20 1 20
[k.M&c(B) 12 to 15 4 2 8
[k.M&l(C) 16 to 19 4 3 12
[k.M&n(D) 20 to 21 2 4 8
[k.M&;(E) 22 to 23 2 4 8

d`f"k tho foKku
¼[k.M v½
SECTION-A
iz-1 uhps fn;s x;s cgqp;ukRed iz’uksa ds mÙkj mÙkj iqfLrdk esa fyf[k,&
Write the the answer to the given multiple choice questions in the answer book.

1 ¼i) vlqxqf.krk dk izdkj ftlesa xq.klw=ksa dh la[;k 2n-1 gks tkrh gSA
¼d½ ,dU;wulw=rk ¼[k½ f}U;wulw=rk
¼x½ ,dkf/klw=rk ¼?k½ f}vf/klw=rk 1
Type of Aneuploidy in which chromosome no is 2n-1.
(A) Monosomy (B) Nullisomy
(C) Trisomy (D) Tetrasomy

1 ¼ii½ Hkkjr esa ikni tuu nzO; laj{k.k dsUnz dk uke gSa \
¼d½ ICAR ¼[k½ IBPGR
¼x½ NBPGR ¼?k½ IARI 1
Name of plant Germplasm conservation Centre in India is.
(A) ICAR (B IBPGR
(C) NBPGR (D) IARI

1 ¼iii½ nhed fdl x.k dk lnL; gS \
¼d½ vkFkksZIVsjk ¼[k½ dksfyvksIVsjk
¼x½ ysfiMksIVsjk ¼?k½ vkblksIVsjk 1
Termite is member of which order.
(A) Arthoptera (B) Coleoptera
(C) Lepidoptera (D) Isoptera

1 ¼iv½ xzke&xzkgh ¼G+ve½ thok.kq dk mnkgj.k ughaa gS &
¼d½ DysohosDVj ¼[k½ LVsªIVksekblht
¼x½ tSUFkkseksukl ¼?k½ cSflyl 1
Not a Example of Gram Positive (G+ve) Bacteria.
(A) Clavibacter (B) Streptomyces
(C) Xanthomonas (D) Bacillus

1 ¼v½ xsg¡w dk jksyh jksx fdlds }kjk gksrk gS \
¼d½ dod ¼[k½ thok.kq
¼x½ QkbVksIykTek ¼?k½ fo"kk.kq 1
Smut disease of wheat is caused by-
(A) Fungus (B) Bacteria
(C) Phytoplasma (D) Virus
1 ¼vi½ fuEu esa ls ^^fe= QQw¡n** gS\
¼d½ ¶;wtsfj;e ¼[k½ ,Ycwxksa
¼x½ ldksZLiksjk ¼?k½ VªkbdksMekZ 1
Which fungus among these is called “Mitra fungus”
(A) Fusarium (B) Albugo
(C) Cercospora (D Tricoderma

1 ¼vii½ dkyh jksgw uke ls tkuh tkus okyh eNyh gS &
¼d½ dYcklq ¼[k½ e`xky
¼x½ egk’khj ¼?k½ dryk 1
Whick one of these is known by ‘Black Rohu’
(A) Calbasu (B) Mrigala
(C) Mahseer (D Catla

1 ¼viii½ eNyh mRiknu dh c<+ksrjh dks D;k uke fn;k x;k gS \
¼d½ uhy ØkfUr ¼[k½ 'osr ØkfUr
¼x½ ihr ØkfUr ¼?k½ gfjr ØkfUr 1
Increase in fish Production is known as.
(A) Blue Revolution (B) White Revolution
(C) Yellow Revolution (D Green Revolution

1 ¼ix½ DykbVsye dk dk;Z gS \
¼d½ iks"k.k ¼[k½ dksdwu fuekZ.k
¼x½ fu"kspu ¼?k½ mRltZu 1
Function of Clitellum is .
(A) Nutrition (B) Cocoon Formation
(C) Fertilization (D excretion

1 ¼x½ tksad dk 'kjhj c¡Vk gksrk gS \
¼d½ 36 [k.Mksa esa ¼[k½ 24 [k.Mksas esa
¼x½ 33 [k.Mksas esa ¼?k½ 35 [k.Mksa esa 1
Body of leech is divided into -
(A) 36 Segments (B) 24 Segments
(C) 33 Segments (D 35 Segments

iz'u la[;k 02 ls 08 rd ds mÙkj ,d 'kCn@,d iafDr esa nsAa
Write the answer from the Questions 2 to 8 in one word/one line.

iz- 2 [kjhQ Qlyksa dks izHkkfor djus okys fdlh ,d dhV dk uke fyf[k;s \ 1
Write the name of any inseet which affect the kharif crop ?
iz- 3 izdk'k ik'k dk mi;ksx fdl dhV ds fu;a=.k esa lgk;d gSA ¼dksbZ ,d uke½ 1
Light trap is used for which Insect control ? (Name any one)
iz- 4 tSo fu;a=.k dks ifjHkkf"kr fdth,A 1
Define the term Biological Control ?
iz- 5 fo"kk.kq ds izksVhu vkoj.k dks D;k dgrs gS \ 1
Write down the name of Protein covering of the virus ?
iz- 6 DIPA dk iwjk uke crkb, \ 1
Write down the full form of DIPA ?
iz- 7 LdysjksLiksjk xszfefudksyk uked dod }kjk cktjs esa gksus okys jksx dk uke crkb,A 1
Write the name of disease caused by sclerospora graminicula in Bajra.
iz- 8 cktjs dk e`nqjksfey vkflrk ds jksxtud dk uke fyf[k, 1
Causal agent of Downy mildew of bajra ?

iz'u la[;k 09 ls 11 rd ds fn;s x;s fjDr LFkku dk mÙkj iqfLrdk esa fyf[k;sA
Write the answer from the Questions 9 to 11 Fill in the blanks in the given answer book.

iz- 9 fVM~Ms dk 'kjhj ----------------------------- Hkkxksa esa cVk gksrk gSA 1
Grasshoppe body is divided in .......................... segments .

iz- 10 ,Ldsfjl eq[; :i ls euq"; dh -------------------- dk ijthoh gSA 1
Ascaris is maing found in ..................... of human as parasite.

iz- 11 eNyh ds rsy es foVkfeu ------------------------------- izpqj ek=k esa gksrk gSA 1
Fish oil is rich in Vitamin ..........................

¼[k.M c½
SECTION-B
iz- 12 ikni iztuu ds dksbZ nks mÌs';ksa dks le>kb,A 1$1¾2
Explain any two objectives of plant breeding.
iz- 13 vxqf.kr ikS/ks izkIr djus ds fy, ikS/ks ds fdl Hkkx dk lao/kZu fd;k tkrk gSA nks mnkgj.k nhft,A
1$1¾2
Give two example of plant part from which culture haploid plant is obtain.
iz- 14 dkrjk }kjk Qlyksa dks lokZf/kd uqdlku fdl _rq esa gksrk gS \ dkrjk dks ^^jsM gs;jh dsVjihyj**
D;ksa dgrs gS \ 2
In which reason, the maximum loss to the crops by red hairy caterpillar is occurred ? Why
so is it called red hairy Caterpillar ?
iz- 15 dhV fu;a=.k gsrq dksbZ nks HkkSfrd fof/k;ksa dks le>kb,A 2
Explain any two physical methods of insect control .

¼[k.M l½
SECTION-C

iz- 16 lQsn yV dh jksdFkke ds leqfpr mik;ksa dk o.kZu dhft,A 3
Describe the management and control of white grub.
vFkok
dkrjk dh jksdFkke ds leqfpr mik;ksa dk o.kZu dhft,A
Describe the management and control of red hairy Caterpillar.

iz- 17 thok.kq dksf'kdk dk ukekafdr fp= cukb;sA blds nks xq.k fyf[k,A 3
Draw a labelled Diagram of Bacteria cell write its two characteristics.
vFkok
fo"kk.kq dk ukekafdr fp= cukb;sA blds nks xq.k fyf[k,A
Draw a labelled Diagram of Virus. write its two characteristics.
iz- 18 e/kqeD[kh dk d`f"k esa egÙo fyf[k,A 3
Write Importance of Honey bee in Agriculture.
vFkok
dsp
a q, dk d`f"k esa egÙo fyf[k,A
Write Importance of Earthworm in Agriculture.

iz- 19 jksgw eNyh dk oSKkfud uke fyf[k,A blds lkekU; y{k.kksa dks le>kb,A 3
vFkok
dryk eNyh dk oSKkfud uke crkb,A blds lkekU; y{k.kksa dks le>kb,A
.
¼[k.M n½
SECTION-D

iz- 20 fVM~Ms ds thou pØ dk lfp= o.kZu dhft,A 1$3¾4
Describe life cycle of Grasshopper with diagram.
vFkok
fVM~Ms ds fdUgha rhu eqa[kkxksa dk lfp= o.kZu dhft,A
Describe any three mouth parts of Grasshopper with diagram.

iz- 21 dksf'kdk lao/kZu dh fof/k dks lfp= le>kb,A 1$3¾4
Explain Procedure of cell culture with diagram.
vFkok
ijkx lao/kZu dh fof/k dks lfp= le>kb,A
Explain Procedure of pollen culture with diagram.

¼[k.M ;½
SECTION-E

iz- 22 mRifjorZu o mRifjorZtu dks ifjHkkf"kr dhft,A mRifjorZu ds izdkjksa dk o.kZu dhft,A
1$1$1$1¾4
Define mutation and mutagens. Describe the types of mulation.
vFkok
ladj.k dh ifjHkk"kk ,oa mÌs'; fyf[k,A ladj.k ds izdkjksa dk o.kZu dhft,A
Write defination and objectives of bridization. Describe the types of hybrdization.
vFkok
tuunzO; laj{k.k dks ifjHkkf"kr dhft,A tuunzO; laj{k.k dh fof/k;ksa dks le>kb,A
Define germ-plasm conservation. Describe different methods of germ-plasm consercation.

iz- 23 ^^xsgw¡ dk Hkwjk ;k i.kZ fdV jksx** ds y{k.k] jksxtud ,oa izcU/ku dk o.kZu dhft,A
1½$1$1½¾4
Describe the symptoms, pathogen and management of "Brown or leaf Rust of Wheat"
vFkok
^^uhacw ds dSadj jksx** ds y{k.k] jksxtud ,oa izcU/ku dk o.kZu dhft,A
Describe the symptoms, pathogen and management of "Citrus Canker"
vFkok
^^csj dk NkN;k jksx** ds y{k.k] jksxtud ,oa izcU/ku dk o.kZu dhft,A
Describe the symptoms, pathogen and management of "Powdery Mildew of Ber"