Rajasthan Board Class 12 Question Paper 2025 Agriculture Biology

RAJASTHAN BOARD

QUESTION
PAPER
2025

ANNUAL EXAMINATION

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Zm_m§ H $ Roll No.

Tear Here
Sl.No. :

No. of Questions – 18
SS–39–Agri.Bio.
No. of Printed Pages – 11

Cƒ _mÜ`{_H$ narjm, 2025
SENIOR SECONDARY EXAMINATION, 2025
H¥${f Ord {dkmZ

TEAR HERE TO OPEN THE QUESTION PAPER
AGRICULTURE BIOLOGY
g_` : 3 KÊQ>o 15 {‘{ZQ>

àíZ nÌ H$mo ImobZo Ho$ {bE `hm± \$m‹S>|
nyUmªH$ : 56

narjm{W©`m| Ho$ {bE gm_mÝ` {ZX}e …
GENERAL INSTRUCTIONS TO THE EXAMINEES :

1) narjmWu gd©àW_ AnZo àíZ-nÌ na Zm_m§H$ A{Zdm`©V… {bI|&
Candidate must write first his / her Roll No. on the question paper
compulsorily.
2) g^r àíZ H$aZo A{Zdm`© h¢&
All the questions are compulsory.
3) àË`oH$ àíZ H$m CÎma Xr JB© CÎma-nwpñVH$m _| hr {bI|&
Write the answer to each question in the given answer-book only.
`hm± go H$m{Q>E

SS–39–Agri. Bio. 7031 [ Turn Over

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4) {OZ àíZmo§ _| AmÝV[aH$ IÊS> h¡§, CZ g^r Ho$ CÎma EH$ gmW hr {bI|&
For questions having more than one part the answers to those parts are to be
written together in continuity.

5) àíZ nÌ Ho$ {hÝXr d A§J«oOr ê$nmÝVaU _o| {H$gr àH$ma H$s Ìw{Q> / AÝVa / {damoYm^mg hmoZo na {hÝXr ^mfm
Ho$ àíZ H$mo hr ghr _mZ|&
If there is any error / difference/ contradiction in Hindi & English versions of
the question paper, the question of the Hindi version should be treated valid.

6) àíZ H$m CÎma {bIZo go nyd© àíZ H$m H«$‘m§H$ Adí¶ {bI|&

Write down the serial number of the question before attempting it.

SS–39–Agri. Bio. 7031

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IÊS> - A
SECTION - A

1) ~hþ{dH$ënmË_H$ àíZ:
(i go xviii) {ZåZ àíZm| Ho$ CÎma H$m ghr {dH$ën M`Z H$a CÎma nwpñVH$m _| {b{IE&
Multiple Choice Questions:
Choose the correct option to the following questions answer from multiple choice
questions- (i to xviii) and write it in the given answer book.
i) ^maVr¶ H¥${f AZwg§YmZ g§ñWmZ pñWV h¡ - [½]
A) H$mZnwa ~) ^aVnwa
g) ZB© {Xëbr X) ZmJnwa
Indian Agriculture Research Institute is located at-
A) Kanpur B) Bharatpur
C) New Delhi D) Nagpur
ii) ^maV _| nmXn OZZ Ðì` g§ajU Ho$ÝÐ H$m Zm_ h¡ - [½]
A) ICAR ~) NBPGR
g) IBPGR X) IARI
The name of the plant germplasm conservation centre in India is-
A) ICAR B) NBPGR
C) IBPGR D) IARI
iii) PCR (nmo{b_aoO l§¥Ibm A{^{H«$`m) H$s ImoO H$s - [½]
A) H¡$ar_w{bg ~) nm°b ~J©
g) ñQ>mZbo H$mohoZ X) ha~Q>© ~mo`a
Discovered PCR (Polymerase Chain Reaction)-
A) Kary Mullis B) Paul Berg
C) Stanley Cohen D) Herbert Boyer
iv) Iar\$ \$gbm| _| bJZo dmbm H$sQ> h¡ - [½]
A) gagm| H$m _mo`bm ~) Joh±ÿ H$m Jwbm~r {N>ÐH$
g) MZo H$m \$br N>oXH$ X) H$mVam
The pests that attack Kharif crops-
A) Mustard aphid B) Wheat pink borer
C) Grampod borer D) Red hairy caterpillar

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v) Xr_H$ {H$g JU H$s gXñ` h¡ - [½]
A) AmBgmoßQ>oam ~) H$mo{b`moßQ>oam
g) bo{nS>moßQ>oam X) AmWmo}ßQ>oam
Termite is a member of which order-
A) Isoptera B) Coleoptera
C) Lepidoptera D) Orthoptera
vi) _mXm {Q>S²>S>r AÊS>o XoVr h¡- [½]
A) VZo na ~) n{Îm`m| na
g) ^y{_ _| X) \y$bm| na
The female grasshopper lay her eggs-
A) On stem B) On leaves
C) In soil D) On flower
vii) H$sQ>m| Ho$ n[adY©Z Ho$ {bE AZwHy$bV_ Vmn_mZ hmoVm h¡ - [½]
A) 1-5 ºC ~) 10-35 ºC
g) 36-39 ºC X) 40-50 ºC
An optimum temperature for the development of insects is-
A) 1-5 ºC B) 10-35 ºC
C) 36-39 ºC D) 40-50 ºC
viii) agm`Zmo| Ho$ ñd^md Ho$ AmYma na H$sQ>Zm{e`m| Ho$ àH$ma h¢ - [½]
A) VrZ ~) Mma
g) nm§M X) Xmo
On the basis of chemical nature, types of insectisides are -
A) Three B) Four
C) Five D) Two
ix) gdmªJr {df H$m CXmhaU h¡ - [½]
A) _moZmoH«$moQ>mo\$m°g ~) _obm{W`mZ
g) B{W`mZ X) n¡am{W`mZ
An example of systemic poison is-
A) Monocrotophos B) Malathion
C) Ethion D) Parathion

SS–39–Agri. Bio. 7031

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x) ^maV _| nmXn amoJ {dkmZ H$m OZH$ {H$go _mZm OmVm h¡ - [½]
A) d¡Šg_oZ ~) \|«$H$
g) B©.Oo. ~Q>ba X) EM. gr. J«m_
Who is known as father of plant pathology in India?
A) Waksman B) Frank
C) E.J. Butler D) H.C. Gram
xi) àr`moZ Ho$ ImoOH$Vm© h¡ - [½]
A) nr.E. _mBHo$br ~) Eg.~r. àyOrZa
g) àmo. {_bmS>} X) Q>r.Amo. S>mBZa
Discoverer of Prion is-
A) P.A. Micheli B) S.B. Prusiner
C) Prof. Millardet D) T.O. Diener
xii) ~mOao H$m AJ©Q> amoJ hmoVm h¡ - [½]
A) gyÌH¥${_ Ûmam ~) H$dH$ Ûmam
g) OrdmUw Ûmam X) {dfmUw Ûmam
Ergot of Bajra Disease is due to-
A) Nematode B) Fungi
C) Bacteria D) Virus
xiii) ApñQ>bmJmo hmoS>m©B {H$g \$gb H$s ~r_mar H$m amoJOZH$ h¡ - [½]
A) Om¡ ~) Johÿ±
g) MZm X) gagm§o
Ustilago hordei is the pathogen of which crop disease-
A) Barley B) Wheat
C) Gram D) Mustard
xiv) g§K _mobñH$m H$m OÝVw h¡ - [½]
A) EñHo$[ag ~) Km|Km
g) H|$MwAm X) _Yw_ŠIr
The animal of phylum mollusca is-
A) Ascaris B) Snail
C) Earthworm D) Honey bee

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xv) Imao Ob Ed§ _¥Xm _| nm`o OmZo dmbo gyÌH¥${_ H$m CXmhaU h¡ - [½]
A) S>moam`bo_g ~) ßboŠQ>g
g) H«$mo_oS>moam X) {ZJmobo_g
An example of nematode found in salt water and soil-
A) Dorylaimus B) Plecatus
C) Cromedera D) Nigolemus
xvi) H|$MwE _| nofUr H$m H$m`© h¡ - [½]
A) ^moOZ AdemofU ~) ^moOZ H$mo nrgZo H$m
g) ^moOZ _| bma {_bmZm X) Cnamoº$ _| g| H$moB© Zhr§
The function of the gizzard in earthworm is-
A) Food absorption B) To grind food
C) Add saliva with food D) None of above
xvii) H|$MwE _| _bÛma eara Ho$ H$m¡Zgo IÊS> na hmoVm h¡ - [½]
A) àW_ ~) gmVd|
g) Xgd| X) ApÝV_
In earthworm, on which segment of the body is the anus located-
A) First B) Seventh
C) Tenth D) Last
xviii)\o$grAmobm {hno{Q>H$m d¡km{ZH$ Zm_ h¡ - [½]
A) Om|H$ ~) brda âbyH$
g) {nñgw X) EoñHo$[ag
Faciola hepatica is the scientific name of-
A) Leech B) Liver fluke
C) Flea D) Ascaris

2) [aº$ ñWmZm| H$s ny{V© H$s{OE …(i go x)
Fill in the blanks : (i to x)
i) àH¥${V Ûmam {H$E OmZo dmbo daU H$mo ................ daU H$hVo h¢& [½]
The selection is done by nature is called ________ selection.
ii) _m{Q>©Z JobQ>© Zo 1967 _| ................ EÝOmB_ H$mo ImoOm Wm& [½]
The _______ enzyme was discovered by Martin Gellert in 1967.

SS–39–Agri. Bio. 7031

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iii) Xr_H$ EH$ ................ H$sQ> h¡ VWm {Zdh _| ahVm h¡& [½]
Termite is a ________ insect and lives in colonies.
iv) H$sQ>Zmer agm`Zm| H$m à`moJ gw§S>r H$s ................ AdñWm _| Á`mXm à^mdr hmoVm h¡& [½]
Use of insecticide chemicals is more effective in the ________ stage of the
Caterpillar.
v) àH$me Ho$ A^md `m AÝYH$ma H$s dOh go nm¡Ym| H$m nrbm n‹S>Zm ................ H$hbmVm h¡& [½]
Yellowing of plants due to lack of light or darkness is called _________.
vi) do H$dH$ Omo AnZm ^moOZ _¥V H$m~©{ZH$ nXmWm] go àmá H$aVo h¢ ................ H$hbmVo h¢& [½]
Fungi which get their food from dead organic matter are called _________.
vii) gyÌH¥${_ H$mo ................ Zm_H$ d¡km{ZH$ Zo 1901 _| gd©àW_ Mm` Ho$ ~mJmZm| _| XoIm Wm& [½]
Nematode was first seen in tea gardens by a scientist named _________
in 1901.
viii) ñbJ Ho$ AYaVb na EH$ Mm¡‹S>m, MnQ>m d Vbdo Ho$ g_mZ ................ hmoVm h¡& [½]
The slug has a broad, flat and sole like _________ on its lower surface.
ix) nm¡Ym| _| namJU {H«$`m H$m H$m`© {g\©$ ................ _Yw_pŠI`m± hr H$aVr h¡& [½]
Only _________ bees carry out the pollination process in plants.
x) {nñgw ................ g§K H$m {H$Q> h¡& [½]
Flea belongs to the phyllum of _________.

3) A{V bKwÎmamË‘H$ àíZ: (i go x)
{ZåZ àíZm| Ho$ CÎma EH$ eãX `m EH$ bmB©Z _| Xr{OE&
Very short answer type questions: (i to x)
Answer the following questions in one word or one line.
i) CËn[adV©OZ {H$go H$hVo h¢? [1]
What is called Mutagens?
ii) ewÕ d§eH«$_ M`Z H$m EH$ JwU {b{IE& [1]
Write one quality of pure lineage selection.
iii) H¥${Ì_ JwUgyÌ go Š`m A{^àm` h¡? [1]
What do you mean by Artificial Chromosome?
iv) H$m{`H$ ŠbmoZr` {d{dYVm Ûmam {dH${gV eŠH$a H$ÝX H$s EH$ {H$ñ_ H$m Zm_ {b{IE& [1]
Write the name of a variety of sweet potato developed by somaclonal
variations.

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v) Zr_ H$m d¡km{ZH$ Zm_ {b{IE& [1]
Write the scientific name of Neem.
vi) nm¡Ym| _| åbm{Z amoJ H$m H$moB© EH$ bjU {b{IE& [1]
Write any one symptom of wilt disease in plants.
vii) Q>_mQ>a Ho$ AJoVr Pwbgm amoJ H$m amoJOZH$ {b{IE& [1]
Write the pathogen of early blight of tomato.
viii) Zt~y Ho$ H¡$§H$a amoJ Ho$ O¡{dH$ à~ÝYZ hoVw H$moB© EH$ amoJ amoYr {H$ñ_ {b{IE& [1]
Write any one disease resistant variety for biological management of citrus
canker.
ix) Q>_mQ>a H$s \$gb CJmZo Ho$ {bE H$moB© Xmo gyÌH¥${_ à{VamoYr {H$ñ_m| Ho$ Zm_ {b{IE& [½+½=1]
Write the names of any two nematodes resistant varieties for tomato crop.
x) _Yw_pŠI`m| H$m H¥${f _| H$moB© EH$ _hËd {b{IE& [1]
Write any one importance of bees in agriculture.
IÊS - ~
SECTION - B

bKwÎmamË‘H$ àíZ : (CÎma gr‘m bJ^J 50 eãX)
Short answer type questions : (Answer limit approximately 50 words)

4) gmo`m~rZ, YmZ Ed§ Amby Ho$ àmW{_H$ CX²J_ Ho$ÝÐ {b{IE& [3×½=1½]
Write the primary origin center of soyabean, paddy and potato.

5) AZma H$s {VVbr H$m à~ÝYZ {b{IE& [1½]
Write the management of Pomegranate butterfly.

6) hñVM{bV amoQ>oar àYybH$ H$m Zm_m§{H$V {MÌ ~ZmBE& [1½]
Draw a labelled diagram of hand operated rotary duster.

7) H$dH$ Ho$ H$dH$VÝVw H$m Zm_m§{H$V {MÌ ~ZmBE& [1½]
Draw a labelled diagram of a fungal filaments.

SS–39–Agri. Bio. 7031

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8) [3×½=1½]
gd©ì`mnr amoJ {H$go H$hVo h¢? H$moB© Xmo gd©ì`mnr amoJm| Ho$ Zm_ {b{IE&
What are called pandemic disease? Write the names of any two pandemic diseases.

9) Q>_mQ>a Ho$ nU© Hw$ÝMÝZ amoJ Ho$ bjU {b{IE& [1½]
Write the symptoms of leaf curl of tomato disease.

10) ~oa H$m N>mN²>`m amoJ Ho$ à~ÝYZ {b{IE& [1½]
Write about the management of powdery mildew of BER disease.

11) JmS>©Z ñZ¡b (ho{bŠg) H$m {MÌ ~ZmBE& [1½]

Draw a diagram of garden snail (helix).

12) gyÌH¥${_ H$m nm¡Ym| na à^md {b{IE& [1½]
Write the effect of nematodes on plants.

13) H|$MwE _| OZZ VÝÌ {H«$`m H$mo g_PmBE& [1½]
Explain the reproductive system functioning in earthworm.

IÊS> - g
SECTION - C

XrK© CÎmamË_H$ àíZ : (CÎma gr‘m bJ^J 100 eãX)
Long answer type questions : (Answer limit approximately 100 words)

14) CËn[adV©Z {H$go H$hVo h¡ BgHo$ àH$mam| H$m dU©Z H$s{OE& [1+2=3]
What is called mutation and describe its types.
AWdm/OR
g§H$aU {H$go H$hVo h¢? g§H$aU Ho$ àH$mam| H$m dU©Z H$s{OE&
What is hybridization? Describe the types of hybridization.

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15) Ti ßbmpÁ_S> H$m g{MÌ dU©Z H$s{OE& [1+2=3]
Describe Ti plasmid with a diagram.
AWdm/OR
H$mo{eH$m g§dY©Z H$m g{MÌ dU©Z H$s{OE&
Describe cell culture with a diagram.

16) {Q>S²>S>o Ho$ _wIm§Jm| H$m g{MÌ dU©Z H$s{OE& [1+2=3]
Describe the mouthparts of a grasshopper with a diagram.
AWdm/OR
H|$MwE Ho$ nmMZ VÝÌ H$m g{MÌ dU©Z H$s{OE&
Describe the digestive system of earthworm with a diagram.

IÊS> - X
SECTION - D

{Z~ÝYmË_H$ àíZ: (CÎma gr‘m bJ^J 250 eãX)
Essay type questions: (Answer limit approximately 250 words)

17) Xr_H$ H$m d¡km{ZH$ Zm_, OrdZ MH«$, j{V Ed§ à~ÝYZ H$m dU©Z H$s{OE& [½+1+1+1½=4]
Describe the scientific name, life cycle, nature of damage and management of
termite.
AWdm/OR
Johÿ± H$m VZm N>oXH$ H$sQ> H$m d¡km{ZH$ Zm_, OrdZ MH«$, j{V Ed§ à~ÝYZ H$m dU©Z H$s{OE&
Describe the scientific name, life cycle, nature of damage and management of
wheat stem borer insect.

SS–39–Agri. Bio. 7031

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18) H$Vbm _N>br H$m d¡km{ZH$ Zm_ {b{IE VWm BgH$s ~mh²` g§aMZm H$m Zm_m§{H$V {MÌ Ûmam dU©Z H$s{OE&
[1+1½+1½=4]
Write the scientific name of katla fish and describe its external structure with the
help of labelled diagram.

AWdm/OR
_¥Jmb _N>br H$m d¡km{ZH$ Zm_ {b{IE VWm BgH$s ~mh²` g§aMZm H$m Zm_m§{H$V {MÌ Ûmam dU©Z H$s{OE&
Write the scientific name of Mrigal fish and describe its external structure with
the help of labelled diagram.

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SS–39–Agri. Bio. 7031

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