Rajasthan Board Class 12 Question Paper 2024 Environmental Science

RAJASTHAN BOARD

QUESTION
PAPER
2024

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RBSE

Zm_m§ H $ Roll No.

Tear Here
Sl.No. :

No. of Questions – 20
No. of Printed Pages – 11
SS–61–EVS

Cƒ _mÜ`{_H$ narjm, 2024
SENIOR SECONDARY EXAMINATION, 2024
n¶m©daU {dkmZ

TEAR HERE TO OPEN THE QUESTION PAPER
ENVIRONMENTAL SCIENCE
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 AnZm 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– 61–EVS 5037 [ 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 kind of error / difference / contradiction in the Hindi & English
versions of the question paper, the question of 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– 61–EVS 5037

3
IÊS> - A
SECTION - A

1) {ZåZ{b{IV ~hþ{dH$ënr¶ àíZm| Ho$ CÎma Xr{OE&
Give the answer of the following multiple choice questions.

i) {ZåZ{b{IV ‘| go Ob ‘| {H$gH$s A{YH$ ‘mÌm go ZdOmV {eew ‘| ""‘oQ>hr‘mo½bmo{~Zo{‘¶m'' Zm‘H$ amoJ hmo
OmVm h¡ - [½]
A) Ho$S>{‘¶‘ ~) grgm
g) nmam X) ZmBQ´>oQ>
Which of the following present in excessive amount in water causes a disease
called "Methaemoglobinamia" in new born babies?
A) Cadmium B) Lead
C) Mercury D) Nitrate
ii) {ZåZ{b{IV ‘| go àmW{‘H$ dm¶w àXÿfH$ h¡ - [½]
A) hmBS´>moOZ gë’$mBS> ~) gë’$a S>mB©Am°³gmBS>
g) ZmBQ´>moOZ S>mB©Am°³gmBS> X) Cnamoº$ g^r
Which of the following is a primary air pollutant?
A) Hydrogen sulphide B) Sulphur dioxide
C) Nitrogen dioxide D) All of above
iii) {ZåZ{b{IV ‘| go A{ZåZH$aUr¶ h¡ - [½]
A) CO 2 DDT ~)
g) O 3 SO 2 X)
Which of the following is non-reducible?
A) CO 2 B) DDT
C) O 3 D) SO 2
iv) {ZåZ{b{IV ‘| go {dÚwV Mwå~H$s¶ {d{H$aU h¡ - [½]
A) àmoQ>moZ ~) ݶwQ>´ mZ
g) E³g {H$aU| X) ~rQ>m H$U
Which of the following is an Electromagnetic radiation?
A) Proton B) Neutron
C) X-rays D) Beta particle

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v) {ZåZ{b{IV ‘| go ""ZmoH$ Zr {gÝS´>mo‘'' H$m H$maU h¡ - [½]
A) Ob ‘| Am¶aZ H$s H$‘r ~) Ob ‘| ‘o¾r{e¶‘ H$s A{YH$Vm
g) Ob ‘| âbmoamBS> H$s A{YH$Vm X) Ob ‘| {dQ>m{‘Z H$s A{YH$Vm
Which of the following is a cause of "Knock-Knee Syndrome"?
A) Deficiency of iron in water B) Excess of magnesium in water
C) Excess of Fluoride in water D) Excess of vitamin in water
vi) ³¶moQ>mo àmoQ>moH$m°b H$~ bmJy hþAm? [½]
A) 1997 ~) 1990
g) 1897 X) 1987
When did the Kyoto protocol come into force?
A) 1997 B) 1990
C) 1897 D) 1987
vii) {ZåZ{b{IV ‘| go H$m¡Z ZdrZH$aUr¶ g§gmYZ h¡? [½]
A) ndZ D$Om© ~) gm¡a D$Om©
g) Ádmar¶ D$Om©> X) Cnamoº$ g^r
Which of the following is a renewable resource?
A) Wind energy B) Solar energy
C) Tidal energy D) All of above
viii) {ZåZ{b{IV ‘| go H$m¡Z-go g§{dYmZ g§emoYZ Ho$ VhV AZwÀN>oX 48A d 51A OmoS>o J¶o h¢? [½]
A) 44 d| ~) 42 d|
g) 46 d| X) 52 d|
By which of the following constitutional amendment, article 48A and 51A
have been added?
A) 44th B) 42nd
C) 46th D) 52nd
ix) {ZåZ{b{IV ‘| go AZwÀN>oX 51-A {H$ggo gå~{ÝYV h¡ - [½]
A) ‘yb H$Îm©ì¶ ~) ‘yb A{YH$ma
g) Zr{V {ZX}eH$ VËd X) àñVmdZm
By which of the following the Article 51-A related with -
A) Fundamental duties B) Fundamental rights
C) Directive principles D) Introduction

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5
x) {ZåZ{b{IV ‘| go H|$MwE H$m g§K h¡ - [½]
A) EZr{bS>m ~) AmW«monmoS>m
g) nmoar’o$am X) àmoQ>moOmoAm
Which of the following is the phylum of earthworm?
A) Annelida B) Arthropoda
C) Porifera D) Protozoa
xi) {ZåZ{b{IV ‘| go, Ob ‘| CnpñWV amoJmUwOZH$m| H$mo ‘maZo Ho$ {bE {H$gH$m Cn¶moJ H$aVo h¡ - [½]
A) ³bmoarZ ~) âbmoarZ
g) ~«m‘o rZ X) ZmBQ´>mO
o Z
Which of the following is used to kill the pathogens present in water?
A) Chlorine B) Fluorine
C) Bromine D) Nitrogen
xii) {ZåZ{b{IV ‘| go {H$gHo$ CËnmXZ Ho$ {bE gd©àW‘ GMO OrdmUwAm| H$m Cn¶moJ {H$¶m J¶m Wm? [½]
A) nopßgZ ~) BÝgw{bZ
g) E‘mBboO X) Bt H$nmg
For production of, which of the following, GMO bacteria were firstly used?
A) Pepsin B) Insulin
C) Amylase D) Bt-cotton
xiii) {ZåZ{b{IV ‘| go ßbmpÁ‘S> H$s {deofVm h¡ - [½]
A) Xmohar b‹S>r S>rEZE ~) ñdà{VH¥${V ¶mo½¶ S>rEZE
g) à{VO¡{dH$ à{VamoYH$Vm OrZ X) Cnamoº$ g^r
Which of the following is the characteristic of plasmid?
A) Double strand DNA B) Self-replicating DNA
C) Antibiotic resistance gene D) All of above

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xiv) {díd H$m àW‘ n¶m©daU gå‘obZ H$hm± Am¶mo{OV {H$¶m J¶m? [½]

A) ~«mOrb ~) ñQ>m°H$hmo‘

g) ݶy¶mH©$> X) b§XZ

Where was the world's first environment conference held?

A) Brazil B) Stockholm

C) New York D) London

xv) {MnH$mo Am§XmobZ H$s ewê$AmV {H$g {Obo go hþB© - [½]

A) h[aÛma ~) M‘mobr

g) XohamXþZ X) Z¡ZrVmb

Chipko movement started from which district?

A) Haridwar B) Chamoli

C) Dehradun D) Nainital

xvi) Üd{Z H$s Vrd«Vm H$mo ‘mnZo H$s B©H$mB© h¡ - [½]

A) nmñH$b ~) ݶwQ>Z

g) S>ogr~b X) ‘rQ>a

The unit of measuring intensity of sound is -

A) Pascal B) Newton

C) Decibel D) Meter

SS– 61–EVS 5037

7
2) [a³V ñWmZm| H$s ny{V© H$s{OE :
Fill in the blanks :
i) H$moB© ^r nXmW© Omo àXÿfU CËnÞ H$aVm h¡ ............... H$hbmVm h¡& [½]
Any substance that causes pollution is called ________.
ii) ¶w{g{bÝS>g Zm‘H$ àmoQ>moOmoAm H$s CnpñW{V Cg joÌ ‘| ................. H$m g§Ho$VH$ h¡& [½]
Presence of protozoa called euclids indicator of _______ in the area.
iii) Hw$N> bmoJ ............ H$mo ""ñdÀN> àm¡Úmo{JH$s'' Ho$ Zm‘ go ^r nwH$maVo h¢? [½]
Some people also call ______ as "Clean technology".
iv) dm¶w (àXÿfU {ZdmaU VWm {Z¶ÝÌU) A{Y{Z¶‘ ............ ‘§o bmJw hþAm& [½]
The Air (Prevention and control of pollution) Act come into force in ______.
v) ñdÀN> {dH$mg {H«$¶m{d{Y (CDM) .............. àmoQ>moH$m°b H$m n[aUm‘ h¡& [½]
The Clean Development Mechanism is a result of the ______ protocol.
vi) h[aV n{Å>H$m joÌ ................ H$s Vrd«Vm ‘| H$‘r bmVo h¢& [½]
Green belt areas reduces the intensity of ________.
vii) .............. H|$MwAm| H$mo Cn¶wº$ dmVmdaU ‘| d¥{Õ H$aZo H$s à{H«$¶m h¡& [½]
______ is process of growing earthworm in a suitable environment.
viii) .............. EH$ Eogm {dbm¶H$ h¡, {Og‘| A{YH$m§e Aew{Õ¶m± Kwb gH$Vr h¢& [½]
______ is a solvent in which most of the impurities can dissolve.
ix) ao{S>¶moEp³Q>d nXmWmo] Ho$ {dIÊS>Z Ed§ [agmd Ho$ n[aUm‘-ñdê$n K{Q>V hmoZo dmbr AmnXm H$mo ............
H$hVo h¢& [½]
The disaster occuring as a result of fission and leakage of radioactive materials
is called ________.
x) dZm| Ho$ g§ajU hoVw H$Zm©Q>H$ ‘| ............... AmÝXmobZ Mbm¶m J¶m& [½]
______ movement was launched in Karnataka for the conservation of forests.

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3) {ZåZ{b{IV àíZm| Ho$ CÎma EH$ eãX ¶m EH$ n§{º$ ‘| {b{IE (A{VbKwÎmamË‘H$ àíZ) :

Answer the following questions in one word or in one line (very short answer type
questions) :

i) O¡d agm¶{ZH$ Am°³grOZ ‘m§J ³¶m h¡? [1]

What is Biochemical Oxygen Demand?

ii) ‘¥Xm àXÿfU H$mo n[a^m{fV H$s{OE& [1]

Define soil pollution.

iii) NAPCC H$m nwam Zm‘ {b{IE& [1]

Write full name of NAPCC.

iv) gm¡a n¡Zb Ho$ {Z‘m©U ‘| H$m‘ AmZo dmbr AY©MmbH$ YmVw H$m¡Z-gr h¡? [1]

Which semiconductor metal used to manufacture the solar panels?

v) n¶m©daU H$mo n[a^m{fV H$s{OE& [1]

Define environment.

vi) ^maVr¶ g§{dYmZ H$m H$m¡Z-gm AZwÀN>oX n¶m©daU gwajm Ed§ gwYma go gå~pÝYV h¢? [1]

Which article of the Indian constitution is related with protection and
improvement of environment?

vii) O¡{dH$ CnMmarH$aU H$mo n[a^m{fV H$s{OE& [1]

Define bioremediation.

viii) amï´>r¶ g§gmYZ ³¶m h¡? [1]

What is national resource?

SS– 61–EVS 5037

9
IÊS - ~
SECTION - B
bKwÎmamË‘H$ àíZ (CÎma eãX gr‘m bJ^J 30 eãX) :
Short answer type questions (Answer word limit approx 30 words) :
4) [½+½+½=1½]
Üd{Z àXÿfU H$mo n[a^m{fV H$s{OE& Üd{Z àXÿfU Ho$ Xmo ñÌm|Vm| Ho$ Zm‘ {b{IE&
Define Noise Pollution. Write name of two sources of Noise Pollution.
5) {H$Ýht VrZ J«rZ hmD$g J¡gm| Ho$ Zm‘ {b{IE& [½+½+½=1½]
Name any three green house gases.

6) ‘¥Xm àXÿfU Ho$ VrZ ñÌmoV {b{IE& [½+½+½=1½]
Write three sources of soil pollution.

7) D$Om© g§ajU Ho$ VrZ Cnm¶ {b{IE& [½+½+½=1½]
Write three measures to conserve energy.

8) [½+½+½=1½]
dm¶w àXÿfU {Z¶ÝÌU ‘| h[aV n{Å>H$mAm| Ho$ bm^ H$mo g‘PmBE& (H$moB© VrZ)
Explain the advantage of green belt in air pollution control. (Any three)

9) dݶ Ord (g§ajU) A{Y{Z¶‘ H$s VrZ {deofVm ~VmB¶o& [½+½+½=1½]
Explain three characteristics of the wildlife (protection) Act.

10) ñQ>moH$hmo‘ gå‘obZ H$m CÔoí¶ {b{IE& [1½]
Write the objective of Stockholm convention?

11) Vob àXÿfU H$mo n[a^m{fV H$s{OE g‘wÐr nm[apñW{VH$s na Vob àXÿfU Ho$ H$moB© Xmo à^md {b{IE&
[½+½+½=1½]
Define oil pollution. Write any two effects of oil pollution on marine ecosystem.
12) An{eï> Ob CnMma hoVw dm¶dr¶ O¡{dH$ CnMmaU {d{Y H$mo g‘PmBE& [1½]
Explain the aerobic biological treatment method for waste water treatment.
13) MH«$dmV à~ÝYZ Ho$ H$moB© VrZ Cnm¶ ~VmBE& [½+½+½=1½]
Mention any three measures of cyclone management.

14) Ka H$s N>V na dfm© Ob g§J«hU H$s {d{Y H$mo g‘PmBE& [1½]
Explain the method of Roof top water harvesting.

15) h‘mao Xoe Ho$ VrZ n¶m©daUr¶ AmÝXmobZm| Ho$ Zm‘ {b{IE& [½+½+½=1½]
Write names of three major environmental movement of our country.

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IÊS> - g
SECTION - C

XrK© CÎmar¶ àíZ (CÎma eãX gr‘m bJ^J 60 eãX) :
Long answer type questions (Answer word limit approx 60 words) :

16) h[aV B©‘maV na {Q>ßnUr {b{IE& [3]
Write a note on Green Building.
AWdm/OR
dm¶w Q>a~mBZ ³¶m h¡? dm¶w Q>a~mBZ H$m aoIm{MÌ ~ZmBE& [3]
What is wind turbine? Draw a diagram of wind turbine.

17) {Q>ßnUr {b{IE : [3]
H$) ^yH$ån
I) ~m‹T>
Write a note :
a) Earth quake
b) Flood
AWdm/OR
Ádmbm‘wIr {H«$¶m K{Q>V hmoZo H$m à‘wI H$maU {b{IE& [3]
Write the main reason for the occurrence of volcanic activity.

18) n¶m©daUr¶ H$mZyZm| H$mo bmJw H$aZo ‘| H$m¡Z-gr ~mYmE± AmVr h¢? [3]
What are the issue faced enforcing environmental laws?
AWdm/OR
dm¶w (àXÿfU {ZdmaU VWm {Z¶ÝÌU) A{Y{Z¶‘ 1981 H$s {deofVmE± {b{IE& [3]
Write the features of The Air (prevention and control of pollution) Act, 1981.

SS– 61–EVS 5037

11

IÊS> - X
SECTION - D

{Z~§YmË‘H$ àíZ (CÎma eãX gr‘m bJ^J 120 eãX) :
Essay type questions (Answer word limit approx 120 words) :

19) dm¶w àXÿfU ³¶m h¡? BgH$m gOrdm| na ³¶m à^md n‹S>Vm h¡? BgHo$ {Z¶ÝÌU hoVw Xmo Cnm¶ {b{IE& [4]

What is air pollution? What effects does it have on living being? Write any two
measure to control it.

AWdm/OR

O¡d g§Ho$VH$ {H$Ýh| H$hVo h¢, CXmhaU g{hV g‘PmBE& [4]

What are biological indicators, explain with example?

20) d‘uH§$nmopñQ>¨J H$s {d{Y Ho$ MaU g‘PmBE& [4]

Explain the steps of vermicomposting method.

AWdm/OR

An{eï> Ob ³¶m h¡? ^maV ‘| An{eï> Ob CnMmaU H$s à{H«$¶m g‘PmBE& [4]

What is waste water? Explain the process of waste water treatment in India.



SS– 61–EVS 5037

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