Rajasthan Board Class 12 Question Paper 2023 Geology

Rajasthan Board

QUESTION
PAPER

Zm_m§H$ Roll No.

Tear Here
Sl.No. :

No. of Questions – 20
No. of Printed Pages – 11 SS–43–Geology

Cƒ _mÜ`{_H$ narjm, 2023
SENIOR SECONDARY EXAMINATION, 2023
^y-{dkmZ

TEAR HERE TO OPEN THE QUESTION PAPER
GEOLOGY
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$aZo A{Zdm`© h¢&
All the questions are compulsory.
3) àË`oH$ àíZm| H$m CÎma Xr JB© CÎma-nwpñVH$m _| hr {bI|&
Write the answer to all questions in the given answer-book only.
`hm± go H$m{Q>E

SS–43–Geology 3039 [ 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$nm§Va _o| {H$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 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.

7) àíZ H«$‘m§H$ 16 go 20 ‘| Am§V[aH$ {dH$ën h¢&
There are internal choices in Question Nos. 16 to 20.

SS–43–Geology 3039

3
IÊS> - A
SECTION - A

~hþ{dH$ënr àíZ :

Multiple Choice Questions :

1) {ZåZm§{H$V àíZm| ‘| {XE JE ghr {dH$ën H$m M¶Z H$a CÎma nwpñVH$m ‘| {b{IE :

Write the answer of following questions in answer book by selecting the correct
option :

i) BZ‘| go H$m¡Zgr dm¶w AnaXZ go {Z{‘©V g§aMZm Zht h¡ - [1]

A) N>ÌH$ ~) Ûrnm^ {J[a

g) ¶maS>m§J X) ~mby {Q>ã~|

Which of the following is not a wind eroded landform?

A) Mushroom B) Inselberg

C) Yardangs D) Sand Dunes

ii) ‘moh H$s H$R>moaVm gmaUr ‘| {Oßg‘ H$s H$R>moaVm h¡ - [1]

A) 2 ~) 4

g) 6 X) 8

Hardness of Gypsum in Moh's hardness scale is :

A) 2 B) 4

C) 6 D) 8

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iii) {ZåZ ‘| go H$m¡Zgr AdgmXr e¡b H$m~©Z¶w³V h¡ - [1]

A) ~mbwH$mí‘ ~) MyZm nËWa

g) AmH$m}O X) BZ‘| go H$moB© Zhr

In which sedimentary rock carbon is present.

A) Sandstone B) Limestone

C) Arkose D) None of these

iv) BH$mBZmoB{S>¶m H$m gd© àW‘ H$~ CX²^d hþAm - [1]

A) Ho$på~«¶Z ‘| ~) {gbw[a¶Z ‘|

g) AmoS>m}{d{e¶Z ‘| X) na{‘¶Z ‘|

The echinoids first appeared during -

A) Cambrian B) Silurian

C) Ordovician D) Permian

v) BZ‘| go JbV Omo‹S>o H$mo ~VmB¶o - [1]

A) nwamOrdr - {gbw[a¶Z ~) ‘ܶOrdr - {H«$Q>o²{e¶g

g) nyamZyVZ - ‘m¶mo{gZ X) {Z¶mo{OZ - pßb¶mo{gZ

Find out the wrong pair :

A) Paleozoic - Silurian B) Mesozoic - Cretaceous

C) Paleogene - Miocene D) Neogene - Pliocene

SS–43–Geology 3039

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vi) ""JoboZm'' {H$g I{ZO H$m A¶ñH$ h¡ - [1]
A) OñVm ~) grgm
g) bmohm X) gmoZm
"Galena" is an ore mineral of :
A) Zinc B) Lead
C) Iron D) Gold
vii) ñ’${Q>H$ {H$ Om‘w{Z¶m± {H$ñ‘ OmZr OmVr h¡ - [1]
A) ‘mo[aAm°Z ~) EdoZMwamBZ ñ’${Q>H$
g) A‘o{WñQ> X) H$m[a¨Jmoa‘
Purple or Violet variety of quartz is known as :
A) Morion B) Aventurine quartz
C) Amethyst D) Cairngorm
viii) OaH$m°Z Q>mBn Ho$ g‘{‘{V Ad¶d - [1]
A) 5 - Vb, 5 - Aj, g‘{‘{V Ho$ÝÐ CnpñWV
~) 4 - Vb, 5 - Aj, g‘{‘{V Ho$ÝÐ CnpñWV
g) 7 - Vb, 5 - Aj, g‘{‘{V Ho$ÝÐ CnpñWV
X) 5 - Vb, 5 - Aj, g‘{‘{V Ho$ÝÐ AZwnpñWV
The symmetry of Zircon type class has :
A) Planes - 5, Axes - 5, Centre of Symmetry Present
B) Planes - 4, Axes - 5, Centre of Symmetry Present
C) Planes - 7, Axes - 5, Centre of Symmetry Present
D) Planes - 5, Axes - 5, Centre of Symmetry Absent

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ix) BZ‘| go H$m¡Zgr Am½Zo¶ e¡b Zhr h¡ : [1]

A) no½‘oQ>mBQ> ~) am¶mobmBQ>

g) Jo~m« o X) {eîQ>

Which one is not Igneous rock :

A) Pegmatite B) Rhyolite

C) Gabbro D) Schist

2) [a³V ñWmZm| H$s ny{V© H$s{OE :

Fill in the blanks :

i) ghm¶H$ g[aVmAm| Am¡a ‘w»¶ ZXr Ho$ gm‘y{hH$ ê$n ‘| ~hmd go {Z{‘©V {dݶmg ................... H$hbmVm
h¡& [1]

Pattern formed by the comined flow of main river and tributaries is known
as __________.

ii) ................... H$mo H$mbm A^«H$ ^r H$hVo h¡& [1]

______ also known as black mica.

iii) bo{‘{b~«|{H$¶m ................ g§K ‘| AmVm h¡& [1]

Lamellibranchia comes under _________ Phyllum.

iv) Jm|S>dmZm ‘hmg§K ‘| .................... H$s ~hþVm¶Vm h¡& [1]

_______ maximum found in Gondwana supergroup.

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3) A{V bKwÎmamË‘H$ àíZ :

Very short answer type questions :

i) g‘pñW{V H$mo n[a^m{fV H$s{OE& [1]

Define isostasy.

ii) AîQ>’$bH$ ³¶m hmoVm h¡? [1]

What is Octahedron?

iii) Ádmbm‘wIr Aí‘H$ H$mo n[a^m{fV H$s{O¶o& [1]

Give definition of Lapilli.

iv) {Z¶oZXaWb ‘mZd H$m CX²^d {H$g H$mb ‘| hþAm? [1]

In which period Nienderthal man originated.

v) ^rbdm‹S>m ‘hmg§K Ho$ {hÊS>m¡br g‘yh ‘| {‘bZo dmbr MÅ>mZ| ~VmB¶o& [1]

Rocks found in Hindoli group of Bhilwara supergroup are :

vi) Ordmí‘ H$mo n[a^m{fV H$s{O¶o& [1]

What is fossil?

vii) bmoh YmVw Ho$ A¶ñH$ I{ZOm| H$m Zm‘ d amgm¶{ZH$ g§KR>Z ~VmB¶o& [1]

Write the names of ore minerals of Iron and their chemical composition.

viii) E[a¶b ’$moQ>moJ«m’$s H$mo n[a^m{fV H$s{OE& [1]

Define arial photography.

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IÊS - ~
SECTION - B

bKwÎmamË‘H$ àíZ :
Short answer type questions :
4) ‘hmÛrnr¶ {dñWmnZ g‘PmB¶o& [1½]
Define continental drift.

5) g§ñne© H$moU‘mnr ~VmB¶o& [1½]
Describe the contact Goniometer.

6) Am-bmdm Ed§ nmhmoBhmoB bmdm ‘| {d{^ÝZVm g‘PmB¶o& [1½]
Explain difference in Aa lava and Pahoehoe lava.

7) ~hþ H$m¶m§VaU H$mo n[a^m{fV H$s{O¶o& [1½]
Define Polymetamorphism.

8) ’$moam{‘{Z’o$am ‘| {Ûê$nVm Am¡a ~hþê$nVm g‘PmB¶o& [1½]
Explain Dimorphism and Polymorphism in foraminifera.

9) {H$Z ^yd¡km{ZH$ H$m¶m] ‘| {N>ÐU H$m Cn¶moJ {H$¶m OmVm h¡? [1½]
In which kind of works drilling is used in Geological works.

SS–43–Geology 3039

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10) {d^d bm°qJJ H$mo n[a^m{fV H$s{O¶o& [1½]

Define Potential logging.

11) AaXZ ~m§Y H$mo {MÌ g{hV g‘PmB¶o& [1½]

Explain Earthern dam with diagram/sketch.

12) am°H$ ’$mñ’o$Q> H$mo {b{I¶o& [1½]

Write about Rock Phosphate.

13) ZmBg e¡b {b{I¶o& [1½]

Write about Gneiss rock.

14) ’o$H$mo{bW ³¶m h¡? [1½]

What is Phacolith?

15) {g{bHo$Q>mo H$s dbr¶ g§aMZm g‘PmB¶o& [1½]

Explain ring structure of Silicates.

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10
IÊS> - g
SECTION - C

XrK©CÎmar¶ àíZ :
Long answer type questions :

16) ZXr AnaXZ H$s {d{Y¶m| H$m dU©Z H$s{OE& [3]

Explain methods of river erosion.

AWdm/OR
Ádmbm‘wIr¶ CX²^oXZ H$mo n[a^m{fV H$s{OE Ed§ Ádmbm‘wIr CX²Jma Ho$ àH$mam| H$m dU©Z H$s{OE& [3]

Define Volcanic eruption and explain types of Volcanic eruptions.

17) Am½Zo¶ e¡bm| H$m dJuH$aU {b{I¶o& [3]

Give classification of igneous rocks.

AWdm/OR
H$m¶m§VaU H$mo n[a^m{fV H$a, BgHo$ H$maH$mo H$m dU©Z H$s{OE& [3]

Define metamorphism and explain its agents.

18) b¡‘obr~«opÝH$¶m H$s H$dM H$s AmH$m[aH$s {MÌ g{hV g‘PmB¶o& [3]

Describe morphology of the shell of the Lamellibranchia with suitable diagrams.

AWdm/OR
{H$Ýht VrZ nmXn Ordmí‘m| H$m dU©Z H$s{OE& [3]

Explain any three plant fossils.

SS–43–Geology 3039

11
IÊS> - X
SECTION - D

{Z~ÝYmË‘H$ àíZ :

Essay type questions :

19) ‘mZd {dH$mg H«$‘ H$m dU©Z H$s{OE& [4]

Describe the evolution of man.

AWdm/OR

Aamdbr ‘hmg§K H$m dU©Z H$s{OE& [4]

Give details of Aravalli Supergroup.

20) amOñWmZ Ho$ ^y-Ob H$s ì¶m»¶m H$s{O¶o& [4]

Explain the groundwater status of Rajasthan.

AWdm/OR

Wma ao{JñVmZ H$s CËn{Îm H$m dU©Z H$s{O¶o& [4]

Write essay on origin of Thar desert.



SS–43–Geology 3039

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