CBSE Class 12 Question Paper 2023 Geospatial Technology

Qu e st i o n

P a p e r
2023

Series HEFG Set-4
àíZ-nÌ H$moS>
Q.P. Code 342
amob Z§.
Roll No.

^y-AmH$mer` VH$ZrH$s
GEOSPATIAL TECHNOLOGY
:3 : 60
Time allowed : 3 hours Maximum Marks : 60

H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 15 h¢ &
àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE àíZ-nÌ H$moS H$mo narjmWu CÎma-nwpñVH$m Ho$
_wI-n¥>ð> na {bI| &
H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| >24 àíZ h¢ &
H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, CÎma-nwpñVH$m _| àíZ H$m H«$_m§H$
Adí` {bI| &
Bg àíZ-nÌ 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU
10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db
àíZ- -nwpñVH$m na H$moB© CÎma Zht {bI|Jo &

Please check that this question paper contains 15 printed pages.
Q.P. Code given on the right hand side of the question paper should be
written on the title page of the answer-book by the candidate.
Please check that this question paper contains 24 questions.
Please write down the serial number of the question in the
answer-book before attempting it.
15 minute time has been allotted to read this question paper. The
question paper will be distributed at 10.15 a.m. From 10.15 a.m. to
10.30 a.m., the students will read the question paper only and will not
write any answer on the answer-book during this period.
*
342 Page 1 of 15 P.T.O.

:

(i)
(ii) 24 :

(iii)

(iv) (6 + 18) = 24 3
(6 + 11) = 17
(v)
(vi) : 30 :

(a) 6
(b)
(c)
(d) /
(vii) : 30 :
(a) 18
(b) 11
(c)
(d) /

IÊS> H$ $
(dñVw{ZîR> àíZ) (30 A§H$)
1. amoµOJma H$m¡eb na {XE JE 6 àíZm| _| go {H$Ýht 4 àíZm| Ho$ CÎma Xr{OE & 4 1=4

(i) {ZåZ{b{IV _| go H$m¡Z-gm {dH$ën {df` H$mo à_wIVm go {XImZo Ho$ {bE Cn`moJ
Zht {H$`m OmVm h¡ ?
(a) H$ÊQ´>mob + ~r
(b) H$ÊQ´>mob + `y
(c) H$ÊQ´>mob + dr
(d) H$ÊQ´>mob + AmB©

342 Page 2 of 15

General Instructions :
(i) Please read the instructions carefully.
(ii) This question paper consists of 24 questions in two Sections : Section A
and Section B.
(iii) Section A has Objective type questions, whereas Section B contains
Subjective type questions.
(iv) Out of the given (6 + 18) = 24 questions, a candidate has to answer
(6 + 11) = 17 questions in the allotted (maximum) time of 3 hours.
(v) All questions of a particular section must be attempted in the correct
order.
(vi) Section A : Objective Type Questions (30 marks) :
(a) This section has 6 questions.
(b) There is no negative marking.
(c) Do as per the instructions given.
(d) Marks allotted are mentioned against each question/part.
(vii) Section B : Subjective Type Questions (30 marks) :
(a) This section has 18 questions.
(b) A candidate has to do 11 questions.
(c) Do as per the instructions given.
(d) Marks allotted are mentioned against each question/part.

Section A
(Objective Type Questions) (30 Marks)

1. Answer any 4 questions out of the given 6 questions on Employability
Skills. 4 1=4

(i) Which of the following options is not used for highlighting text ?
(a) Ctrl + b
(b) Ctrl + u
(c) Ctrl + v
(d) Ctrl + i

342 Page 3 of 15 P.T.O.

(ii) ______ naoemZ, ZmamO Am¡a {Zame _hgyg H$aZo H$s pñW{V h¡ &
(a) AmË_{dídmgr (b) VZmd
(c) ào[aV (d) Agwa{jV
(iii) {ZåZ{b{IV _| go h¡ ?
(a) em§V (b) Agwa{jV
(c) AmË_{dídmgr (d) CÎmoOZmhrZ
(iv) H¡$ëH$ _| EH$ gyÌ h_oem _______ {M go ewê$ hmoVm h¡ &
(v) ______ H$mo EH$ A{à` ^mdZm Ho$ ê$n _| n[a^m{fV {H$`m J`m h¡ Omo dmñV{dH$ `m
H$mën{ZH$ IVao H$s YmaUm go CËnÞ hmoVr h¡ &
(vi) ______ EH$ CÚ_r H$mo EH$ Eogo ì`{º$ Ho$ ê$n _| n[a^m{fV H$aVo h¢, {OgHo$ H$m`©
gm_m{OH$ pñW{V H$m {ZYm©aU H$aVo h¢ Am¡a gm_m{OH$ {dH$mg _| `moJXmZ H$aVo h¢ &

2. {XE JE 7 àíZm| _| go {H$Ýht 5 àíZm| Ho$ CÎma Xr{OE & 5 1=5

(i) na_ eyÝ` H$m Vmn_mZ {H$VZm hmoVm h¡ ?
(a) eyë` gopëg`g (b) eyë` \$maoZhmBQ>
(c) eyë` Ho$pëdZ (d) eyë` a¡Z{H$Z
(ii) Ob H$m dU©H«$_r` hñVmja _w»` ê$n go {Z{hV hmoVm h¡ :
(a) Ñí` ^mJ _| (b) g_rn Adaº$ _|
(c) _Ü` Adaº$ _| (d) gwXÿa Adaº$ _|

(iii) AmnHo$ eha Ho$ dmVmdaU _| àXyfH$m| H$s gm§ÐVm H$mo _mnZo Ho$ {bE {H$g gwXÿa g§dXo Z
VH$ZrH$ H$m Cn`moJ {H$`m OmEJm ?
(a) gmoZma (b) aS>ma
(c) {bS>ma (d) Vmnr`

(iv) ______ g§doXZ CnH$aU _| gr{_VVm Ho$ H$maU N>{d S>oQ>m _| H$moB© Adm§{N>V
h¡ &
(a) Á`m{_Vr` {dH¥${V (b) Üd{Z emoa
(c) J¡a-ì`dpñWV {dH¥${V (d) ao{S>`mo-AZwH$mar {dH¥${V

342 Page 4 of 15

(ii) ________ is a state of feeling upset, annoyed and hopeless.
(a) Confident (b) Stress
(c) Motivated (d) Insecure

(iii) Which of the following is not a trait of emotional stability ?
(a) Calm (b) Insecure
(c) Self-confident (d) Cool

(iv) A formula in Calc always starts with a/an _____ sign.

(v) _______ is defined as an unpleasant feeling triggered by the
perception of danger, real or imagined.

(vi) ________ defines an entrepreneur as a person, whose actions would
determine social status and contribute to societal development.

2. Answer any 5 out of the given 7 questions. 5 1=5

(i) What is the temperature of absolute zero ?
(a) Zero Celsius (b) Zero Fahrenheit
(c) Zero Kelvin (d) Zero Rankine

(ii) Spectral Signature of water mainly lies in :
(a) Visible Portion (b) Near Infrared
(c) Middle Infrared (d) Far Infrared

(iii) Which remote sensing technology will be used to measure the

(a) SONAR (b) RADAR
(c) LIDAR (d) Thermal

(iv) _________ is any unwanted disturbance in the image data due to
limitation in the sensing instrument.
(a) Geometric distortion (b) Image noise
(c) Non-systematic distortion (d) Radiometric distortion

342 Page 5 of 15 P.T.O.

(v) SPOT ?
(a) 1 ~¢S> (b) 4 ~¢S>
(c) 5 ~¢S> (d) 7 ~¢S>
(vi) `{X nm¡Ym| H$s n{Îm`m| _| Z_r H$_ h¡, Vmo `h g^r ~¢S> _| A{YH$ ______ D$Om©
àXmZ H$aVo h¢ &
(a) Ademo{fV (b) {VVa-{~Va
(c) namdV©Z (d) g§MmaU
(vii) ñWm{ZH$ g§~§Ym| H$mo àH$Q> H$aZo Ho$ {bE H$m¡Z-gm S>oQ>m _m°S>b g~go ì`mnH$ ê$n go
Cn`moJ {H$`m OmZo dmbm VarH$m h¡ ?
(a) amñQ>a (b) d¡
(c) ñnoJoQ>r (d) Q>monmobm°{OH$b

3. {XE JE 7 àíZm| _| go {H$Ýht 6 àíZm| Ho$ CÎma Xr{OE & 6 1=6

(i) h¡ ?
(a) g§{já aoImE± (b) {dH¥$V aoImE±>
(c) A{V[aº$ aoImE± (d)

(ii) H$m¡Z-gm Or.AmB©.Eg. S>Qo >m _m°S>b gwXÿa g§doXZ S>oQ>m Ho$ gmW AmgmZr go g§`mo{OV
hmoVm h¡ ?
(a) (b) amñQ>a
(c) Q>monmobmo{OH$b (d) ñnoJoQ>r

(iii) r_m§H$Z H$aZm MmhVo h¢ Vmo {H$g
ñWm{ZH$ {díbofU à{H«$`m H$m Cn`moJ H$a|Jo ?
(a) {db` (b) Cn[aem`r
(c) ~µ\$a (d) àíZ

(iv) {ZåZ{b{IV _| go H$m¡Z-gm EH$ ZXr H$m ñWm{ZH$ S>oQ>m h¡ ?
(a) ZXr H$s pñW{V (b) ZXr H$m Andmh joÌ
(c) ZXr H$s b§~mB© (d) ZXr H$m gm§ñH¥${VH$ _hÎd
(v) _______ EH$ H$åß`yQ>a EßbrHo$eZ àmoJ«m_ h¡ Omo ñWm{ZH$ Am¡a J¡a -ñWm{ZH$ OmZH$mar
H$mo {S>{OQ>b ê$n _| g§J«hrV H$aVm h¡ &
(a) Or AmB© Eg (b) Or nr Eg
(c) Ama Eg (d) Eb ~r Eg
342 Page 6 of 15

(v) What is the spectral resolution of SPOT ?
(a) 1 band (b) 4 bands
(c) 5 bands (d) 7 bands
(vi) If the moisture is low in leaves of the plants, then it ______ more
energy in all bands.
(a) absorbs (b) scatters
(c) reflects (d) transmits
(vii) Which data model is the most-widely used method to reveal spatial
relationship ?
(a) Raster (b) Vector
(c) Spaghetti (d) Topological

3. Answer any 6 out of the given 7 questions. 6 1=6
(i) Which of the following is not included in digitizing errors ?
(a) Collapsed lines (b) Misshapen lines
(c) Extra lines (d) Wide lines
(ii) Which GIS data model is easier to interface with remote sensing
data ?
(a) Vector (b) Raster
(c) Topological (d) Spaghetti
(iii) If you wish to demarcate the impact area of a river flooding, which
spatial analysis tool will be used ?
(a) Merge (b) Overlay
(c) Buffer (d) Query

(iv) Which of the following is not a spatial data of a river ?
(a) Location of a river (b) Drainage area of a river
(c) Length of a river (d) Cultural significance of a river

(v) ______ is a computer application program that stores spatial and
non-spatial information in a digital form.
(a) GIS (b) GPS
(c) RS (d) LBS

342 Page 7 of 15 P.T.O.

(vi) {ZåZ{b{IV _| go H$m¡Z- h¡ ?
(a) (b) `moJ
(c) àíZ (d) à{VÀN>oXZ
(vii) J¡br{b`mo _| {H$VZr H$jmE| hmoVr h¢ ?
(a) 3 (b) 4
(c) 5 (d) 6

4. {XE JE 6 àíZm| _| go {H$Ýht 5 àíZm| Ho$ CÎma Xr{OE & 5 1=5

(i) h¡ ?
(a) 50 {S>J«r
(b) 55 {S>J«r
(c) 63 {S>J«r
(d) 65 {S>J«r

(ii) Or nr Eg Ho$ àMmbZ Ho$ {S>\
h¡ ?
(a) 1 go_r 5 go_r
(b) 20 go_r 1 _r
(c) 0·5 _r 5 _r
(d) 15 _r 100 _r

(iii) H$m¡Z-gm Or AmB© Eg JwUdÎmm Am¡a gQ>rH$Vm H$s g_ñ`mAm| H$m gm_Zm H$aVm h¡ ?
(a) S>oñH$Q>m°n Or AmB© Eg
(b) do~ Or AmB© Eg
(c) CÚ_ Or AmB© Eg
(d) M{bV Or AmB© Eg

(iv) gm_m{OH$ ZoQ>d{Hª$J Am¡a _mo~mBb Joq_J Ho$ {bE {ZåZ{b{IV _| go {H$gH$m Cn`moJ
hmoVm h¡ ?
(a) Z¡H$ (b) g\©$$
(c) {Oßgr {gå~r`Z (d) gm`_¡n

342 Page 8 of 15

(vi) Which of the following is not a vector overlay method ?
(a) Clip (b) Union
(c) Query (d) Intersection

(vii) How many orbits are there in GALILEO ?
(a) 3 (b) 4
(c) 5 (d) 6

4. Answer any 5 out of the given 6 questions. 5 1=5

(i) What is the inclination angle of NAVSTAR satellites ?
(a) 50 degrees
(b) 55 degrees
(c) 63 degrees
(d) 65 degrees

(ii) What is an average accuracy in Differential GPS mode of operation
in GPS ?
(a) 1 cm 5 cm
(b) 20 cm 1m
(c) 0·5 m 5m
(d) 15 m 100 m

(iii) Which GIS faces the quality and accuracy issues ?
(a) Desktop GIS
(b) Web GIS
(c) Enterprise GIS
(d) Mobile GIS

(iv) Which of the following is used for social networking and mobile
gaming ?
(a) NAC (b) SIRF
(c) GYPSII Symbian (d) SYMAP

342 Page 9 of 15 P.T.O.

(v) Adaº$ joÌ {H$gHo$ _Ü` pñWV h¡ ?
(a) Ñí`_mZ Am¡a nam~¢JZr (b) Ñí`_mZ Am¡a _mBH«$modod
(c) _mBH«$modod Am¡a ao{S>`mo (d) nam~¢JZr Am¡a -ao
(vi) {H$g amÁ` _| pñWV h¡ ?
(a) H$Zm©Q>H$ (b) _hmamîQ´>
(c) {~hma (d) amOñWmZ
5. {XE JE 6 àíZm| _| go {H$Ýht 5 àíZm| Ho$ CÎma Xr{OE & 5 1=5

[aº$ ñWmZm| H$s ny{V© H$s{OE &
(i) ______ Or AmB© Eg g§n{Îm H$s pñW{V Am¡a g§~§{YV OmZH$mar H$s gyMr ~ZmVm h¡ &
(ii) _____ AmYm[aV Zm¡MmbZ V§Ì [ÛVr` {díd `wÕ _| {dH${gV Am¡a Cn`moJ {H$E JE &
(iii) ______ {díbofU H$m Cn`moJ {H$gr ^m¡Jmo{bH$ bjU Ho$ Amgnmg Ho$ joÌ H$s
nhMmZ Ho$ {bE {H$`m OmVm h¡ &
(iv) ______ H$m`©joÌ go {bE JE CÞ`Z S>oQ>m q~XþAm| H$m Cn`moJ H$aHo$ {Z{_©V {Ì^wOm|
H$s EH$ ûm¥§Ibm h¡ &
(v) ______ -{d^oXZ A§H$s` CËWmnZ à{Vê$n ~Zm gH$Vm h¡ &
(vi) ______ joÌ kmV ^y{_ AmdaU loUr H$m à{V{Z{YËd H$aVo h¢ Omo N>{d _| gOmVr`
{XImB© XoVo h¢ &

6. {XE JE 6 àíZm| _| go {H$Ýht 5 àíZm| Ho$ CÎma Xr{OE & 5 1=5

(i) n§ ? `h GPS gQ>rH$Vm H$mo H¡$go à^m{dV H$aVr h¡ ?

(ii) _mZ br{OE {H$ Amn EH$ ZB© _oQ´>mo aobdo bmBZ H$s H$ënZm H$aZo H$o {bE AnZo eha
H$m EH$ {Ì-Am`m_r àmê$n {dH${gV H$a aho h¢ & H$moB© Eogm gm°âQ>do`a gwPmB`o Omo
Bg CÔoí` _| AmnH$s ghm`Vm H$a gHo$ &
(iii) ? ñnîQ> H$s{OE &

(iv) ?

(v) {hñQ>moJ«m_ gm_mÝ`r ?
(vi) gyú_- ?

342 Page 10 of 15

(v) Infrared region lies between :
(a) Visible and Ultraviolet (b) Visible and Microwave
(c) Microwave and Radio (d) Ultraviolet and X-ray
(vi) Doddahalla Watershed is located in the State of :
(a) Karnataka (b) Maharashtra
(c) Bihar (d) Rajasthan

5. Answer any 5 out of the given 6 questions. 5 1=5

Fill the blanks.
(i) ______ GIS creates and maintains an inventory of asset locations
and attribute information.
(ii) ______ based navigation systems were developed and used in
World War II.
(iii) ______ analysis is used for identifying area surrounding geographic
feature.
(iv) ______ is a series of triangles constructed using elevation data
points taken from coverages.
(v) ______ lidar can create high-resolution digital elevation model.
(vi) The ______ areas represent known land cover category that appear
homogeneous on the image.

6. Answer any 5 out of the given 6 questions. 5 1=5
(i) What is ephemeris error ? How does it impact the GPS accuracy ?

(ii) Imagine you are developing a 3D model of your city to visualize the
new metro railway line. Suggest a software which can help you in
this purpose.
(iii) Why does an object appear black in colour ? Explain.
(iv) What are map layers in GIS ?
(v) What is Histogram normalization ?
(vi) What is Micro-Watershed Prioritization ?

342 Page 11 of 15 P.T.O.

IÊS> I $
(ì`{º$naH$ àH$ma Ho$ àíZ) (30 A§H$)

5 3
20 30 3 2=6

7. bú` {ZYm©aU _| g§{já Zm_ SMART Ho$ Cn`moJ H$s ì`m»`m H$s{OE &
8. gH$mamË_H$ ÑpîQ>H$moU aIZo Ho$ H$moB© Xmo VarHo$ g_PmBE &
9. EH$ ñàoS>erQ>
10. g_` ?

11. CÚ_r H$mo ào[aV H$aZo dmbo {H$Ýht Xmo JwUm| H$s ì`m»`m H$s{OE &

5 3 20 30 3 2=6

12. EH$ hmB© nmg {\$ëQ>a bmo nmg {\$ëQ>a go H¡$go {^Þ h¡ ? ñnîQ> H$s{OE &
13. hmBna- ? ì`m»`m H$s{OE &
14. A§S>aeyQ> Am¡a AmodaeyQ> H$mo ghr H$aZo Ho$ VarH$m| H$s ì`m»`m H$s{OE &
15. Or nr Eg VH$ZrH$s
16. d¡pídH$ nVm ? ñnîQ> H$s{OE &

3 2 30 50 2 3=6

17. _¥Xm H$m ? Bg hñVmja _| {^ÞVm n¡Xm H$aZo dmbo H$maH$m| H$m
dU©Z H$s{OE &
18. ~µ\$ ? Or AmB© Eg _| ñWm{ZH$ {díbofU CnH$aU Ho$ ê$n _| BgHo$
_hÎd H$s ì`m»`m H$s{OE &
19. _mZ br{OE {H$ Amn EZ EM E AmB© Ho$ _w»` gd}jH$ h¢ Am¡a AmnH$mo EH$ amO_mJ© {Z_m©U
Ho$ {bE gd}jU H$aZm h¡ & Bg joÌ _| Or nr Eg Ho$ Cn`moJ H$s ì`m»`m H$s{OE &

342 Page 12 of 15

Section B
(Subjective Type Questions) (30 Marks)

Answer any 3 questions out of the given 5 questions on Employability Skills.
Answer each question in 20 30 words. 3 2=6

7. Explain the use of acronym SMART in goal-setting.

8. Explain any two ways to maintain positive attitude.

9. Mention the steps of opening a spreadsheet.

10. What is Time Management ? Mention any two ways to achieve it.

11. Explain any two qualities that motivate an entrepreneur.

Answer any 3 out of the given 5 questions in 20 30 words each. 3 2=6

12. How is a high pass filter different from a low pass filter ? Explain.

13. What is Hyperspectral Remote Sensing ? Explain.

14. Explain the ways of correcting undershoot and overshoot.

15. Mention any two limitations of GPS technology.

16. What is Universal Address System ? Explain.

Answer any 2 out of the given 3 questions in 30 50 words each. 2 3=6

17. What is the spectral signature of soil ? Describe the factors that cause
variation in this signature.
18. What is Buffer Analysis ? Explain its importance as a spatial analysis

tool in GIS.
19. Imagine you are the Head Surveyor with NHAI and you need to conduct
a survey for a highway project. Explain the use of GPS in this field.
342 Page 13 of 15 P.T.O.

5 3 50 80 3 4=12

20. H$ënZm H$s{OE {H$ AmnHo$ {ejH$ Zo AmnH$mo CnJ«h {MÌm| H$s ghm`Vm go {H$gr ñWmZ Ho$
^y{_ Cn`moJ _| n[adV©Z H$mo nVm bJmZo Ho$ {bE EH$ n[a`moOZm gm¢nr h¡ & ~VmE± {H$ Amn
BZ N>{d`m| H$s ì`m»`m H¡$go H$a§oJo &

21. ? EH$ {hñQ>moJ«m_ Ho$ a¡{IH$ Am¡a Aa¡{IH$ VwbZmË_H$ qIMmd H$s
à{H«$`m H$s ì`m»`m H$s{OE &

22. Or AmB© Eg EH$ ì`dpñWV MaU~Õ VarHo$ go H$m`© H$aVm h¡ & {dñVma go ~VmB`o &

23. {díd _| gdm©{YH$ à`wº$ {ZX}em§H$ àUmbr H$m Zm_ ~VmB`o Am¡a BgH$s {deofVmAm| H$s
ì`m»`m H$s{OE &

24. _mZ br{OE H$s Amn {H$gr eha Ho$ {dH$mg àm{YH$aU Ho$ AÜ`j h¢ & AmnHo$ eha _| _§H$s
\¡$bZo Ho$ H$maU H$m\$s naoemZr hmo ahr h¡ & ^y-AmH$mer` àmoÚmo{JH$s H$s ghm`Vm go
Bg g_ñ`m go {ZnQ>Zo Ho$ Cnm` gwPmBE &

342 Page 14 of 15

Answer any 3 out of the given 5 questions in 50 80 words each. 3 4=12

20. Imagine that your teacher has assigned you a project to detect changes in
land use of a place with the help of satellite images. Explain how you are
going to interpret these images.

21. What is a Histogram ? Explain the process of linear and non-linear
contrast stretching of a histogram.

22. s

23. Name the most-popularly accepted coordinate system in the world and
explain its features.

24. Imagine you are the Chairman of the Development Authority of a city.
Your city is facing a lot of problems due to spread of Monkey Pox. Suggest
the ways you are going to deal with this problem with the help of
Geospatial Technology.

342 Page 15 of 15 P.T.O.