Odisha CPET 2022 Question Paper Environmental Science

ODISHA
CPET

QUESTION PAPER
2022
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COMMON P.G. ENTRANCE TEST–2022 (CPET-2022)

Subject Code : 41 Test Booklet No.:

Entrance Subject : Environmental Science Hall Ticket No.:

TEST BOOKLET

Time Allowed : 90 Minutes Full Marks : 70

INSTRUCTIONS TO CANDIDATES
1. Please do not open this Question Booklet until asked to do so.
2. Check the completeness of the Question Booklet immediately after opening.
3. Enter your Hall Ticket No. on the Test Booklet in the box provided alongside. Do not write
anything else on the Test Booklet.

up Test Booklet Serial No. & OMR Answer Sheet Serial No. in the Attendance Sheet carefully.

5. Each question has four answer options marked (A), (B), (C) & (D).
6. Answers are to be marked on the Answer Sheet, which is provided separately.
7. Choose the most appropriate answer option and darken the oval completely, corresponding to
(A), (B), (C) or (D) against the relevant question number.
8. Use only Blue/Black Ball Point Pen to darken the oval for answering.
9. Please do not darken more than one oval against any question, as scanner will read such markings
as wrong answer.
10. Each question carries equal marks. There will be no negative marking for wrong answer.
11. Electronic items such as calculator, mobile, etc., are not permitted inside the
examination hall.
12. Don’t leave the examination hall until the test is over and permitted by the invigilator.
13. The candidate is required to handover the original OMR sheet to the invigilator and
take the question booklet along with the candidate’s copy of OMR sheet after completion
of the test.
14. Sheet for rough work is appended in the Test Booklet at the end.

W-Environmental Science-41 P.T.O.

1. The innermost layer of the earth is made up of

(A) Silicon and Iron

(B) Silicon and Magnesium

(C) Silicon and Nickel

(D) Nickel and Iron

(A) Remains unchanged

(B) Increases

(C) Decreases

(D) Makes the water turbid

3. Eutrophication in wetlands such as lakes is caused by

(A) Enrichment of water by chlorides

(B) Enrichment of water by phosphates

(C) Siltation due to catchment

(D) Addition of detritus

4. Blue baby syndrome is caused by

(A) Copper

(B) Nitrate

(C) Fluoride

(D) Mercury

5. Which among the following surfaces has maximum albedo?

(A) Leafy crops

(B) Dry sand

(C) Sea water

(D) Dark asphalt

W-Environmental Science-41 2

6. Which of the following is a major photochemical oxidant?

(A) PAN

(B) Ozone

(C) Aldehydes

(D) Hydrocarbons

7. A niche of the species where there is no competition from other species is called

(A) Fundamental Niche

(C) Realized Niche

chain is called

(B) Hyperaccumulation

(C) Bioaccumulation

(A) Botanical garden

(B) Zoological park

(C) Wildlife sanctuaries

(D) Gene banks

W-Environmental Science-41 3 P.T.O.

11. Which of the following is not a soil micronutrient?

(A) Sulphur

(B) Boron

(C) Iron

(D) Zinc

12. What is the hardest mineral on the Mohs scale?

(A) Talc

(B) Feldspar

(C) Calcite

(D) Diamond

(A) 30 years

(B) 15 years

(C) 5 years

(D) 8 years

(A) Enthalpy

(B) Gibb’s free energy

(C) Entropy

(D) Helmholtz free energy

15. What is OH– ion concentration of HCl whose pH is 3?

(A) –3

(B) 3

(C) 10–3

(D) 10–11

W-Environmental Science-41 4

16. T

(A) Wetlands

(B) Wildlife

(C) Forests

(A) March 22

(B) May 22

(C) July 22

(A) 0 to 120 dB

(B) 120 to 240 dB

(C) 0 to 12 dB

(D) 0 to 240 dB

19. Temperate region is

(A) 60° - 80° latitude

(B) 40° - 60° latitude

(C) 0° - 20° latitude

(D) 20° - 40° latitude

(A) Andhra Pradesh

(B) Karnataka

(C) Uttar Pradesh

(D) Madhya Pradesh

W-Environmental Science-41 5 P.T.O.

21. Population growth rate depends on

(A) Birth rate

(B) Death rate

(C) Migration

heart” is from

(A) Rig Veda

(C) Sama Veda

(D) Yajur Veda

24. What is the scale applied in statistics, which imparts a difference of magnitude and
proportions?

(A) Exponential scale

(B) Goodness scale

(C) Ratio scale

(D) Satisfactory scale

is

(A) 24.79

(B) 23.79

(C) 25.79

(D) 26.79

W-Environmental Science-41 6

26.

(A) 11

(B) 13

(C) 17

(D) 23

27. Calculate the geometric Mean of 1,3,9,3

(A) 1

(B) 2

(C) 3

(D) 4

28. Variance of a constant ‘x’ is

(A) 0

(B) x/2

(C) x

(D) 1

29. Find the Variance of the constant ‘K’

(A) 1

(B) 0

(C) K2

(D) K/2

arises, grows, matures and dies?

(A) F.E. Clements

(B) H. Gleason

(C) J.T. Curtis

(D) R.F. Daubenmire

W-Environmental Science-41 7 P.T.O.

31. In both terrestrial and aquatic ecosystems energy pyramid is

(C) Always upright

(D) Sometime upright

32. The Earth’s atmospheric CO2 concentration is estimated to be about

33. MAB program stands for

(A) Man and Biotechnology program

(B) Man and Biology program

(D) Man and Biosphere program

34. Which among the following constitutes the largest ecosystem in the world?

(A) Forests

(C) Oceans

(D) Deserts

35. Renewable source of energy is

(A) Petroleum

(B) Coal

(C) Natural gas

(D) Solar energy

36. CPCB stands for

(A) Central Pollution Control Board

(B) Central Power Control Board

(C) Corporate Pollution Control Board

(D) Corporate Power Control Board
W-Environmental Science-41 8

37. Which one of the following is a primary producer?

(A) Birds

(B) Tiger

(C) Gaur

(D) Plants

38. Landslide prone state of India is

(A) Uttar Pradesh

(B) Uttarakhand

(C) Rajasthan

(D) Odisha

(A) Coastal areas

(B) Ponds and Lakes

(C) Dry Forest and Arid areas

(D) Flood plains

40. Which one of the following is an endangered migratory bird?

(A) Peacock

(B) Eagle

(C) Crow

(D) Siberian Crane

41. Which one of the following elements exhibits both +3 and +4 oxidation states?

(A) La

(B) Ce

(C) Nd

(D) Lu

(A) Wide liquid range

(B) High dielectric constant

(C) Nature of autoionization

(D) Donor and acceptor properties

W-Environmental Science-41 9 P.T.O.

43. Predict the number of unpaired electron in [Co(NH3)6]Cl3

(A) 1

(B) 2

(C) 3

(D) 0

44. Van der Waals radii are

45. Ionization energy of nitrogen is greater than oxygen because of the

(B) Smaller atomic number of nitrogen

46. Optical isomerism is shown by

(A) 1-butanol

(B) 2-butanol

(C) 3-pentanol

(D) 4-heptanol

is

(A) Critical temperature

(B) Boyle’s temperature

(D) Reduced temperature

48. The maximum external work that can be obtained from a system is represented by

W-Environmental Science-41 10

49. I
interaction is termed as

(A) Commensalism

(B) Competition

(C) Amensalism

(D) Epiphytism

50. In ecological succession from pioneer to climax community, the biomass shall

(A) Decrease

(B) Increase and then decrease

(C) No relation

(D) Increase Continuously

51. Which state of India has maximum area of saline soils?

(A) Uttar Pradesh

(B) Rajasthan

(C) West Bengal

(D) Haryana

(B) Sanctuaries

(D) Botanical gardens

(A) Between 3.5 and 6.5

(B) Below 6.5

(C) Below 5.6

(D) Below 7.0

W-Environmental Science-41 11 P.T.O.

54. In Down’s syndrome of a male child, the sex chromosomes complement will be

(A) XXX

(B) XY

(C) XX

(D) XO

55. Polarisation of light indicates that light is

(A) Remains unchanged

(B) Increases

(C) Decreases

(D) First increases and then decreases

57. A high entropy system should be in great

(A) Order

(B) Disorder

(C) Amount

(D) Quality

58. The Moho discontinuity is located in between

(A) Mantle and Core

(B) Crust and Mantle

(C) Lithosphere and Asthenosphere

(D) Lower Mantle and Upper Mantle

W-Environmental Science-41 12

59. The study of trace fossils is known as

(A) Paleoecology

(B) Synecology

(C) Ichnology

(D) Ichthyology

60. Which of the following is a metamorphic rock?

(A) Marble

(B) Granite

(C) Basalt

(D) Conglomerate

61. Which of the following is a Hot Spot in India?

(A) Western Ghat

(B) Sunderbans

(C) Chilka Lagoon

(D) Eastern Ghat

62. The food chain in which microorganisms breakdown dead producers is called

(A) Consumer food chain

(B) Predator food chain

(C) Parasitic food chain

(D) Detritus food chain

63. The chemical responsible for Bhopal Gas Tragedy was

(A) Methyl isocyanide

(C) Diborane

(D) Phosgene

W-Environmental Science-41 13 P.T.O.

64. Which among the following has the highest content of Carbon?

(A) Peat

(B) Lignite

(C) Bituminous

(D) Anthracite

65. The electrolysis of aqueous NaCl produces

(A) H2 at Cathode

(B) H2 at Anode

(C) Na at Cathode

(D) Cl2 at Anode

66. Fuel Cell

67. The rate of reaction between A and B increases by a factor of 100, when the concentration of
A increases 10 folds. The order of reaction with respect to A is

(A) 10

(B) 2

(C) 1

(D) 20

(A) African plate

(B) North American plate

(C) Eurasian plate

(D) Indo-Australian plate

W-Environmental Science-41 14

69. Which mineral is most susceptible to weathering?

(B) Albite

(C) Orthoclase

(D) Quartz

70. The transition zone between two communities is known as

(A) Ecotype

(B) Ecophene

(C) Ecotone

(D) Keystone

*****

W-Environmental Science-41 15 P.T.O.

ROUGH WORK

W-Environmental Science-41 16