1. PIXEL is used in evaluation of satellite imageries. It refers to

A. Photo ionic radiation

B. Photo induced x-rays emitted light

C. Printed in x-radiation region

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D. An image of 100 km x 100 km region

2. Geostationary satellites orbit above the earth at about

A. 10 km above the earth

B. 500 km above the earth

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C. 1500 km above the earth

D. 5 km above the earth

3. Environmental assessment of developmental projects follows the following sequence to achieve sustainable development.

A. EA -> EMP EIA

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B. EIA -> EA -> EMP

C. EMP -» EA -» EIA

D. EIA -> EMP -> EA

4. Dolomite is

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A. an isomorphic substitution between CaC03 & MgC03

B. a fixed composition of Ca0.52, Mg0.48g CO3,

C. a polygraph of limestone

D. an isomorph of calcite

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5. In order of increasing cation exchange capacity

A. lllite > Kaolinite > Sericite > Gibbsite

B. Kaolinite > Gibbsite > Sericite > lllite

C. Kaolinite > lllite > Montmorillonite

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D. Montmorillonite > Kaolinite > lllite

6. In order of increasing energy content

A. Lignite, Peat, Anthracite, Bituminous coal

B. Peat, Lignite, Anthracite, Bituminous coal

C. Anthracite, Lignite, Bituminous coal, Peat

D. Bituminous coal, Anthracite, Lignite, Peat

7. Agenda 21 is blue-print for environment & development. Agenda 21 was an outcome of the meeting at

A. Rio de Janeiro

B. Stockholm

C. Vienna

D. Washington

8. BOD of the effluents discharged on land for irrigation should not exceed

A. 30 mg/I

B. 100 mg/I

C. 300 mg/I

D. 60 mg/I

9. Atmospheric radioactive window permits thermal radiation of which wavelength to leave the earth?

A. 4.3 to 9.3 nm

B. 9.5 to 10.6 pm

C. 7 to 12 pm

D. 7.3 to 10.3 pm

10. Three constituents that contribute towards stratospheric ozone depletion

A CFC-11, CFC-12, N20

B. CFC-11, CFC-16, N02

C. CFC-11, CFC-12, 02

D. CFC-11, CFC-13, H2

11. In an ecological succession there is a progressive change in biological community over time & space

A Old species are replaced by new one.

B. Old species evolved into new species.

C. New species moves in displacing previous one.

D. Each stage there is a modification in the environment to adopt new species.

12. In nitrogen cycle elemental nitrogen returned to the atmosphere by the following process.

A Nitrogen fixing bacteria

B. Nitrogen fixation by blue green algae.

C. Nitrification process.

D. Denitrification process.

13. Fe & Mg silicates from ideal solid solution in

A. Pyroxene

B. Feldspar

C. Olivine

D. Mica

15. Government of India has enacted various Acts for protection & conservation of environment. However, more inclusive Act is

A. Water (Prevention & Control of Pollution) Act

B. Air (Prevention & Control of Pollution) Act

C. Forest Act

D. Environment (Protection) Act

16. CRZ notification of Government of India specifies the stretches of sea, bays, estuaries etc. as coastal areas requires protection from developmental activities.

A. upto 500 metre from High Tide Level

B. upto 150 metre from High Tide Level

C. upto 500 metre from Low Tide Level

D. upto 100 metre from Low Tide Level

17. An objective of environmental audit is

A. Raw-material & Waste minimization

B. Energy conservation & monitoring.

C. To improve technical competency.

D. All of the above.

18. Biome is a natural community of A Plants in a geographical area.

B. Animals in a geographical area.

C. Plants and animals in a geographical area.

D. Plants in Arctic region.

19. Who proposed that succession is not orderly and directional but is heterogenous?

A Clements

B. Egler

C. Tansley

D. Reiter

20. In an ecosystem a food chain is represented as:

Dead organic matter -> Earthworm -> Sparrow -» Falcon

This is a type of

A. Predator food chain

B. Grazing food chain

C. Detritus food chain

D. Auxiliary food chain

21. The rate of biogenetic nutrients between the abiotic and biotic components of an ecosystem is often referred to as

A. Turnover rate B. Production rate C. Standing state D. Cycling rate

22. Which of the following pair is not correctly matched regarding National Parks and their locations?

A. Nilgiri Tamil Nadu

B. Sunderbans -> West Bengal

C. Nanda Devi -» Uttar Pradesh

D. Kanha -> MP

23. Ecotone is

A. ecosystem

B. a zone of an ecosystem

C. an ecological study

D. a zone between two ecosystems

24. When solid becomes liquid at its melting point, the entropy

A. increases

B. decreases

C. zero

D. remains unaltered

25. The CNS poisoning by methyl mercury is known as

A. Methamoglobinemia

B. Minamata disease

C. Anemic disease

D. All of the above

26. Topographic factors affect indirectly one of the following:

A. Edaphic factors

B. Biotic factors

C. Climatic factors

D. All of the above

27. Atmosphere contains various layers each having characteristic composition. The correct sequence starting from earth surface is

A Stratosphere – Ionosphere -> Troposphere

B. Toposphere -> Ionosphere Stratosphere.

C. Ionosphere -> Stratosphere -» Toposphere.

D. Toposphere -> Stratosphere -» Ionosphere.

28. One of the following in biogeochemical cycle has not involved biological fixation:

A. Oxygen

B. Carbon

C. Nitrogen

D. Phosphorus

29. One of the following ‘P’ values indicates significance of the test:

A. P > 0.05

B. P < 0.05

C. P = 0.05

D. All of the above

30. The calorific value of natural gas varies from

A. 12,000 – 14,000 kCal/m3

B. 13,000 – 18,000 kCal/m3

C. 16,000 – 18,000 kCal/m3

D. 10,000 – 11,000 kCal/m3

31. Biogas is composed of

A. Ethane, C02, H, & N2

B. Methane, CO,, H2 & N,

C. Methane, CO, & N2

D. Ethane, Methane & CO,

32. Which of the following is the concentration of CO, in the atmosphere (water vapour free)?

A. 6.32 %

B. 0.032 %

C. 0.38 %

D. 0.038 %

33. Mechanization is carried out by the process of

A. Incineration

B. Alcoholic fermentation

C. Thermo-chemical transformation

D. Anaerobic fermentation

34. Diesel oil is a fraction obtained between

A. 40-120°C

B. 180-250°C

C. 250-320°C

D. 280-360°C

35. In a trickling filter biological method of domestic waste treatment a layer of biological community growing on the substrate is

A. Algal film

B. Bacterial layer

C. Protozon community

D. Zoogloea film

36. Primary clarifier basically designed to remove which of the following from waste water?

A. Particulate matter

B. Heavy materials & large size materials

C. Particulate matter & oily substances

D. Dissolved substances

38. In a river with symmetric channel

A. Maximum velocity is at the bottom

B. Minimum velocity is at the surface

C. Maximum velocity is at the borders

D. Maximum velocity is at 0.7 of the depth

39. Reciprocal of arithmetic mean of the reciprocal of individual observation refers to

A. weighted mean

B. geometric mean

C. median mean

D. harmonic mean

40. If the size of the sample is very small, then suitable sampling method for better result is obtained by

A. Random sampling

B. Stratified sampling

C. Census sampling

D. Purposive sampling

41. in an unbalanced or skewed distribution, which measures of central tendency, is leased biased?

A. Mean

B. Median

C. Mode

D. Range

48. One of the following categories of CRZ, the” is no developmental activities are allowed: A CRZ-II

B. CRZ-I

C. CRZ-III

D. CRZ-IV

49. Rapid EIA is called

A .a study of three months

B. a study of four months

C. a study of six months

D. a study of one year

50. Development of ‘Green Belts’ around industries is

A. to control ground leachates

B. to mitigate the gaseous pollutant

C. to increase bioaesthetic

D. all of the above

Answers

1

2

3

4

5

6

7

8

9

10

B

C

B

A

C

B

A

A

B

A

11

12

13

15

16

17

18

19

20

C

A

A

D

A

D

C

B

A

21

22

23

24

25

26

27

28

29

30

D

C

D

A

D

A

D

B

C

A

31

32

33

34

35

36

38

39

40

D

B

D

C

A

B

B

D

D

41

48

49

50

B

B

A

D