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1. Environmental studies aims at developing

A

Understanding local environment/environmental issues

B

Understanding global environment/environmental issues

C

To develop positive attitude towards environment

D

All of the above

2. The term Biomagnification refers to

A

Increase in the concentration of non degradable pollutant as they pass through food chain

B

Group of individuals of the same species within a community

C

Number of births during a given time period

D

Interspecific interaction between members in which one population adversely affects the other

3. Which of the following options is NOT an example of Abiotic component of an ecosystem?

A

Air

B

Soil

C

Sunlight

D

Fungi

4. Ozone is a gas made up of

A

four oxygen atoms

B

two oxygen atoms

C

three oxygen atoms

D

five oxygen atoms

5. Which of the following is NOT a cause for the lose of biodiversity in general?

A

Co-extinction

B

Alien species invasions

C

Over exploitation

D

Reforestation

6. The indigenous catfishes in Indian rivers facing a threat of extinction because of which reason among the following options?

A

Co-extinction

B

Alien species invasions

C

Habitat loss

D

Over exploitation

7. A forest of trees and undergrowth plants inhabitated by animals and rooted in soil containing bacteria and fungi is an example of

A

Hybrids

B

Biomass

C

Endangered species

D

Biological community

8. The Montreal Protocol is an international treaty designed to fulfill which of the following objectives?

A

Narcotics Control

B

Hazardous Waste Disposal

C

Ozone Layer Protection

D

Wild Life Protection

9. What type of food chain exhibits the following way of transfer of energy in an ecology?
Dead organism --> Fungi --> Bacteria

A

Producer food chain

B

Parasitic food chain

C

Saprophytic food chain

D

Predator food chain

10. Which of the following types of rainfall occurs when the saturated air mass encounters a mountain and the air is forced to rise?

A

Frontal rainfall

B

Conventional rainfall

C

Cyclonic rainfall

D

Orographic rainfall

11. Destruction of Biodiversity is due to which of the following?

A

Deforestation

B

Pollution

C

Reducing natural habitat

D

All of these

12. Which of the following is the primary Ozone depleting chemical?

A

Methane

B

Chorofluorocarbon

C

Carbon dioxide

D

Carbon monoixe

13. Bad ozone or ground level ozone is which of the following?

A

Stratospheric

B

Tropospheric

C

Naturally formed

D

None of these

14. Which of the following is true for Chlorofluorocarbon
1. It is used as refrigerant
2. It is not responsible for greenhouse effect.

A

Only 1

B

Only 2

C

1 and 2

D

None of the above

15. In ecology, the term "niche" describes

A

Size of community

B

Impact of community on climate

C

Role an organism plays in community

D

None of these

16. Environment Protection Act of India was enacted in which of the following year?

A

1980

B

1986

C

1990

D

1992

17. Which among the following is the largest system, both climatically and goegraphically?

A

Biome

B

Community

C

Ecosystem

D

Population

18. Which of the following is true for Global warming
1. Short-term phenomenon
2. Lowers planet`s overall temperature
3. Release of greenhouse gases into atmosphere

A

1 and 2

B

2 and 3

C

1 and 3

D

only 3

19. Which of the following are true for Microplastics

1. Less than 5 mm in length

2. Secondary microplastics caused by exposure to sun`s radiation and ocean waves

A

only 1

B

only 2

C

1 and 2

D

None of these

20. What preffered temperature does Paris Agreement aims at limiting the rise of global temperature, compared to pre-industrial levels?

A

1.5 degrees

B

2 degrees

C

2.5 degrees

D

3 degrees