CISF Exams Practice questions for Ecology and Environment Part 4

Download PDF of This Page (Size: 115K)

18. Consider the following pairs:

Interspecific interactions Example

1. Commensalism : Interaction between fig tree and

2. Amensalism: Interaction between cattle egret and grazing cattle

3. Mutualism : Interaction between lion

4. Parasitism : Interaction of lice and human

Which of the above pairs is/ars correctly matched?

(a) 1, 2 and 3 only

(b) 1, 2 and 4 only

(c) 2 and 4 only

(d) 4 only

Answer: B

19. Consider the following statements regarding Clean Environment Cass:

1. It is type of carbon tax levied on Coal, Lignite and peat.

2. The fund raised through it is used for the National Clean Energy Fund.

Which of the statements given above is/are correct?

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2

Answer: C

20. Compensatory afforestation requirements in India is in the ratio of 1:1. What does it mean?

(a) Compensatory afforestation shall be done over equivalent area of degraded forest land.

(b) Commendatory afforestation shall be done over equivalent area of non-forest land.

(c)For every one tree that is cut, another one shall be planted albeit in a different area.

(d) Clearing of naturally grown trees in forest land and using it for reforestation.

Answer: B

21. Consider the following pairs:

Diseases Pollutants

1. Mina Mata : Mercury

Disease

2. Itai-Itai Disease : Nitrate

3. Blue Baby : Cadmium

Syndrome

4. Black Foot : Arsenic

Disease

Which of the pairs given above are correctly matched?

(A) 1 and 2 only

(b) 2 and 3only

(c) 1 and 4 only

(d) 1, 2, 3 and 4

Answer: C

22. Which of the following assist in carbon sequestration?

1. Wetland restoration

2. Urban Forestry

3. Phytoplankton growth

Select the correct answer using the code given below.

1. Wetland restoration

2. Urban forestry

3. Phytoplankton growth

Select the correct answer using the code given below.

(a) 1 only

(b) 1 and 2 only

(c) 2 and 3 only

(d) 1, 2 and 3

Answer: D

23. The Government has released a new categorization of industries based on their pollution load. With reference to White Industries, consider the following statements:

1. They are practically non-polluting industries.

2. They do not require Environmental Clearance (EC) and Consent.

3. Wind power and mini hydel power are classified as White Industries.

Which of the statements given above is/are correct?

(a) 1 and 2 only

(b) 1 and 3 only

(c) 2 and 3 only

(d) 1, 2 and 3

Answer: D