UPSC NCERT ENVIRONMENT NOTES: TOPIC WISE SOLVED MCQ’s

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1. Consider the following statements:

1. Genetically altered micro-organisms are used to produce insulin and interferon.

2. Micro-organisms are used in the treatment of sewage sludge.

Which of the statements given above is/are correct?

a) Only 1

b) Only 2

c) Both 1 and 2

d) Neither 1 nor 2

Ans: C

2. Which of the following can be made by using Micro-organisms?

1. Alcohols

2. Organic acids

3. Carbohydrates

4. Vitamins

a) Only 1 and 2

b) Only 2 and 3

c) Only 3 and 4

d) 1, 2, 3 and 4

Ans: D

3. Which of the following are the examples of Ex-situ conservation of biodiversity?

1. National Parks

2. Botanical Gardens

3. Zoos    

4. Hatcheries

5. Wildlife Sanctuaries

a) Only 1, 2 and 3

b) Only 2, 3 and 4

c) Only 1, 2, 4 and 5

d) 1, 2, 3, 4 and 5

Ans: B

4. Which of the following are In-situ methods of conservation of biodiversity?

1. Tiger reserves

2. National parks

3. Wildlife sanctuaries      

4. Genetic resource centres    

5. Zoos

a) Only 1, 2 and 3

b) Only 1, 2, 4 and 5

c) Only 3, 4 and 5

d) 1, 2, 3, 4 and 5

Ans: A

5. Which of the following are qualitative pollutants?

1. Pesticides

2. Herbicides

3. Carbon dioxide

4. Nitrogen oxide

a) Only 1 and 2

b) Only 2 and 3

c) Only 3 and 4

d) None

Ans: A

6. Consider the following statements:

1. The Biosphere Reserves are recognized within the framework of UNESCO’s Man and Biosphere Programme.

2. Seven of India’s Biosphere Reserves have been included in the World Network of biosphere reserves of UNESCO.

Which of the statements given above is/are correct?

a) Only 1

b) Only 2

c) Both 1 and 2

d) Neither 1 nor 2

Ans: C

7. Consider the following statements:

1. Alcohols are used as liquid fuel called gasohol.

2. Ethanol is used as a solvent.

Which of the statements given above is/are correct?

a) Only 1

b) Only 2

c) Both 1 and 2

d) Neither 1 nor 2

Ans: C