31

Consider the following statements.

1. The boundaries of a National Park are defined by legislation.

2. A Biosphere Reserve is declared to con- serve a few specific species of flora and fauna.

3. In a Wildlife Sanctuary, limited biotic interference is permitted.

Which of the above statement is/are correct?

A

1 only

B

2 and 3 only

C

1 and 3 only

D

1, 2 and 3

E

Answer

C

Instruction

32

A pesticide which is chlorinated hydrocarbon is sprayed on a food crop. The food chain is: Food crop-Rat-Snake-Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following?

A

Food crop

B

Rat

C

Snake

D

Hawk

E

Answer

D

Instruction

33

With reference to soil conservation, consider the following practices.

1. Crop rotation

2. Sand fences

3. Terracing

4. Wind breaks

Which of the above are considered appropriate methods for soil conservation in India?

A

1, 2 and 3 only

B

2 and 4 only

C

1, 3 and 4 only

D

1, 2, 3 and 4

E

Answer

C

Instruction

34

An objective of the National Food Security Mission is to increase the production of certain crops through area expansion and productivity enhancement in a sustainable manner in the identified district of the country. What are those crops?

A

Rice and Wheat only

B

Rice, Wheat and Pulses only

C

Rice, Wheat, Pulses and oil seeds only

D

Rice, Wheat, pulses, oil seeds and vegetables

E

Answer

B

Instruction

35

The United Nations Framework Convention on Climate Change (UNFCCC) is an international treaty drawn at

A

United Nations Conference on the Human Environment, Stockholm, 1972

B

UN Conference on Environment and Development, Rio de Janerio, 1992

C

World Summit on Sustainable Development, Johannesburg, 2002

D

UN Climate Change Conference, Cophenhagen, 2009

E

Answer

B

Instruction

36

Which bacterial strain, developed from natural isolates by genetic manipulation, can be used for treating oil spills?

A

Agrobacterium

B

Clostridium

C

Nitrosomonas

D

Pseudomonas

E

Answer

D

Instruction

37

India is party to the Ramsar Convention and has declared many areas as Ramsar Ste Which of the following statements be describes as to how we should maintain these sites in the context of this convention?

A

Keep all the sites completely inaccessible to man so that they will not be exploited

B

Conserve all the sites through ecosystems approaches and permit tourism and recreation only

C

Conserve all the sites through ecosystem approach for a period without any exploitation, with specific criteria and specific period for each site, and these allow sustainable use of them for future generations

D

Conserve all the sites through ecosystem approach and allow their simultaneous sustainable use

E

Answer

D

Instruction

38

Due to their extensive rice cultivation some regions may be contributing to global warming. To what possible reason/reasons is this attributable?

1. The anaerobic conditions associated with rice cultivation cause the emission of methane.

2. When nitrogen-based fertilizers are used, nitrous oxide is emitted from the cultivated soil.

Which of the statements given above is art correct?

A

1 only

B

2 only

C

Both 1 and 2

D

Neither 1 nor 2

E

Answer

C

Instruction

39

Sustainable development is described as the development that meets the needs of the present, without compromising the ability of future generations, to meet their own needs. In this perspective, inherently the concept of sustainable development is intertwined with which of the following concepts?

A

Social justice and empowerment

B

Inclusive growth

C

Globalisation

D

Carrying capacity

E

Answer

D

Instruction

40

Consider the following pairs:

Which of the pair given above is/are correctly matched?

A

1 only

B

1 and 2 only

C

2 only

D

1, 2 and 3

E

Answer

B

Instruction