Which of the following animals help in controlling pests?

1. Snakes.
2. Owls.
3. Peacocks.
4. All of the above.

Name a pesticide which is environment friendly.

1. Chemical Pesticides.
2. Neem Based Pesticides.
3. Urea.
4. None of the above.

In areas where speed of wind is usually high, wind mills can provide electricity without any adverse impact on the environment but it's not yet been explored on a large scale. What is the correct reason out of the following?

1. Lack of technological devices.
2. High cost.
3. Non-availability of land.

1. Only 2
2. Both 1 and 2
3. Both 2 and 3
4. All of these.

Absorptive capacity is defined as:

1. Ability of the environment to absorb degradation.
2. Resource generation within the assimilating capacity of the environment.
3. Average number of organisms living in a given environment.
4. The minimum population surviving in the world as a whole.

When was a UN Conference on climate change held in Kyoto in Japan?

1. 1993
2. 1996
3. 1997
4. 1998

Which of the following is a major cause of environmental degradation?

1. Urbanisation.
2. Rapid increase in population.
3. Use of HYV seeds.
4. All of the above.

Which of the following is a major cause of supply-demand reversal?

1. Urbanisation.
2. Rapid increase in population.
3. Use of HYV seeds.
4. All of the above.

_______ is an international treaty designed to protect the ozone layer by phasing out the production of a number of substances believed to be responsible for ozone depletion.

1. Brundtland Commission.
2. Our Common future.
3. The Montreal Protocol.
4. Commission for Ozone Depletion.

Environment has many resources for us. A resource that can be totally replaced or is always available naturally, or that is practically inexhaustible is known as:

1. Conventional resource.
2. Renewable resource.
3. Non-renewable resource.
4. Non-conventional resource.

Environment includes:

1. Biotic factors.
2. Abiotic factors.
3. Both (a) and (b).
4. None of the above.