Which of the following animals help in controlling pests?

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

Out of the following, which is not the function of environment?

1. It supplies resources.
2. It assimilates waste.
3. It sustains life by providing non-genetic and non-biodiversity.
4. It provides aesthetic services like scenery.

In Delhi, the use of ______ as fuel in public transport system has significantly lowered air pollution.

1. CNG
2. Petrol
3. LPG
4. None of these.

Banning the use of chlorofluorocarbon compounds and other chlorine and bromine compounds is called:

1. Chipko Movement.
2. Apiko Movement.
3. Montreal Protocol.
4. None of the above.

Environment includes:

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

______ is a clean fuel. It reduces household pollution to a large extent.

1. CNG
2. LPG
3. Gobar gas.
4. None of the above.

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.

The ________ of the environment implies that the resource extraction rate is not above the rate of resources regeneration.

1. absorptive capacity.
2. carrying capacity.
3. assimilation capacity.
4. opportunity cost.

India accounts for _______% of world's total iron ore reserves.

1. 14
2. 18
3. 20
4. 21

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.