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.

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 extraction is above the rate of regeneration of the resource and the wastage are outside the absorptive capacity of the environment then environment fails to perform its one of the vital function. What is that function?

1. It supplies resources.
2. It assimilates waste.
3. It sustains life.
4. It provides aesthetic services.

What is environment?

1. It is sum total of surroundings.
2. It includes biotic and abiotic factors that influence each other.
3. It refers to socio-cultural and economic set up.
4. It is sum total of physical and psychological surroundings.

Which are the catch phases in the following UNCED definition of Sustainable Development:
 "Development that meets the need of the present generation without compromising the ability of the future generation to meet their own needs".

1. Need.
2. Future generation.
3. Need and present generation.
4. Need and future generation.

Use of non-conventional sources of energy is strategy for sustainable development. Out of the following what are the non-conventional sources of energy?

1. Crude oil.
2. Solar.
3. Wind.
4. Wood.
5. Coal.
6. Nuclear.

1. 1, 2, 3, 4, 5 and 7
2. 2, 3, 4, 5, 6, 7
3. 1, 2, 3, 4, 5
4. 2, 3 and 6

World's total iron-ore reserves accounted by India are nearly:

1. 10%
2. 20%
3. 30%
4. 40%

In 1997, a UN conference on climate change was held in:

1. Japan.
2. India.
3. Germany.
4. China.

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.

CPCB stands for:

1. Controller of Pollution Correction Board.
2. Central Pollution Control Board.
3. Control, Prevention and Correction Board.
4. Control Pollution Central Board.