Brundtland Commission in 1987 defined sustainable development as:

1. A type of development which put the interests of developing countries ahead of the interests of the rich nations.
2. Development which meets the needs of present generation without compromising the ability of future generation to meet their own needs.
3. Development that protects the future generation even at the expense of present generation.
4. None of the above.

Out of the following, what are the correct reasons of high opportunity cost of negative environmental impact?

1. Spending huge amounts on technology and research to explore alternative resource.
2. Health costs of degraded environmental quality.
3. Global warming.
4. Ozone depletion.
5. Industrial revolution.

1. 1, 2, 3 and 4
2. Both 1 and 2
3. 3, 4 and 5
4. All of these.

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

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

Which of the following movement is associated with preventing cutting of trees?

1. Chipko Movement.
2. Appiko Movement.
3. Both of the above.
4. None of the above.

Which of the following animals help in controlling pests?

1. Snakes.
2. Owls.
3. Peacocks.
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.

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

1. CNG
2. LPG
3. Gobar gas.
4. None 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.

When was CPCB set up?

1. 1972
2. 1974
3. 1978
4. 1976

What are the consequences of environmental crisis?

1. Polluted and dried up rivers and other aquifers.
2. Extinction of vital resources.
3. Decline in air and water quality.
4. All of the above.