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.

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.

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

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

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.

Name animals that help in bio-composting.

1. Cattles.
2. Earthworms.
3. Camel.
4. Both a and b.

Environment includes:

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

When did the Earth Summit had a framework convention?

1. 1992
2. 1994
3. 1996
4. 1998

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.

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.

_______ refers to the maximum limit within which waste can be assimilated by the environment without degradation.

1. Absorptive capacity.
2. Carrying capacity.
3. Assimilation capacity.
4. Opportunity cost.