Which of the following statement is correct?

1. Global warming is entirely a natural phenomenon.
2. Global warming is simply an another term used for green house effect.
3. Global warming is the rise in average temperature at the earth's surface.
4. Global warming is caused by ozone depletion.

The environment performs four vital functions and the environment is able to perform these functions without any interruption as long as the demand on these functions is within its carrying capacity. 'In the given statement carrying capacity' implies to:

1. The resource extraction is not above the rate of regeneration.
2. Wastes generated are beyond the absorptive capacity of the environment.
3. The resource extraction is not below the rate of regeneration.
4. The resource and the wastes generated are within the assimilating capacity of the environment.

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

Environment includes:

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

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

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.

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.

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.

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.

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 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.