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

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

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.

The numbers of motor vehicles have increased from _____ in 1951 to ______ in 2003.

1. 3 lakh, 67 crores.
2. 67 lakh, 3 crores.
3. 30 lakhs, 67 crores.
4. 67 lakhs,, 30 crores.

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

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

_______ 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.

Which of the following animals help in controlling pests?

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

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.

Name animals that help in bio-composting.

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

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 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.