Two major environmental issues facing the world today are ______ and _______.

1. global warming and air pollution.
2. global warming and ozone depletion.
3. air pollution and noise pollution.
4. ozone depletion and pollution.

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.

India heavily depends on ______ and ______ power plants.

1. Solar, gobar gas.
2. Thermal, hydro.
3. CNG, solar.
4. None of the above.

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.

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

1. CNG
2. LPG
3. Gobar gas.
4. None of the above.

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

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

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.

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

In areas where speed of wind is usually high, wind mills can provide electricity without any adverse impact on the environment but it's not yet been explored on a large scale. What is the correct reason out of the following?

1. Lack of technological devices.
2. High cost.
3. Non-availability of land.

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

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.