What is environment?

1. It is sum total of surroundings.
2. It includes biotic and abiotic factors that influence each other.
3. It refers to socio-cultural and economic set up.
4. It is sum total of physical and psychological surroundings.

______ 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

Which of the following would be more effective for reducing the enhanced greenhouse effect?

1. Living in tropics.
2. Buying organic apples.
3. Drinking bottled water.
4. Driving a car with CNG as a fuel.

Name a pesticide which is environment friendly.

1. Chemical Pesticides.
2. Neem Based Pesticides.
3. Urea.
4. None of the above.

_______ is the cost of next best alternative sacrificed in order to take benefit of one given opportunity.

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

India heavily depends on ______ and ______ power plants.

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

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.