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.

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 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.

When was CPCB set up?

1. 1972
2. 1974
3. 1978
4. 1976

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

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

When did the Earth Summit had a framework convention?

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

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

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

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

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

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.

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.