Name animals that help in bio-composting.

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

Out of the following, what are the correct reasons of high opportunity cost of negative environmental impact?

1. Spending huge amounts on technology and research to explore alternative resource.
2. Health costs of degraded environmental quality.
3. Global warming.
4. Ozone depletion.
5. Industrial revolution.

1. 1, 2, 3 and 4
2. Both 1 and 2
3. 3, 4 and 5
4. All 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.

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.

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.

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.

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.

_______ 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.

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.

Environment includes:

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