Which one of the following expanded forms of the following acronyms is correct
1. IPCC= International Panel for Climate Change
2. UNEP = United Nations Environmental Policy
3. EPA = Environmental Pollution Agency
4. IUCN = International Union for Conservation of Nature and Natural Resources

Which one of following pairs of gases are the major cause of "Greenhouse effect"
1. ${\mathrm{CO}}_2$ and ${\mathrm{O}}_3$
2. ${\mathrm{CO}}_2$ and CO
3. CFCs and ${\mathrm{SO}}_2$
4. ${\mathrm{CO}}_2$ and ${\mathrm{N}}_2\mathrm{O}$

Which one of the following is a wrong statement?
1. Most of the forests have been lost in tropical areas.
2. Ozone in upper part of atmosphere is harmful to animals.
3. Greenhouse effect is a natural phenomenon.
4. Eutrophication is a natural phenomenon in freshwater bodies.

Measuring Biochemical Oxygen Demand (BOD) is a method used for:
1. estimating the amount of organic matter in sewage water.
2. working out the efficiency of oil driven automobile engines.
3. measuring the activity of Saccharomyces cerevisae in producing curd on a commercial scale.
4. working out the efficiency of RBCs about their capacity to carry oxygen.

The Air Prevention and Control of Pollution Act came into force in:
1. 1981
2. 1985
3. 1990
4. 1975

Kyoto Protocol was endorsed at :
1. CoP– 5
2. CoP - 6
3. CoP - 4
4. CoP– 3

Global warming can be controlled by:

Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?
1. Reduced Immune System
2. Damage to eyes
3. Increased liver cancer
4. Increased skin cancer

Rachel Carson's famous book "Silent Spring" is related to :
1. Noise pollution
2. Population explosion
3. Ecosystem management
4. Pesticide pollution

Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers:
1. Methane
2. Nitrous oxide
3. Ozone
4. Ammonia