Environmental Issues

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. Increased liver cancer
2. Increased skin cancer
3. Damage to eyes
4. Reduced Immune System

High value of BOD (Biochemical Oxygen Demand) indicates that :

1. water is highly polluted
2. consumption of organic matter in the water is higher by the microbes
3. water is pure
4. water is less polluted

Rachel Carson's famous book "Silent Spring" is related to:

1. Population explosion
2. Pesticide pollution
3. Ecosystem management
4. Noise pollution

The zone of atmosphere in which the ozone layer is present is called :

1. Mesosphere
2. Stratosphere
3. Ionosphere
4. Troposphere

A scrubber in the exhaust of a chemical industrial plant removes :

1. particulate matter of the size 5 micrometer or above
2. particulate matter of the size 2.5 micrometer or less
3. gases like ozone and methane
4. gases like sulphur dioxide

Kyoto-Protocol was endorsed at :

1. CoP-6
2. CoP-4
3. CoP-3
4. CoP-5

Global warming can be controlled by :

1. Increasing deforestation, slowing down the growth of human population
2. Reducing deforestation, cutting down use of fossil fuel
3. Increasing deforestation, reducing efficiency of energy usage
4. Reducing reforestation, increasing the use of fossil fuel

The Air (Prevention and Control of Pollution) Act came into force in :

1. 1985
2. 1981
3. 1990
4. 1975

The second commitment period for Kyoto Protocol was decided at :

1. Doha
2. Cancun
3. Durban
4. Bali

Climate of the world is threatened by :

1. Decreasing amount of atmospheric carbon dioxide
2. Increasing concentration of atmospheric oxygen
3. Decreasing amount of atmospheric oxygen
4. Increasing amount of atmospheric carbon dioxide