Increase in concentration of the toxicant at successive trophic levels is known as

1. Biomagnifications

2. Biodeterioration

3. Biotransformation

4. Biogeochemical cycling

Subtopic:  Water Pollution: I | Water Pollution |
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Acid rain is caused by increases in the atmospheric concentration of

1. SO2 and NO2

2. SO3 and CO

3. CO2 and CO

4. O3 and dust

Subtopic:  Air Pollution |
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Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of

1. Food

2. Light

3. Essential minerals

4. Oxygen

Subtopic:  Water Pollution: I | Water Pollution |
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Rachel Carson's famous book 'Silent Spring' is related to
1. pesticide pollution
2. noise pollution
3. population explosion
4. ecosystem management

 

Subtopic:  Agrochemical & Radioactive Waste |
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Which of the following is not one of prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric zone?
1. Increased skin cancer
2. Reduced immune system
3. Damage to eyes
4. Increased liver cancer

Subtopic:  Ozone Layer Depletion |
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The zone of atmosphere in which the ozone layer is present is called

1. Ionosphere

2. Mesosphere

3. Stratosphere

4. Troposphere

Subtopic:  Ozone Layer Depletion |
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A scrubber in the exhaust of a chemical industrial plant removes:

1. Gases like sulphue dioxide

2. Particulate matter of the size 5 micrometer or above

3. Gases like ozone and methane

4. Particulate matter of the size 2.5 micrometer or less

Subtopic:  Air Pollution |
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The Air Prevention and Control of Pollution Act came into force in:
1. 1981
2. 1985
3. 1990
4. 1975
Subtopic:  Air Pollution |
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Kyoto-Protocol was endorsed at 

(1) CoP-3

(2) CoP-5

(3) CoP-6

(4) CoP-4

Subtopic:  Improper Resource Utilisation & Maintenance |
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Global warming can be controlled by:

1. Reducing reforestation, increasing the use of fossil fuel.

2. Increasing deforestation, slowing down the growth of human population

3. Increasing deforestation , reducing efficiency of energy usage.

4. Reducing deforestation, cutting down use of fossil fuel.

Subtopic:  Green House Effect & Global Warming |
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