Acid rain is caused by increase in the atmospheric concentration of

1. SO2 and NO2

2. SO3 and CO

3. CO2 and CO

4. O3 and dust

Subtopic:  Air Pollution |
 90%
NEET - 2015
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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 |
 65%
From NCERT
NEET - 2015
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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 |
 59%
From NCERT
NEET - 2015
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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 |
 92%
From NCERT
NEET - 2014
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A scrubber in the exhaust of a chemical industrial plant removes

1. Gases like sulphur 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 |
 77%
From NCERT
NEET - 2014
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Kyoto Protocol was endorsed (supported) at

1. CoP-3

2. CoP-5

3. CoP-6

4. CoP-4

Subtopic:  Green House Effect & Global Warming |
 56%
NEET - 2013
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Global warming can be controlled by 

1. Reducing deforestation, cutting down use of fossil fuel

2. Reducing reforestation, increasing the use of fossil fuel

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

4. Increasing deforestation, reducing efficiency of energy usage

Subtopic:  Green House Effect & Global Warming |
 93%
From NCERT
NEET - 2013
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The Air Prevention and Control of Pollution Act came into force in ?

1. 1975

2. 1981

3. 1985

4. 1990

Subtopic:  Air Pollution |
 84%
From NCERT
NEET - 2013
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In an area where DDT had been used extensively, the population of birds declined

significantly because

1. birds stopped laying eggs

2. earthworms in the area got eradicated

3. cobras were feeding exclusively on birds

4. many of the birds laid eggs and the eggs hatched early

Subtopic:  Water Pollution: I | Water Pollution |
 88%
From NCERT
NEET - 2012
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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

Subtopic:  Ozone Layer Depletion |
 77%
From NCERT
NEET - 2012
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