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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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

 

Subtopic:  Water Pollution: I | Water Pollution |
 94%
From NCERT
NEET - 2012
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Which one of the following pairs of gases are the major cause of Green house effect?

1. CO2 and CO

2. CFCs and SO2

3. CO2 and N20

4. CO2 and O3

Subtopic:  Green House Effect & Global Warming |
 69%
From NCERT
NEET - 2011
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Which one of the following statements is wrong in case Bhopal gas tragedy?

1. Thousands of human beings died

2. Radioactive fall out engulfed Bhopal

3. It took place in the night of December 2/3, 1984

4. Methyl isocynate gas leakage took place

Subtopic:  Agrochemical & Radioactive Waste |
 64%
NEET - 2011
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Eutrophication is often seen in

1. fresh water lakes

2. ocean

3. mountains

4. deserts

Subtopic:  Water Pollution: I | Water Pollution |
 93%
From NCERT
NEET - 2011
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