An increase in the 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 |
 95%
From NCERT
NEET - 2015
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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 |
 89%
NEET - 2015
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Eutrophication of water bodies leading to the 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 |
 88%
From NCERT
NEET - 2015
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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 |
NEET - 2015
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Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to the depletion of the stratospheric zone?

1. Increased skin cancer
2. Reduced immune system
3. Damage to eyes
4. Increased liver cancer

Subtopic:  Ozone Layer Depletion |
 66%
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 |
 93%
From NCERT
AIPMT - 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 |
 75%
From NCERT
AIPMT - 2014
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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 |
 85%
From NCERT
AIPMT - 2013
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Kyoto-Protocol was endorsed at:

1. CoP-3

2. CoP-5

3. CoP-6

4. CoP-4

Subtopic:  Resource Utilisation & Maintenance |
 53%
AIPMT - 2013
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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 the human population
3. Increasing deforestation, reduces the efficiency of energy usage.
4. Reducing deforestation, cutting down the use of fossil fuel.

Subtopic:  Green House Effect & Global Warming |
 92%
From NCERT
AIPMT - 2013
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