Tag: air and water pollution control

Questions Related to air and water pollution control

What are the advantages of chlorofluorocarbons? 

chemistry air and water pollution control environmental impact: global warming green house effect geobiochemical cycle

  1. Excellent refrigerants

  2. Very good propellants

  3. Useful in firefighting

  4. All of the above

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Correct Option: D
Explanation:

The advantages of chlorofluorocarbons (CFCs) are given below: 

1. Excellent refrigerants: low boiling point, uncreative. 
2. Very good propellants: low toxicity
3. Useful in firefighting

The radiations from the sun is trapped by the earth's atmosphere. This effect is called :

biology air and water pollution control environmental impact: global warming green house effect geobiochemical cycle

  1. green house effect

  2. nursery effect

  3. trapping effect

  4. None of the above

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Correct Option: A

Earth's greenhouse effect causes:

biology air and water pollution control environmental impact: global warming green house effect geobiochemical cycle

  1. warmer surface temperatures

  2. cooler surface temperature

  3. there is no change in surface temperature

  4. None of these

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Correct Option: A
Explanation:

Earth's greenhouse effect causes warmer surface temperature.

The average temperature of the earth's atmosphere is gradually increasing. This is due to:

biology air and water pollution control environmental impact: global warming green house effect geobiochemical cycle

  1. global warming

  2. global housing

  3. sun 

  4. none of the above

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Correct Option: A
Explanation:

The average temperature of the earth's atmosphere is gradually increasing. This is due to global warming.

Which protocol is agreement of global warming concern?

biology air and water pollution control environmental impact: global warming green house effect geobiochemical cycle

  1. Kroto

  2. Kyoto

  3. Kramer

  4. Krato

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Correct Option: B

The Kyoto Protocol is protocol for :

chemistry air and water pollution control environmental impact: global warming green house effect geobiochemical cycle

  1. agreement to reduce the emission of greenhouse gases

  2. disagreement to reduce the emission of greenhouse gases

  3. agreement to increase the emission of greenhouse gases

  4. agreement to reduce the emission of greenhouse liquid

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Correct Option: A

The Gangotri glacier in the Himalayas has started melting because of: 

chemistry air and water pollution control environmental impact: global warming green house effect geobiochemical cycle

  1. low temperature

  2. very low temperature

  3. global warming

  4. warming

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Correct Option: C
Explanation:

The Gangotri glacier in the Himalayas has started melting because of global warming.

Gases like methane, nitrous oxide and water vapour also contribute towards greenhouse effect, they are also called ___________.

chemistry air and water pollution control environmental impact: global warming green house effect geobiochemical cycle

  1. greenhouse gases

  2. green gases

  3. noble gases

  4. acidic gases

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Correct Option: A
Explanation:

Gases like methane, nitrous oxide and water vapour also contribute towards green house effect, they are also called greenhouse gases.

______ can cause sea levels to rise dramatically.

chemistry air and water pollution control environmental impact: global warming green house effect geobiochemical cycle

  1. Global warming

  2. Rock slide

  3. Water pollution

  4. None of the above

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Correct Option: A
Explanation:

Global warming can cause sea levels to rise dramatically.

Green house gas among the following is/are:

chemistry air and water pollution control environmental impact: global warming green house effect geobiochemical cycle

  1. carbon dioxide

  2. nitrogen oxides

  3. methane

  4. all of the above

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Correct Option: D
Explanation:

All the gases above trap the heat energy and radiate energy back to the surface of the earth causing the increase in temperature.