Air Pollution

Q.

In the equation GPP – R = NPP, R represents:

1. Respiration losses

2. Retardation factor

3. Environmental factor

4. Radiant energy

Q.

Explain natural and human•made sources of air pollution.

Q.

Which of the following is not a source of air pollution?

1. Automobile exhaust

2. Burning of firewood

3. Windmill

4. Power plant

Q.

Write ten lines on air pollution.

Q.

What is the role of plants in controlling air pollution?

Q.

Explain what is smog. Give its effects.

Q.

Name few man-made sources of air pollution.

Q.

Lichens are sensitive to which component of air pollution.

Q. Fog combined with smoke forms smog.

1. True
2. False

Q.

Why is lead compound added to petrol ? What is its harm ?

Q.

Question 12
Which of the following is not a greenhouse gas?

(a) Methane
(b) Carbon dioxide
(c) Carbon monoxide
(d) Ammonia

Q. The burning of coal and petroleum produces different oxides of____________.

1. Methane and hydrogen
2. Nitrogen and sulphur
3. Sulphur and methane
4. Hydrogen and nitrogen

Q.

Blood analysis of a patient reveals an unusually high quantity of carboxyhaemoglobin content. Which of the following conclusions is most likely to be correct? The patient has been inhaling polluted air containing an unusually high content of-

1. chloroform

2. carbon disulphide

3. carbon monoxide

4. carbon dioxide

Q. Choose the right option regarding given assertion and reason.

Assertion [A]: Fossil fuels causes air pollution.

Reason [R] : Fossil fuels contain small amount of nitrogen and sulphur in it.

1. A and R are true; but R is not a correct explanation for A.
2. Both A and R incorrect statements.
3. A and R are true; R is the correct explanation for A.
4. A is incorrect, but R is true.

Q.

List two harmful effects of Air pollution.

Q.

Acid rain is caused due to which gas?

1. ${\mathrm{NO}}_3$

2. ${\mathrm{SO}}_2$

3. ${\mathrm{SO}}_3$

4. ${\mathrm{CO}}_2$

Q.

Describe the major components of air pollution.

Q.

Describe the causes and effects of air pollution.

Q. In the year 1984, the Bhopal gas tragedy was caused by the leakage of

1. Carbon monoxide
2. Methyl isocyanate
3. Nitrogen oxide
4. Sulphur oxide

Q.

Which of the following is responsible for acid rain?

1. Sulphur dioxide

2. Nitrogen Oxide

3. Both Sulphur dioxide and nitrogen oxide

4. Iron oxide

Q.

What are the effects of air pollution on human beings ?

Q. Which of the following is/are the cause(s) for acid rain?

1. Nitrogen oxide
2. Sulphur dioxide
3. Iron oxide
4. Carbon dioxide

Q.

What is the breath of life?

Q.

Give an example of a primary pollutant.

Q.

The sulfur dioxide gas released from the Mathura oil refinery causes local acid rain, which is resulting in the corrosion of the Taj Mahal at Agra. Write chemical reactions to explain the above phenomenon.

Q. Question 46
Lichens are called pioneer colonisers of bare rock. How can they help in formation of soil?

Q.

Justify dust as a pollutant.

Q. Which of the following are true statements regarding lichens?

1. They help in the formation of soil.
2. They are dead and decayed organisms.
3. They can be found on the surface of rocks.
4. They degrade the fertility of soil.

Q.

Why is it advised that industries should switch over to cleaner fuels such as CNG and LPG in the Taj Mahal Zone in Agra?

Q.

Which gas supports burning.