Causes of Air Pollution

Q.

The major contributor of carbon-monoxide is

1. Burning of wood

2. Fossil fuels

3. Burning of coal

4. Automobiles

Q.

Which of the following is a natural cause of air pollution?

1. Industries

2. Volcanic eruption

3. Burning of wood

4. Car

Q.

Match the following air pollutants with their major source.

(i) Carbon monoxide (ii) Carbon- dioxide (iii) Sulphur dioxide

(a) Coal burn (b) Fossil fuels (c) Automobiles

1. (i)- c, (ii)- a, (iii)- b

2. (i)- a, (ii)- b, (iii)- c

3. (i)- b, (ii)- c, (iii)- a

4. (i)- b, (ii)- a, (iii)- c

Q. Use of CNG in vehicles will help in controlling air pollution. State True or False.

1. True
2. False

Q. Question 20
Why is the use of diesel and petrol as fuels in automobiles being replaced by Compressed Natural Gas (CNG) in big cities?

Q.

Which of these will produce fewer air pollutants?

1. True

2. False

3. CNG

4. LPG

Q.

Air quality of different cities were checked. Which of the following type of city will have relatively good air quality?

1. A city with more number of vehicles
2. A city with more number of trees
3. A city with more number of industries
4. A city with less number of water bodies

Q. Which of the following has been causing most damage to the Taj Mahal?

1. Acid rain
2. Global warming
3. Dust
4. Smoke

Q. Incomplete combustion of fuel releases gas.

1. carbon dioxide
2. carbon monoxide
3. sulphur dioxide

Q.

Which of the following air pollutant is majorly produced when wood is burnt?

1. Carbon dioxide

2. Carbon monoxide

3. Sulphur dioxide

4. Nitrogen dioxide

Q. Match the given sources of air pollution with the pollutants they emit.

1. Sulphur dioxide
2. Carbon monoxide
3. Particulate matter

Q. Identify the man-made sources of air pollution.

1. Forest fire
2. Factories
3. Volcanoes
4. Power plants
5. Vehicles
6. Burning waste
7. Smoking
8. Construction
   

Q.

Which among the following are man-made sources of air pollution?
a. Burning of fire wood and dung cakes
​b. Forest fires
c. Factories
d. Power plants
e. Volcanoes
f. Vehicles

1. a, c, and f

2. a, c, d and f

3. a, c, b, d and f

4. b, d and e