Sources of Air Pollution

Q. How did the Taj Mahal change its colour?

Q. What do you mean by aerosol sprays .

Q.

When the burning of coal is done in a limited environment of oxygen, the exhaust produces poisonous gas Carbon dioxide.

1. True

2. False

Q. When pollutants mix with other gases in the air, dust and smoke, a is created.

1. cloud
2. smog
3. rainbow
4. fog

Q.

Which oxide of carbon is harmful and poisonous and are produced on partial burning?

1. Carbon dioxide

2. Methane

3. Ethane

4. Carbon monoxide

Q.

Which of the following activities causes air pollution?

1. Cutting of trees

2. Burning of fuels and fibres

3. The decrease in the number of industries

4. Use of Chloro The decrease

Q.

Which of the following is true about Suspended particulate matters?

1. All of the above

2. Lead oxide is a type of SPM which causes brain cancer

3. Soot causes Bronchitis

4. Pollen grains also comes under SPM category

Q.

Give biological reasons for the following statement:

Cutting of trees should be discouraged.

Q. <!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> What are air pollutants?

Q.

What is air pollution?

Q. Question 27
People usually keep Angethi/burning coal in their closed rooms during winter season. Why is it advised to keep the door open?

Q.

Identify the correct pairs of gases and their corresponding sources.

1. - Vehicles, Methane - Excreta of all living organisms, Water vapour - Sea water, - Plants​

2. - Excreta of all living organisms, Water vapour - Sea water, - Plants​, Methane - Vehicles

3. Methane - Vehicles, Water vapour - Excreta of all living organisms, - Plants, - Sea water

4. - Vehicles, Methane - Sea water, Water vapour - Excreta of all living organisms, - Plants

Q. Which of the following are the sources of air pollution?

1. Factories
2. Dung cakes
3. Forests
4. Power plants

Q.

The pollutants released from oil refineries are:

1. Oxides of hydrogen and oxygen

2. Oxides of sulphur and nitrogen

3. Oxides of sulphur and hydrogen

4. Oxides of nitrogen and hydrogen

Q. Select the oxides responsible for acid rain.

1. Sulphur dioxide
2. Carbon dioxide
3. Nitrogen dioxide
4. Ozone

Q.

Describe Air Pollution and its causative agents.

Q.

Oxides of sulphur and oxygen are released by oil refineries.

1. True

2. False

Q.

Which of the following are responsible for air pollution?

1. Volcanic eruption

2. Automobile emissions

3. Volcanic eruption and Automobile emissions

4. None of these

Q. Which of the following air pollutants reduces the oxygen-carrying capacity of blood?

1. Carbon monoxide
2. Sulphur dioxide
3. Nitrous oxide
4. Carbon dioxide

Q.

Pollution of air is caused due to _______.

1. poisonous gases and particulate matter
2. colloids

3. particulate matter

4. poisonous gases

Q.

Contamination of air by unwanted substances is called ______.

1. air utilisation

2. air pollution

3. air purification

4. air conservation