Air Pollution

Q.

Which organisation played an important role in forging an agreement to freeze CFC production?

1. UNESCO

2. UNICEF

3. UNEP

4. OPCW

Q.

When fuels burn they consume ______ and release ______ gas into the atmosphere.

Q.

While going to the vegetable market along with my mother, she advised me to ______.

1. carry a paper bag

2. carry a cotton bag

3. carry a polythene bag

4. carry a plastic bag

Q.

What is air pollution? [1 MARK]

Q.

Question 14
Name any two sources which cause air pollution due to suspended particulate matter (SPM).

Q.

The main source of carbon monoxide in the atmosphere is:

1. Vehicles

2. Industries

3. Bio wastes

4. Photochemical reactions in the troposphere.

Q.

Question 5
The type of pollution which is likely to affect TajMahal in Agra to a greater extent is
(a) Air pollution
(b) Water pollution
(c) Soil pollution
(d) Noise pollution

Q. Unchecked carbon pollution leads to long-lasting changes in our climate, such as:

1. Rising global temperatures/global warming
2. Rising sea level
3. Changes in weather and precipitation patterns
4. All of the above

Q. Cars using fossil fuels emit a lot of carbon dioxide because petroleum, coal, and natural gas are rich in carbon and are formed due to anaerobic decomposition of buried dead organisms.

1. True
2. False

Q.

Select the process that does not add particulate materials to air.

1. Use of air conditioner

2. Burning of fossil fuels

3. Paper industry

4. Incomplete combustion of coal

Q.

17. Which of the following processes does not contribute to the increase of suspended particulate matter in the atmosphere?

1. emissions from industries

2. burning of coal

3. burning of wood

4. usage of refrigerators and air conditioners

Q.

CFC usage is more in modern days because it is :

1. Easily manufactured

2. Commercially affordable

3. All the options are correct.

4. Easily transported and has no direct harm to humans

Q.

The pollutants discharged by planes are

1. Smoke

2. Smog

3. Areosols

4. Fog

Q. You must have seen this sign displayed in many public places.
(a) Why are such signs put up?
(b) Name two place where you think it is necessary to put up such signs?
Figure