Pollution is the contamination of the environment with harmful substances or waste. It happens when pollutants, such as chemicals, noise, light, or plastics, are introduced into the earth’s atmosphere, water bodies, or soil in greater quantities than can be naturally processed. This can result from industrial activities, agricultural practices, burning fossil fuels, and improper waste disposal, among other human actions.

MCQs

1. Which of the following is a cause of air pollution?

A) Reading books
B) Playing music
C) Burning fossil fuels
D) Swimming

 

2. Which type of pollution is caused by throwing garbage in rivers and lakes?

A) Air pollution
B) Soil pollution
C) Water pollution
D) Noise pollution

 

3. How can planting trees help reduce pollution?

A) Trees produce harmful gases
B) Trees can block noise pollution
C) Trees absorb carbon dioxide from the air
D) Trees can increase water pollution

 

4. What is noise pollution?

A) The sound of birds singing
B) Harmful levels of noise in the environment
C) The sound of water in a stream
D) Music played at a reasonable volume

 

5. Which of the following actions can reduce pollution?

A) Littering
B) Recycling
C) Using more plastic bags
D) Driving more cars

 

Fill in The Blanks

Choose from These Words: environment, air, humans, planet, land.

1. Pollution is the presence of harmful substances in the __________.

 

2. Burning fossil fuels is one way that pollution can happen in the __________.

 

3. Pollution can harm plants, animals, and __________.

 

4. It is important to reduce pollution to protect our __________ and our health.

 

5. Improper waste disposal is one activity that can cause pollution in the __________.

 

True / False

1. Pollution only affects the air we breathe (True / False)

 

2. Pollution is always caused by natural events like volcanic eruptions (True / False)

 

3. Pollution can have negative effects on human health (True / False)

 

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