Pollution of Air and Water

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What is the main threat to the Taj Mahal as mentioned in the text?

Air pollution (correct)

Soil pollution

Water pollution

Noise pollution

Which gas makes up about 78% of the mixture in the air?

Carbon dioxide

Oxygen

Argon

Nitrogen (correct)

What is one of the impacts of the falling quality of air and water as mentioned in the text?

Increase in respiratory diseases (correct)

Increase in soil fertility

Decrease in noise pollution

Decrease in population

What are some gases present in very small quantities in the air?

Ozone and water vapour Signup and view all the answers

What do Paheli and Boojho express towards the falling quality of air and water?

Disappointment Signup and view all the answers

What are some common experiences mentioned in the text due to pollution?

Coughing while passing a brick kiln emitting smoke Signup and view all the answers

What is air pollution?

The addition of substances that modify the atmosphere in a harmful way Signup and view all the answers

Which of the following is a natural source of air pollutants?

Dust arising from forest fires Signup and view all the answers

What are some common pollutants produced by vehicles?

Carbon monoxide and nitrogen oxides Signup and view all the answers

How does carbon monoxide affect the body?

It is a poisonous gas and reduces the oxygen-carrying capacity of the blood Signup and view all the answers

Which activity could help identify the impact of air pollution on children's health?

Conducting a survey on respiratory problems among children Signup and view all the answers

What happens when air is contaminated by unwanted substances?

It modifies the atmosphere in a harmful way Signup and view all the answers

Pollution of Air and Water

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