Pollution of Air and Water
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Questions and Answers

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?

<p>Ozone and water vapour (D)</p> Signup and view all the answers

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

<p>Disappointment (C)</p> Signup and view all the answers

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

<p>Coughing while passing a brick kiln emitting smoke (C)</p> Signup and view all the answers

What is air pollution?

<p>The addition of substances that modify the atmosphere in a harmful way (A)</p> Signup and view all the answers

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

<p>Dust arising from forest fires (D)</p> Signup and view all the answers

What are some common pollutants produced by vehicles?

<p>Carbon monoxide and nitrogen oxides (C)</p> Signup and view all the answers

How does carbon monoxide affect the body?

<p>It is a poisonous gas and reduces the oxygen-carrying capacity of the blood (B)</p> Signup and view all the answers

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

<p>Conducting a survey on respiratory problems among children (A)</p> Signup and view all the answers

What happens when air is contaminated by unwanted substances?

<p>It modifies the atmosphere in a harmful way (A)</p> Signup and view all the answers

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