Class 8 Science Chapter 18 Pollution Of Air And Water Quiz 10 (5 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. CFC's once used in many household products contributed to the creation of a(n) .....

Correct Answer: D) Hole in the ozone layer.

2. Which of the following does not help in water conservation

Correct Answer: A) Replace.

3. The major source of water pollution is

Correct Answer: D) All the above.

4. Sewage water from residential areas and used water from industries must be disposed of directly into the rivers and lakes.

Correct Answer: B) FALSE.

5. CFCs are used in refrigerators, air conditioners, aerosol sprays but damages the oxygen layer in the atmosphere

Correct Answer: B) False.