Pollution of Air and Water Quiz

Class VIII

Science

Pollution of Air and Water

14 questions

MEDIUM

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1. What is air pollution?

Contamination of air by harmful substances · Excessive noise in the environment · Depletion of natural resources · Increase in temperature

2. Which of the following is a major cause of air pollution?

Planting trees · Burning fossil fuels · Using public transport · Recycling waste

3. What are primary pollutants?

Pollutants formed by chemical reactions · Directly emitted pollutants from sources · Pollutants that are harmless · Pollutants that are easily biodegradable

4. Which gas is primarily responsible for global warming?

Oxygen · Carbon Dioxide · Nitrogen · Hydrogen

5. What is water pollution?

Contamination of water bodies · Excessive rainfall · Decrease in water levels · Water scarcity

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