Which of the following statements is true about SMOG?

Which of the following statements is true about SMOG?

(a) SMOG is derived from the fog

(b) SMOG is derived from smoke

(c) SMOG is derived from water vapour

(d) SMOG is derived from both fog and smoke

Answer: (d) SMOG is derived from both fog and smoke. Smog is caused by smoke and fog, which is defined as a type of fog containing smoke or soot particles or a mixture of gases, dust, and water vapour that makes breathing difficult.

More Questions on Air Pollution

1. DDT and Aluminium cans are examples of ________.

2. How many different types of primary pollutants together contribute to about 90 per cent of the global air pollution?

3. Which of the following agents is mainly responsible for the secondary pollutants?

4. Smoke, fumes, ash, dust, nitric oxide and sulphur dioxide are the main sources of ________.

5. Which of the following industries plays a major role in polluting air and increasing air pollution?

6. Which of the following gas is more in percentage in the air?

7. Increased levels of air pollution results in _______.

8. The Taj Mahal, Lotus Temple, Golden Temple, India Gate and other famous heritage monuments are being affected by _______.

9. What is the total percentage of nitrogen gas in the air?

10. Which of the following gases are called Greenhouse gases?

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