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

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

(a) Three

(b) Five

(c) Seven

(d) None of the above

Answer: (b) Five different types of primary pollutants together contribute to about 90 per cent of the global air pollution. A primary pollutant is one that is discharged directly from a source into the atmosphere. A secondary pollutant is created when other pollutants (primary pollutants) react in the atmosphere, rather than being directly emitted.

More Questions on Air Pollution

1. Who was the first scientist to coin the term SMOG and to describe the layers of SMOG?

2. Which of the following pollutants are responsible for the cause of SMOG?

3. Which of the following is called the secondary air pollutant?

4. Which of the following particles is called the particulate pollutants?

5. Which of the following agents is responsible for turning the Taj Mahal yellow?

6. Which of the following statements is true about SMOG?

7. What type of precautions should be taken to survive when the ozone level is high?

8. Which of the following statements is true about the Air Quality Index?

9. The major photochemical smog is________.

10. Which of the following diseases are caused by smog?

Comments