UPSC Previous Year Question | Prelims GS | 2020

Which of the following are the reasons/factors for exposure to benzene pollution? 1. Automobile exhaust 2. Tobacco smoke 3. Wood burning 4. Using varnished wooden furniture 5. Using products made of polyurethane

  1. 1, 2 and 3 only
  2. 2 and 4 only
  3. 1, 3 and 4 only
  4. 1, 2, 3, 4 and 5

Answer

Correct Answer

1, 2, 3, 4 and 5

Explanation

Benzene is released by vehicle exhaust, tobacco smoke, biomass and wood burning, and emissions from varnishes and polyurethane products. All five are sources.

Topics: air pollution, environmental pollution, environment & ecology, sources of benzene exposure