Paper 1 · People, Development and Environment
Which of the following are reasons or 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.
- Automobile exhaust
- Tobacco smoke
- Wood burning
- Using varnished furniture or polyurethane products
A1, 2 and 3 only ✓ Correct
B2 and 4 only
C1, 2, 3, 4 and 5
D1, 3 and 4 only
Correct answer: (A) 1, 2 and 3 only — Factors 1, 2 and 3 are the exposures, so that is the answer.
Explanation
★Factors 1, 2 and 3 are the exposures, so that is the answer.
★Automobile exhaust releases benzene into the air.
★Tobacco smoke also exposes people to benzene.
★Wood burning releases benzene as well.
★The book keys these three as the exposure factors.
★So the answer is 1, 2 and 3 only.
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