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UPSC PYQPrelims 2020

Civil Services Examination · प्रश्न 48

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 Select the correct answer using the code given below:

  1. 1, 2 and 3 only
  2. 2 and 4 only
  3. 1, 3 and 4 only
  4. 1, 2, 3, 4 and 5
उत्तर देखें और व्याख्या

उत्तर: (D) 1, 2, 3, 4 and 5

व्याख्या

Benzene is emitted by vehicle exhaust, tobacco smoke, wood burning, and off-gassing from varnishes, paints and polyurethane products.