UPSC 2020 › Environment & Ecology › Pollution & Waste Management

2 questions · 2020 · answers as per the UPSC key

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UPSC 2020 · Q48 · Environment & Ecology › Pollution & Waste Management · Save

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 :

(a) 1, 2 and 3 only
(b) 2 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3, 4 and 5
Show answer
Answer: (a) 1, 2 and 3 only
UPSC 2020 · Q79 · Environment & Ecology › Pollution & Waste Management · Save

Consider the following statements :

  1. Coal ash contains arsenic, lead and mercury.
  2. Coal-fired power plants release sulphur dioxide and oxides of nitrogen into the environment.
  3. High ash content is observed in Indian coal.

Which of the statements given above is/are correct ?

(a) 1 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
Show answer
Answer: (d) 1, 2 and 3