UPSC 2012 › Environment & Ecology › Pollution & Waste Management

2 questions · 2012 · answers as per the UPSC key

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UPSC 2012 · Q15 · Environment & Ecology › Pollution & Waste Management · Save

Lead, ingested or inhaled, is a health hazard. After the addition of lead to petrol has been banned, what still are the sources of lead poisoning?

  1. Smelting units
  2. Pens and pencils
  3. Paints
  4. Hair oils and cosmetics

Select the correct answer using the codes given below :

(a) 1, 2 and 3 only
(b) 1 and 3 only
(c) 2 and 4 only
(d) 1, 2, 3 and 4
Show answer
Answer: (b) 1 and 3 only
UPSC 2012 · Q17 · Environment & Ecology › Pollution & Waste Management · Save

Consider the following statements : Chlorofluorocarbons, known as ozone-depleting substances, are used

  1. in the production of plastic foams
  2. in the production of tubeless tyres
  3. in cleaning certain electronic components
  4. as pressurizing agents in aerosol cans

Which of the statements given above is/are correct?

(a) 1, 2 and 3 only
(b) 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
Show answer
Answer: (c) 1, 3 and 4 only