UPSC 2021 › Environment & Ecology › Pollution & Waste Management

5 questions · 2021 · answers as per the UPSC key

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UPSC 2021 · Q16 · Environment & Ecology › Pollution & Waste Management · Save

‘R2 Code of Practices’ constitutes a tool available for promoting the adoption of

(a) environmentally responsible practices in electronics recycling industry
(b) ecological management of ‘Wetlands of International Importance’ under the Ramsar Convention
(c) sustainable practices in the cultivation of agricultural crops in degraded lands
(d) ‘Environmental Impact Assessment’ in the exploitation of natural resources
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Answer: (a) environmentally responsible practices in electronics recycling industry
UPSC 2021 · Q17 · Environment & Ecology › Pollution & Waste Management · Save

Why is there a concern about copper smelting plants?

  1. They may release lethal quantities of carbon monoxide into environment.
  2. The copper slag can cause the leaching of some heavy metals into environment.
  3. They may release sulphur dioxide as a pollutant.

Select the correct answer using the code given below.

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
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Answer: (b) 2 and 3 only
UPSC 2021 · Q18 · Environment & Ecology › Pollution & Waste Management · Save

With reference to furnace oil, consider the following statements :

  1. It is a product of oil refineries.
  2. Some industries use it to generate power.
  3. Its use causes sulphur emissions into environment.

Which of the statements given above are correct?

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
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Answer: (d) 1, 2 and 3
UPSC 2021 · Q25 · Environment & Ecology › Pollution & Waste Management · Save

Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from which of the following?

  1. Brakes of motor vehicles
  2. Engines of motor vehicles
  3. Microwave stoves within homes
  4. Power plants
  5. Telephone lines

Select the correct answer using the code given below.

(a) 1, 2, 3 and 5 only
(b) 1, 2 and 4 only
(c) 3, 4 and 5 only
(d) 1, 2, 3, 4 and 5
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Answer: (b) 1, 2 and 4 only
UPSC 2021 · Q74 · Environment & Ecology › Pollution & Waste Management · Save

Bisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of which of the following kinds of plastics?

(a) Low-density polyethylene
(b) Polycarbonate
(c) Polyethylene terephthalate
(d) Polyvinyl chloride
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Answer: (b) Polycarbonate