Pollution – Prevention and Control of Pollution

General Knowledge Test with questions about Environment & Biodiversity for exams like UPSC, SSC, UPPSC, Banking, RPSC, MPSC, KAS, MPPSC, and others.

1. Contamination of drinking water with which substance leads to Blackfoot disease (BFD)?

  1. Arsenic
  2. Lead
  3. Mercury
  4. Fluoride
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Answer: Option A. Arsenic

2. Which of the following does not characterize Eutrophic lakes?

  1. Low primary productivity
  2. High levels of dissolved oxygen
  3. Abundant aquatic life
  4. Clear water
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Answer: Option A. Low primary productivity

3. In which city did the Great Smog of 1952 occur?

  1. New York
  2. Paris
  3. London
  4. Tokyo
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Answer: Option C. London

4. What is measured using Dobson units?

  1. Carbon dioxide levels
  2. Ozone concentration
  3. Water temperature
  4. Air pressure
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Answer: Option B. Ozone concentration

5. Which of the following works as a biological indicator of environmental pollution?

  1. Oak trees
  2. Goldfish
  3. Dandelions
  4. Lichens
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Answer: Option D. Lichens