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WAEC Biology 1993 Question 38

Question 38

Pollution

Which of the following water pollutants may contain organisms that cause dysentery?

  1. A.Pesticides
  2. B.Sewage
  3. C.Industrial wastes
  4. D.Fertilizers
  5. E.Crude oil
Show the answer and explanation

Answer: B (Sewage)

Explanation

Sewage contains human faeces, which can carry dysentery germs.