WAEC Biology 1996 Question 45

Question 45

Microorganisms and Health

One of the ecological conditions which favour the spread of malaria is

  1. A.improper disposal of decaying organic matter
  2. B.clearing bushes around dwelling houses
  3. C.presence of water weeds
  4. D.presence of stagnant water in ponds
  5. E.improper disposal of sewage into the sea
Show the answer and explanation

Answer: D (presence of stagnant water in ponds)

Explanation

Mosquitoes breed in stagnant water.