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JAMB Biology 1990 Question 46

Question 46

Microorganisms and Health

Which set of diseases is spread mainly by insect vectors?

  1. A.Cholera, tenia and gonorrhoea
  2. B.Poliomyelitis, tuberculosis and syphilis
  3. C.Cholera, malaria and tuberculosis
  4. D.Malaria, cholera and river blindness
Show the answer and explanation

Answer: D (Malaria, cholera and river blindness)

Explanation

Malaria (mosquito) and river blindness (blackfly) are insect-borne, and houseflies help spread cholera; the other sets are spread mainly by contact, air or food.