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JAMB Biology 2005 Question 11

Question 11

Microorganisms and Health

The blackfly is a vector of

  1. A.malaria
  2. B.trypanosomiasis
  3. C.onchocerciasis
  4. D.yellow fever
Show the answer and explanation

Answer: C (onchocerciasis)

Explanation

Blackflies (Simulium) carry the worm that causes onchocerciasis (river blindness). Malaria and yellow fever are spread by mosquitoes, and sleeping sickness by tsetse flies.