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JAMB Biology 1984 Question 45

Question 45

Microorganisms and Health

Which of the following lists of diseases, their causes and transmission is CORRECT?

  1. A.Cholera, virus, severe diarrhoea, infected water
  2. B.Malaria, protozoan, high fever, contact with infected person
  3. C.Syphilis, virus, veneral disease, sexual intercourse
  4. D.Smallpox, virus, skin with blister, close contact with infected person
  5. E.Sleeping sickness, bacteria, tiredness, headache and dozing, tsetsefly bite.
Show the answer and explanation

Answer: D (Smallpox, virus, skin with blister, close contact with infected person)

Explanation

Smallpox is caused by a virus, causes blisters on the skin and spreads by close contact. Cholera and syphilis are bacterial, malaria spreads by mosquitoes, and sleeping sickness is caused by a protozoan.