JAMB Biology 1982 Question 23

Question 23

Transport in Animals

ONE of the major causes of haemophilia is lack of

  1. A.fibrinogen
  2. B.amylase
  3. C.white blood corpuscles
  4. D.red blood corpuscles
  5. E.plasma
Show the answer and explanation

Answer: A (fibrinogen)

Explanation

In haemophilia the blood fails to clot properly because a clotting factor is missing; of these options only fibrinogen is a clotting substance.