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WAEC Biology 1997 Question 9

Question 9

Transport in Animals

Clotting of blood is a function of

  1. A.vitamin C
  2. B.vitamin K
  3. C.vitamin B2
  4. D.vitamin E
  5. E.vitamin B12
Show the answer and explanation

Answer: B (vitamin K)

Explanation

Vitamin K is needed to make clotting factors such as prothrombin.