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WAEC Biology 2012 Question 32

Question 32

Food Substances and Enzymes

The bones of the legs of a six years old boy are observed to be weak and crooked. Which of the following elements were deficient in his mother's diet at pregnancy?

  1. A.Sodium and iron
  2. B.Iron and manganese
  3. C.Calcium and phosphorus
  4. D.Magnesium and sulphur
Show the answer and explanation

Answer: C (Calcium and phosphorus)

Explanation

Bones are hardened by calcium phosphate; lack of calcium and phosphorus causes soft, bent bones (rickets).