WAEC Biology 2001 Question 43

Question 43

Food Substances and Enzymes

The mineral needed for the formation of haemoglobin is

  1. A.magnesium
  2. B.iron
  3. C.phosphorus
  4. D.calcium
Show the answer and explanation

Answer: B (iron)

Explanation

Each haemoglobin molecule contains iron, which binds oxygen; lack of iron causes anaemia.