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Pernicious anaemia is a condition caused by the deficiency of a specific vitamin. Identify the metal present in this vitamin.

Options

  1. AIron
  2. BZinc
  3. CCobalt
  4. DMagnesium

Correct answer

C. Cobalt

Step-by-step solution

Pernicious anaemia (where red blood cells are deficient in haemoglobin) is caused by the deficiency of Vitamin B12. The chemical name of Vitamin B12 is cyanocobalamin, which is a coordination compound containing cobalt as its central metal ion. Iron is present in haemoglobin, and magnesium is present in chlorophyll, but they are not the metal found in Vitamin B12. Answer: Cobalt

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