Q. Which mineral is essential for the formation of haemoglobin?

  • (A) Calcium
  • (B) Iron
  • (C) Sodium
  • (D) Potassium
✅ Correct Answer: (B) Iron
Explanation: Iron is an essential component of haemoglobin, the protein that carries oxygen in red blood cells.

Published by Team MCQ Buddy ⭐ 29.34K Points at 30-Aug-2026 12:00 pm in Biology

Explanation by: Team MCQ Buddy
Iron is an essential component of haemoglobin, the protein that carries oxygen in red blood cells.

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