Q132
General ScienceBiology
Which metal is present in haemoglobin?
- a.Iron
- b.Zinc
- c.Magnesium
- d.Copper
Answer: (A) Iron
Haemoglobin contains iron (Fe) at the centre of its haem group. Each haem group contains one iron atom that binds one oxygen molecule, allowing red blood cells to transport oxygen from the lungs to body tissues. Chlorophyll (in plants) contains magnesium, not iron.