MCQ
Haemoglobin is having maximum affinity with
  • A
    Carbon dioxide
  • Carbon monoxide
  • C
    Oxygen
  • D
    Ammonia

Answer

Correct option: B.
Carbon monoxide
b
Haemoglobin is having $250$ times more affinity for carbon monoxide as compared to oxygen, forming a cherry-red compound carboxyhaemoglobin.

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