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GK QUESTION#3770

Which statement about haemoglobin in humans is correct?

I. It acts as the respiratory pigment.

II. It is responsible for blood clotting.

  1. AOnly II
  2. BNeither I nor II
  3. COnly ICorrect answer
  4. DBoth I and II
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Answer

C. Only I

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Explanation

Only statementI is correct. Haemoglobin is the principal oxygen-carrying respiratory pigment in human red blood cells. Platelets and coagulation proteins are central to normal blood clotting.

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