Hemoglobin in humans has the highest affinity for which of the following gases?

Practice MCQ for SSC, UPSC, RRB Exams

A. Methane A.
B. Carbon Monoxide B.
C. Nitrous oxide C.
D. Carbon dioxide D.

Correct Answer: B সঠিক উত্তর: B

Explanation ব্যাখ্যা

Hemoglobin in humans has a very high affinity for carbon monoxide, forming carboxyhemoglobin which is a very bright red in color. Carbon monoxide is thus problematic for humans because it has affinity higher than that of oxygen.

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