Oxygen-carrying capacity of human blood is reduced due to the pollution of

O₃

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SO₂

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CO₂

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Solution

The correct option is C
CO

The oxygen-carrying capacity of human blood is reduced due to carbon monoxide poisoning. CO combines more readily with haemoglobin than oxygen, forming a stable compound, carboxyhaemoglobin, which reduces the amount of free haemoglobin available for carrying oxygen.

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Similar questions

Which of the following air pollutants reduces the oxygen-carrying capacity of blood?

The poisonous gas which reduces the oxygen-carrying capacity of blood to a large extent is:
(a) $S O_{2}$
(b) $N O$
(c) $C O$
(d) $C O_{2}$

O_{2}

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