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

C O_{2}

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S O_{2}

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O_{3}

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Solution

The correct option is A CO
Carbon monoxide is produced due to incomplete combustion, metallurgical operations and naturally by plants and animals. Normally, carbon monoxide has a brief residence in the atmosphere and gets oxidised to carbon dioxide. However, in congested and closed areas, it proves quite harmful. Carbon monoxide combines with haemoglobin and produces carboxyhaemoglobin. It impairs oxygen transport resulting in giddiness, headache, decreased vision, cardiovascular malfunction and asphyxia.

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Similar questions

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

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

Which of the following air pollutant reduces the oxygen-carrying capacity of blood to a large extent?

(a) carbon dioxide

(b) nitrogen monoxide

(d) sulphur dioxide

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) $C O_{2}$

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