Question

On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because

a.

of clotting of blood.

b.

of jamming of respiratory tract.

c.

it forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen.

d.

it forms CO₂ by combining with oxygen present in the blood.

Answer: (c).it forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen.

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Q. On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because

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