The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin

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The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin as compared to oxygen, approximately by

Options

(a) 2 times
(b) 200 times
(c) 20 times
(d) 1000 times

Correct Answer:

200 times

Explanation:

Carbon monoxide combines with haemoglobin far more readily than 

$Oxygen$

 (CO has about 200 times greater affinity for haemoglobin compared to 

$Oxygen)$

, forming a stable compound carboxyhaemoglobin.

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Topics: Conservation and Environmental Issues (111)
Subject: Biology (4253)

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