JIPMER2011BotanyEnvironmental Issues

Carbon monoxide is a pollutant because it

Options

Areacts with oxygen
Binhibits glycolysis
Creacts with haemoglobin
Dmakes nervous system inactive

Correct answer

C. reacts with haemoglobin

Step-by-step solution

Carbon monoxide, when inhaled, combines with blood haemoglobin to form carboxyhaemoglobin at a rate 210 times faster than the rate of oxygen forms oxyhaemoglobin. Thus, respiration is impaired.

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