Q2 / 160 · JIPMER 2011 · Botany

Carbon monoxide is a pollutant because it

  • A
    reacts with oxygen
  • B
    inhibits glycolysis
  • Correct answer
    C
    reacts with haemoglobin
  • D
    makes nervous system inactive

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.

Hence, the correct answer is option: 'C'.

Relevant Questions