Q133 / 160 · JIPMER 2014 · Zoology

Haemoglobin is

  • Correct answer
    A
    an oxygen carrier in human blood
  • B
    a protein used as food supplement
  • C
    an oxygen scavenger in root nodules
  • D
    a plant protein with high lysine content

Solution

In human body $98.5 \%$ of $\mathrm{O}_2$ is transported by haemoglobin present in RBC. One molecule of haemoglobin carries four molecules of oxygen.

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

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