Q. Haemoglobin is
A) An oxygen carrier in human blood
B) A protein used as food supplement
C) As oxygen scavenger in root nodules
D) A plant protein with high lysine content
Explanation
In human body 98.5% of $O_{2}$ is transported by the respiratory pigment haemoglobin which is present in erythrocyte of blood. One molecule of haemoglobin can carry four molecules of $O_{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.