Q. The correct statement in respect of protein haemoglobin is that it
A) Acts as an oxygen carrier in the blood
B) Forms antibodies and offers resistance to diseases
C) Function as a catalyst for biological reactions
D) Maintains blood sugar level
Explanation
(a)
Haemoglobin act as an oxygen carrier in the blood because four $Fe^{2 +}$ ions of haemoglobin can bind with 4 molecules of $O_{2}$ and form oxyhaemoglobin
$\ Hb + O_{2} \longrightarrow \$Oxyhaemoglobin
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.