Q. Haemoglobin contains
A) ${Fe}^{2 +}$
B) $Mg^{2 +}$
C) $Na^{2 +}\$
D) $Ca^{2 +}$
Explanation
Haemoglobin is a respiratory pigment found in RBCs. It contains iron $(Fe^{2 +}).$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.