Blood is red in colour due to the presence of

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Blood is red in colour due to the presence of ________

A. Cytochrome

B. Chlorophyll

C. Hemocyanin

D. Haemoglobin

Answer: Option D

Solution(By Examveda Team)

Hemoglobin is iron-containing oxygen transport protein in the red blood cells of all vertebrates. It has an oxygen binding capacity and gives the red colour to the blood.

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