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Q. Blood is red in colour due to the presence of ________

  • (A) Cytochrome
  • (B) Chlorophyll
  • (C) Hemocyanin
  • (D) Haemoglobin
  • Correct Answer - Option(D)
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Explanation by: Admin

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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