everyday science MCQ #2397

The redness in blood is because of the presence of:

everyday science MCQ #2397

  1. Question 1

    Q1. The redness in blood is because of the presence of:

    • A) Iron in the heme pigment
    • B) Haemoglobin
    • C) Copper in the heme pigment
    • D) All of these

    Answer: Haemoglobin

    Explanation: Haemoglobin, the iron-containing protein in red blood cells, absorbs blue and green light while reflecting red wavelengths, giving blood its characteristic red colour.