Multiple choice

A student took four test tubes containing blood samples. Each of them is deficient in one blood component as follows:

Test tube A - Deficient in RBCs Test tube B - Deficient in leucocytes Test tube C - Deficient in platelets Test tube D - Deficient in both leucocytes and platelets

Which of the following test tubes will show unusual colour of blood?

  1. Test tube C

  2. Test tube D

  3. Test tube B

  4. Test tube A
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Blood is red in colour due to haemoglobin present in the red blood cells. Therefore, test tube A will show unusual colour of blood because of deficiency in red blood cells.

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