Multiple choice

Total No. of Blood Groups in the human body are

  1. Two

  2. Three

  3. Four

  4. Five
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The ABO blood group system classifies human blood into four main types: A, B, AB, and O. These groups are determined by the presence or absence of A and B antigens on red blood cells. This is the primary and most well-known blood classification system used worldwide.

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