Multiple choice general knowledge

On what basis are the blodd groups classified into A, B, AB and O

  1. Antibodies

  2. Antigens

  3. Antioxidants

  4. Antiquity
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Blood groups A, B, AB, and O are classified based on antigens present on red blood cells. Type A has A antigens, Type B has B antigens, Type AB has both, and Type O has neither. Antibodies in plasma determine compatibility, but antigens on RBCs define the type.

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