Q. The discovery of blood groups was made by:

  • (A) Karl Landsteiner
  • (B) Edward Jenner
  • (C) William Harvey
  • (D) Louis Pasteur
✅ Correct Answer: (A) Karl Landsteiner
Explanation: Karl Landsteiner discovered the ABO blood group system.

Published by Mr. Dubey ⭐ 109.86K Points at 18-Jul-2026 04:41 pm in General Awareness

Explanation by: Mr. Dubey
Karl Landsteiner discovered the ABO blood group system.

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