everyday science MCQ #3854

Who discovered the four blood groups?

everyday science MCQ #3854

  1. Question 1

    Q1. Who discovered the four blood groups?

    • A) Alexander Fleming
    • B) D. Rutherford
    • C) Karl Landsteiner
    • D) John Napier

    Answer: Karl Landsteiner

    Explanation: Karl Landsteiner discovered the ABO blood group system in 1901 and was awarded the Nobel Prize in Physiology or Medicine in 1930 for this work.