Multiple choice technology web technology

Who first classified type of blood ?

  1. Charles Darwin

  2. Michale Faraday

  3. Alexander S. Wiener

  4. Land Steiner

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Karl Landsteiner discovered the ABO blood group system in 1901, for which he received the Nobel Prize. The question incorrectly spells it as 'Land Steiner' and includes 'Alexander S. Wiener' who co-discovered the Rh factor, not the basic blood types.