Question no 2866 SSC CGL Tier 1 Genral Awareness Questions and Answers Online Test 73

SSC CGL Tier 1 :: GA Test 73

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1 .

Who among the following has been credited for the discovery of blood groups of human beings?

[ A ] GJ Mendel
[ B ] Hugo de Vries
[ C ] William Harvey
[ D ] Karl Landsteiner

Answer : Option D

Explanation :

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