Blood group was discovered by A)Alexander Fleming B)William Harvey C)Landsteiner D)Paulov
Option C) Karl Landsteiner, an Austrian biologist and physician, is noted for having distinguished the main blood groups in 1900. He developed the modern system of classification of blood groups from his identification of the presence of agglutinins in the blood. In 1930, he received the Nobel Prize in Physiology or Medicine.
