Question :
Blood groups were discovered by
Option 1:
Altmann
Option 2:
Landsteiner
Option 3:
Losch
Option 4: Ronald Ross
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Correct Answer:
Solution : The correct option is Landsteiner.
Karl Landsteiner, an Austrian immunologist and pathologist, discovered blood groups in the early twentieth century. In 1901, he discovered the ABO blood type system, which lay the groundwork for modern understanding of blood compatibility and transfusion. Landsteiner's finding was a tremendous step forward in medicine, with far-reaching ramifications for blood transfusions, organ transplants, and genetics.
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The enzyme that is present in the saliva of human is
Pepsin
Renin
Amylase
Option 4: Trypsin
The normal RBC count in adult male is
5.4 million
5.0 million
4.5 million
Option 4: 4.0 million
An instrument for measuring blood pressure is called
Barometer
Spirometer
Sphygmomanometer
Option 4: Haemocytometer
Which of the following is the sweetest sugar ?
Sucrose
Glucose
Fructose
Option 4: Maltose
Sweat glands in mammals are primarily concerned with
Removal of excess salt
Excretion of nitrogenous wastes
Thermoregulation
Option 4: Sex -attraction
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