Q1. A person with which blood group is known as the universal donor?
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Answer: A. O negative
O negative RBCs lack A, B and Rh antigens, so they can be given to people of any blood group.
Biology - Blood Groups Questions for SSC CGL (with Answers)
4 Biology - Blood Groups MCQs from the General Awareness section, with answers and short explanations.
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Q2. Who discovered the ABO blood group system?
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Answer: A. Karl Landsteiner
Karl Landsteiner discovered the ABO blood groups in 1900-1901.
Q3. The Rh factor in blood is named after:
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Answer: C. The Rhesus monkey
The Rh factor was first identified in the blood of Rhesus monkeys, hence the name.
Q4. A person with which blood group is known as the universal recipient?
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Answer: A. AB positive
AB positive plasma has no anti-A, anti-B or anti-Rh antibodies, so it can receive RBCs of any group.
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