NEET Zoology Blood Groups Assertion Reason Question
Assertion (A): Blood groups in humans are determined by the presence or absence of specific antigens on the surface of red blood cells. | Reason (R): Platelets are responsible for releasing substances involved in blood coagulation.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false, but R is true.
Correct Answer
Detailed Explanation
While both the assertion and reason are true, the reason does not explain the assertion. Blood groups are related to antigens on red blood cells, whereas platelets are involved in blood clotting.
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