Zoology-Blood Groups

NEET Zoology Blood Groups Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 11

Assertion (A): The ABO blood group system is based on the presence or absence of specific antigens on the surface of red blood cells. | Reason (R): The immune response of an individual is determined solely by the type of lymphocytes present in their blood.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false.

Correct Answer

Option C

Detailed Explanation

The ABO blood group system is determined by antigens on red blood cells. While lymphocytes play a role in immune responses, they do not determine ABO blood groups.

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