Zoology-Immunity
NEET Zoology Immunity Assertion Reason Question
Type: Assertion Reason-assertion-Medium-Class 12
Assertion (A): Acquired immunity is specific to pathogens and characterized by memory. | Reason (R): The cell-mediated immune response is responsible for graft rejection.
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 B
Detailed Explanation
Acquired immunity is specific and involves memory, but graft rejection is due to the cell-mediated immune response differentiating 'self' from 'non-self', hence R does not explain A.
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