Zoology-Immunity

NEET Zoology Immunity Assertion Reason Question

Type: Assertion Reason-assertion-Hard-Class 12

Assertion (A): The primary immune response is of low intensity. | Reason (R): Acquired immunity is characterized by memory, leading to a highly intensified secondary response upon subsequent encounters with the same pathogen.

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 A

Detailed Explanation

Acquired immunity involves a primary response with low intensity to a pathogen, while subsequent encounters elicit a stronger secondary response due to immunological memory, as specified in the NCERT content.

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