Zoology-Immunity
NEET Zoology Immunity MCQ Question
Type: MCQ-conceptual-Medium-Class 12
If a person is exposed to a particular pathogen for the first time and develops a primary immune response, which of the following is true regarding the intensity of the response compared to a secondary exposure to the same pathogen?
A
The primary response is of lower intensity than the secondary response.
B
The primary response is of higher intensity than the secondary response.
C
The primary and secondary responses have the same intensity.
D
The intensity of the primary response depends on the type of antigen.
Correct Answer
Option A
Detailed Explanation
Acquired immunity is characterized by memory, and the primary response to a first-time pathogen exposure is of low intensity compared to the intensified secondary response upon re-exposure.
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