Zoology-Diseases
NEET Zoology Diseases MCQ Question
Type: MCQ-diagram based-Medium-Class 12
A diagram shows a series of cells interacting with a pathogen. The initial response is weak, but upon a second encounter with the same pathogen, the response is much stronger. What process is being depicted?
A
Acquired immunity with memory response
B
Passive immunity through antibodies
C
Cytokine barrier activation
D
Mechanical barrier against microbes
Correct Answer
Option A
Detailed Explanation
The diagram describes the process of acquired immunity, which is characterized by a memory response. Upon first exposure, the response is weak (primary response), but subsequent exposures elicit a stronger response (secondary or anamnestic response) due to immunological memory.
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