STANDARDZoology-Human Health and Disease

STANDARD Zoology Immunity MCQ Question

Type: MCQ-conceptual-Medium-Class 12

The principle of immunisation or vaccination is based on the property of _______ of the immune system

A

strength

B

memory

C

reactivity

D

counteraction

Correct Answer

Option B

Detailed Explanation

Vaccination works by stimulating the immune system to develop memory cells that recognize and respond more effectively to pathogens in future encounters.

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