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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