Question

The principle of vaccination is based on the property of ______.

Options

• Specificity

• Diversity

• Memory

• Discrimination between ‘self’ and ‘non-self’

Answer 1

The principle of vaccination is based on the property of memory.

Explanation:

Vaccination operates on the basis of immunological memory. When a vaccine is administered, it stimulates the immune system into producing memory cells. When exposed to the same virus again, the body responds rapidly and aggressively, preventing sickness.