Question
Biology Question on Types of Immunity
The immunity developed by a child after attack of measles is ______ immunity
A
Natural acquired active
B
Artificial acquired active
C
Natural acquired passive
D
Artificial acquired passive
Answer
Natural acquired active
Explanation
Solution
When a person�s own cells produce antibody in response to infection or vaccination then he is said to develop active immunity. A person who has recovered from an attack of small pox or measles develops natural active immunity whereas artificial active immunity is the resistance induced by vaccines.