Differentiate between active immunity and passive immunity.

Explanation

Active immunity :
Immunity develped due to exposure to infection.
It is slow and takes time to give its response.
provides life long immunity.
Memory cells are produced for long term immuity
The antibodies produced are harmless.
Passive immunity :
Immunity developed due to injection/introduction of ready made antibodies.
Shows immediate response.
Provides temporary immunity
Memory cells are not produced.
The antibodies which are injected are some time harmful.