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Immunity produced when the host's own body makes antibodies after exposure to antigens is called
AActive immunity
BPassive immunity
CInnate immunity
DInherited immunity
Answer & Solution
Correct answer: A. Active immunity
1. When a host is exposed to antigens, antibodies are produced in the host body.
2. That is active immunity.
3. It can be induced deliberately by immunisation or naturally during infection.
4. Active immunity is slow and takes time to give its full effective response.
_Source: NCERT Class 12 Biology Ch7 'Human Health and Disease', section 7.2.3_
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