Biology, asked by johncheriyamadom, 8 months ago

60. The term 'active immunity' means
(a) increasing rate of heart beat
(b) increasing quantity of blood
(c) resistance developed after the entry of
antigen into the body
(d) resistance developed before the entry of
antigen into the body.​

Answers

Answered by yugakavi11
1

Answer:

d

Explanation:

Answered by manas7083
0

Active immunity is the immune response generated in an individual due to previous contact with disease or vaccination. In many cases, it is life long.

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