Biology, asked by BulBul2595, 1 year ago

Active immunity is obtained by [BHU 1986]
A) Antibodies
B) Weakened germs infection
C) Natural resistance
D) None of these

Answers

Answered by Monika010
4
d...None of these....
Answered by seethapathi
2

Answer:

d . none of these

Explanation:

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