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Aids to Health — BIOLOGY STD 9 — Question

ICSE BoardEnglish MediumSTD 9BIOLOGYAids to Health2 Marks
Question
Differentiate between: Active immunity and passive immunity
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Answer

Active immunity is the immunity developed by an individual due to a previous infection or antigen which enters the body naturally, whereas passive immunityis the immunity provided to an individual from an outside source in the form of 'readymade' antibodies.

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