Mothers' anti - bodies may reach the foetus through the placenta. To what type of immunity does this belongs to?
A
Artificially acquired passive immunity.
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B
Naturally acquired passive immunity
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C
Active immunity
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D
None of these
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Solution
The correct options are B Naturally acquired passive immunity D None of these Mothers' anti - bodies may reach the foetus through the placenta. This is an example of naturally acquired passive immunity.