NEET 2003 Biology question

Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorised as :-

(1)Active immunity
(2)Passive immunityCorrect
(3)Cellular immunity
(4)Innate non-specific immunity

Answer: (2)

Solution

When ready-made antibodies (IgG across the placenta, IgA in colostrum/milk) are transferred from the mother, the child does not produce them itself and the protection is temporary - this is passive

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Question ID VK-089258