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

 1499  230 MGIMS WardhaMGIMS Wardha 2010 Report Error

Solution:

Passive immunity is the one in which the individual acquires pre-formed antibodies from outside and so is the case of the immunity that foetus/infant/acquires from mother via placenta/mother's milk.