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

A) Active immunity
B) Passive immunity
C) Cellular immunity
D) Innate or non-specific immunity
Explanation

Passive immunity involves either the transfer of antibodies or of WBCs from an immune to a non-immune person. It may be natural, e.g., transferred from mother to child across the placenta or through mother’s milk to the infant or artificial, e.g., cultured antibodies, antivenoms etc.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.