Question
Biology Question on human health and disease
Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorised as:
A
Active immunity
B
Passive immunity
C
Cellular immunity
D
Innate non-specific immunity
Answer
Passive immunity
Explanation
Solution
In passive immunity, the individual receives pre-formed antibodies or immune components from an external source (in this case, from the mother) rather than producing antibodies themselves. This type of immunity is temporary and provides immediate protection but does not lead to the development of long-lasting immune memory.
So, the correct option is (B): Passive immunity