Character of acquired immunity is

The correct option is A All of the above
Characteristics of acquired immunity

Characteristics of acquired immunity:
● Specificity: It has the ability to differentiate between various foreign molecules (antigens).
● Discrimination between self and non-self: It has the ability to recognize and respond to foreign molecules (nonself) and can avoid responding to those molecules that are present within the body.
●Retains memory: Immune system retains the memory of the antigen which has encountered earlier.
●Diversity: It has the ability to recognise a vast variety of froreign molecules.

Final answer

(d.) All of the above