The term ’active immunity' means

Explain Acquired immunity.

What does the term 'memory' of the Immune system mean ?

Antigen binding site in an antibody is found between

Which of the following is an autoimmune disorder?

Assertion: Artificially acquired passive immunity results when antibodies or lymphocytes produced outside the host are introduced into a host.

Reason: A bone marrow transplant given to a patient with genetic immunodeficiency is an example of artificially acquired passive immunity.