The yellowish fluid "colostrum" secreted by mammary glands of mother during the initial days of lactation has abundant antibodies ($lgA$) to protect the infant. This type of immunity is called as
Autoimmunity
Passive immunity
Active immunity
Acquired immunity
Give scientific reasons : Autoimmune diseases are different from immune deficiency diseases.
Definitions / Explanation : Antingen & Lymphoid organs.
Acquired Immunity mediated by which of the following
Discribe the Innate immunity.
What are recombinant $DNA$ vaccines ? Give two examples of such vaccines. Discuss their advantages.