What are lymphocytes?

The site where lymphocytes interact with antigens and proliferate to become effector cells are

What is the role of lymphocytes in the response of the body?

What is the percentage of lymphocytes among WBCs ?

Natural killer lymphocytes are an example for:

........... are the mucus secreting goblet cells and lymphoid tissue which produce lymphocytes.

Give the difference between B-lymphocytes and T-lymphocytes.

Identify the lymphocyte

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 active immunity.

Read the following statements regarding spleen and select the correct option. (i) Spleen is a large oval-shaped organ which mainly contains lymphocytes and phagocytes. (ii) Spleen is a large reservoir of erythrocytes. (iii) Spleen is a primary lymphoid organ. (iv) spleen acts as a filter of the blood by trapping blood-borne microorganisms.

Match the terms given in list I with their description in list II and select the correct option from the codes given below. {:("List I", "List II"), ("Helper T-cells", 1. "Cells that are active in production of antibodies"),("Plasma cells", 2. "Activate T or B-lymphocytes to become plasma cells"),("Killer T-cells", 3. "Protein produced by virus infected cell"),("Interferon", 4. "Combine with antigen causing lysis and release of cytokins"):}