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What is Antigen? Write down the general characteristics of it.
Important Questions on Human Health and Disease
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Match the following about lymphocytes of mammals and select the correct option?
| Character | B Cells | T Cells | |||
| i) | Mature in | a) | Produces antibodies | p) | Cytotoxic ' T' cells |
| ii) | Free antigens | b) | Plasma cells | q) | Cannot produce antibodies |
| iii) | Effector cells | c) | Bone marrow | r) | Cannot recognize |
| iv) | Antibodies | d) | Can recognize | s) | Thymus |
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Statement II: Antigenic site that binds to an antibody is called epitope.
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Study the following:
Statement : cells are involved in humoral and cell mediated immunity.
Statement : Natural killer cells are a type of lymphocytes.
The correct option among the following is
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Write the difference between B-lymphocytes and T-lymphocytes.
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Read the following statements
I) lymphocytes are involved only in cell mediated immunity.
II) Thymus gland of mammals is a secondary lymphoid organ.
III) The part of antibody that recognises and binds to an antigen is called epitope.
IV) Interleukins are primarily involved in differentiation of the cells of immune system.
Among the above, the incorrect statements are
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Medical discoveries such as antibiotics and vaccinations have indirectly contributed to the sharp rise in human population.
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