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प्रश्न
Answer the following question.
Differentiate between the roles of B-lymphocytes and T-lymphocytes in generating immune responses.
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उत्तर
| T lymphocytes | B lymphocytes |
| Originate in the bone marrow and mature in the thymus. | They are born and also mature in the bone marrow. |
| T cells multiply and differentiate into helper, regulatory, or cytotoxic T cells or become memory T cells. | B lymphocyte differentiates into a plasma cell, which secretes immunoglobulin. |
| T cells are involved in cell-mediated immunity | B cells are primarily responsible for humoral immunity (relating to antibodies). |
संबंधित प्रश्न
It is generally observed that the children who had suffered from chickenpox in their childhood may not contract the same disease in their adulthood. Explain, giving reasons, the basics of such immunity in an individual. Name this kind of immunity.
What are the uses of vaccine?
Write the full forms of: STD
Mention if the following statement is true (T) or false (F).
Treatment by the use of chemicals is known as allopathy.
State the role of the thymus as a lymphoid organ. Name the cells that are released from it and mention their function.
Enlist any four barriers that contribute to innate immunity.
Virally infected cells release ______ to protect healthy cells from viral infection.
Toxins released by bacteria like tetanus toxin undergo______.
Match column I with column II and choose the correct option.
| Column I | Column II | ||
| i. | Specificity | a. | Lymphocytes produced against each particular foreign molecule |
| ii. | Diversity | b. | Self-cells are not attacked by immune system of the own body |
| iii. | Memory | c. | Immune system works against multiple pathogens |
| iv. | Discrimination between self and non-self | d. | Stronger immune response on second encounter |
Due to which property of acquired immune system does a second encounter of the same pathogen brings about a stronger and quicker immune response?
