Q. After the clearance of foreign antigen, the expanded T-cell population ________________

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Q. T-cells secrete antibodies for eradicating the infected cells.

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Q. Cytokines are ________________

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Q. Chemokines act as ___________________

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Q. Perforins and granzymes are secreted by ______________________

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Q. After entering the target cells, the granzymes activate the ______________________

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Q. Cytotoxic T cells are _____________

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Q. Helper T lymphocytes possess ____________ proteins on their surface.

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Q. Which of the following is the main target of HIV?

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Q. Which of the following is an essential requirement for the differentiation of regulatory T cells?

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Q. IgG is the predominant antibody in the secretion of respiratory tract.

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Q. In all the immunoglobulins, there are _____ type(s) of light chains and ______ type(s) of heavy chain.

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Q. Patients suffering from which of the following disease contain large quantities of a single type of antibodies?

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Q. Plasma cells are mainly found in the bone marrow.

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Q. The antigenic determinant is called _________________

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Q. Binding of which of the following antibody’s heavy chain initiates the lysis of bound bacterial cells?

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Q. In which year was the two “gene – one polypeptide” hypothesis put forward?

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Q. Which segment of chromosome 2 encodes for the V region of antibody?

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Q. Class-switching of antibodies can occur by changing the ___________________

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Q. Cyclosporin A is a drug that __________________

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