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प्रश्न
What is the vaccine? What are its types?
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उत्तर
A vaccine is a biological preparation that provides active acquired immunity to a particular disease and resembles a disease-causing microorganism and is often made from weakened or attenuated or killed forms of the microbes, their toxins, or one of its surface proteins. The vaccines are classified as first, second, and third-generation vaccines.
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संबंधित प्रश्न
All are peripheral lymphoid organs except ____________.
Which is not a macrophage?
Cell mediated immunity is carried out by ____________ while humoral immunity is mainly carried out by ____________.
In agglutination and precipitation reactions, the antigen is a ____________ and ____________ respectively.
B cells that produce and release large amounts of antibody are called ____________.
How does immune system work?
Where are B-cells and T-cells produced in the human body? How do they differ from each other? Mention any two differences.
Choose the correct match pair.
Given below are some human organs. Identify one primary and one secondary lymphoid organ. Explain its role.
Liver, thymus, stomach, thyroid, tonsils
Explain the structure of immunoglobulin with a suitable diagram.
