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प्रश्न
Enlist any two features of Acquired immunity.
Give any two unique features of acquired immunity.
Explain unique features of acquired immunity.
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उत्तर
- Specificity: It can produce a specific antibody or T-lymphocyte against a particular antigen/pathogen.
- Diversity: It can recognize a vast variety of diversity pathogens or foreign molecules.
- Discrimination between self and non-self: It differentiates between the own body (self) and foreign (non-self) molecules.
- Memory: When the immune system encounters a specific foreign agent for the first time, it generates an immune response and eliminates the invader. This is called a first encounter. The immune system retains the memory of the first encounter. As a result, a second encounter with the same pathogen brings about quicker.
संबंधित प्रश्न
It is said that vaccinations are a must for a healthy society. Justify.
Write the full forms of: BCG
State the function of interpherons.
State the role of the thymus as a lymphoid organ. Name the cells that are released from it and mention their function.
Mention one application of the following:
Colostrum
Passive immunity is ______.
____________ is a foreign substance capable of stimulating an immune response.
Virally infected cells release ______ to protect healthy cells from viral infection.
On coming in contact with an antigen, a sensitized T-lymphocyte produces ____________.
Production of which of the following is stimulated by secretin hormone?
