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प्रश्न
What are the uses of vaccine?
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उत्तर
a. Vaccine is an antigenic preparation used to stimulate the production of antibodies.
b. Vaccines induce immunity against several diseases.
c. Vaccines stimulate immune system to act against genuine toxins.
d. Vaccines or vaccination programme is used to eradicate a particular disease.
e.g. Now, the disease smallpox is totally eradicated by vaccination programme.
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संबंधित प्रश्न
Write a note on ‘artificial acquired active immunity’.
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.
An antiviral protein released from infected and dying cells is ______.
''Abnormally, large numbers of WBCs in the blood are usually an indication of some infection in our body''. Comment on the statement.
Answer the following question:
The principle of vaccination is based on the property of the "memory" of the immune system. Taking one suitable example, justify the statement.
State the function of interpherons.
What do the abbreviations CMIS denote?
____________ is a foreign substance capable of stimulating an immune response.
A similar disease generally does not reappear in a child due to the presence of which type of cells?
____________ are previously sensitized cells which retain the sensitization memory for a long time in the future.
