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प्रश्न
Define the following:
Vaccine
उत्तर १
Vaccine: A vaccine is a biological preparation of a weakened or killed pathogen (disease causing microbes) which stimulates the formation of antibodies and develops immunity against a particular disease.
उत्तर २
Vaccines are materials administered in the body to provide passive immunity. The materials are generally germs or substances secreted by germs.
Examples: OPV (oral polio vaccine) and DTP (diphtheria, tetanus and pertussis)
APPEARS IN
संबंधित प्रश्न
Write short (2-3 sentences) note on immunisation.
Define the following:
Immunisation
Define the following:
Immunity
What are antibiotics?
Give a brief note on body’s natural defence mechanism to overcome diseases
Given below is a table of certain vaccines, the diseases against which they are used and the nature of vaccine. Fill up the gaps 1-10.
|
Vaccine |
Disease(s) |
The Nature of Vaccine |
|
TAB |
1. _______________ |
2. ___________________ |
|
Salk's vaccine |
3. _______________ |
4. ___________________ |
|
BCG |
5. _______________ |
Living weakened germs |
|
Vaccines for measles |
Measles |
6. ___________________ |
|
Cowpox virus |
7. _______________ |
8. ___________________ |
|
Toxoids |
9. _______________ |
Extracts of toxins |
|
|
10. ______________ |
Secreted by bacteria |
State whether true or false. If false, correct the statement.
The process of vaccination was developed by Jenner.
In the given structure of an antibody molecule, identify the label 'X'.
Define the following:
Antibiotics
What is NOT true about the purpose of vaccination?
