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प्रश्न
It is said that vaccinations are a must for a healthy society. Justify.
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उत्तर
Vaccination is based on the property of memory of the immune system.
If any vaccine is introduced in the person body, slowly & gradually body startsproducing specific antibodies to destroy the antigen introduced through vaccine. Thus the person become resistant to that particular disease caused by particular pathogen. Thus, Vaccination are must for healthy society.
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संबंधित प्रश्न
Write a note on ‘artificial acquired active immunity’.
A heavily bleeding and bruised road accident victim was brought to a nursing home. The doctor immediately gave him an injection to protect him against a deadly disease.
- Write what did the doctor inject into the patient’s body.
- How do you think this injection would protect the patient against the disease?
- Name the disease against which this injection was given and the kind of immunity it provides.
Name any two types of cells that act as ‘cellular barriers’ to provide innate immunity in humans.
Discuss with your teacher what does ‘a suitable gene’ means, in the context of DNA vaccines.
Mention role of interferons
Give one significant difference between primary lymphoid organs and secondary lymphoid organs. Give one example of each.
Enlist the four types of T- lymphocytes, responsible for immune response of our body.
Which type of immunity is acquired by antigenic stimulus?
What is the definition of immunology?
What is immunity defined as in terms of host defence?
