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प्रश्न
How are humans protected against bacterial infection?
थोडक्यात उत्तर
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उत्तर
- Vaccination to create immunity.
- Use of antibiotics, such as penicillin and streptomycin.
- The skin secretes serum which .prevents bacterial entry.
- Antibody formation in blood plasma.
- W.B.C. attacks and destroys bacteria by phagocytosis, and agglutinins.
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Common Health Problems in India
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संबंधित प्रश्न
The immunity acquired by providing readymade antibodies from outside for treating certain infectious diseases.
Define the following:
Cancer
Define the following:
Allergy
Choose the correct answer:
Water-borne disease is ___________
Name any two common water-borne diseases.
Name any two common air-borne diseases.
List three common diseases prevalent in India.
Name two non-communicable diseases.
Complete the following:
Asthma is ______ disease.
Distinguish between sewage and effluents.
