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प्रश्न
Write one important characteristic of virus.
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उत्तर
Virus are dead when present in the environment. They can reproduce only inside the cells of an infected person (as host).
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संबंधित प्रश्न
Cholera is caused by _________.
Give reasons.
There is a possibility of food poisoning if we eat stale food.
Chicken pox is a communicable disease.
Citrus canker is transmitted by insects.
Write a short note on common human diseases caused by microorganisms.
Pathogenic micro-organisms present in host cells are killed by medicines called
Suggest a suitable word for the following statement.
Chemicals which kill or stop the growth of pathogens
Mention the symptoms and preventive measures undertaken for foot and mouth disease in animals.
Define the following:
Toxin
Differentiate Exotoxins and Endotoxins.
