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प्रश्न
Define the following: Vaccine
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उत्तर
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.
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संबंधित प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement:
Which one of the following is a communicable disease ?
Mention the causal organisms of the following diseases:
Cholera
Name the following:
A bacterial disease caused due to contaminated water
Fill in the blanks by selecting suitable words given below:
Deficiency of Vitamin D causes ______ in children.
Fill in the blanks by selecting suitable words given below:
Diabetes is caused due to undersecretion of ______.
Organism which causes malaria
Mention the food constituents which may be lacking in one’s diet, in case of the following:
A person suffering from beri-beri.
Give a brief note on body’s natural defence mechanism to overcome diseases
Explain giving reasons
Our surrounding area should be free of stagnant water.
Becoming exposed to or infected with an infectious microbe does not necessarily mean developing a noticeable disease. Explain.
