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Question
Why do you think it is not possible to produce vaccine against 'common cold'?
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Solution
Vaccines target specific pathogens and elicit immunity. In case of common cold, more than 200 strains of viruses are responsible for causing the disease. Hence it is practically difficult to develop vaccine against it.
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Show with the help of a flow chart only, the life cycle of malarial parasite in humans.
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(B) Genetic disorder
(C) Bacterial disease
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| Column I | Column II |
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| II. Wuchereria bancrofti | 2. Amoebiasis |
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The alveoli (air filled sacs) of the lungs are infected in
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| List I | List II | ||
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