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What is it that prevents a child to suff...

What is it that prevents a child to suffer from a disease he/she is vaccinated against? Give one reason.

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In vaccination, a prepartion of antigenic proteins of pathogen or inactivated/weakened pathogen are introduced in the body. The antibodies produced against these antigens neutralise the microbes in future infections and produce memory-B and T cells as well.
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XII BOARDS PREVIOUS YEAR-XII BOARDS-SECTION-A
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  2. Name the scientist who disproved spontaneous generation theory.

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  3. What is it that prevents a child to suffer from a disease he/she is va...

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  4. Why is the enzyme cellulase needed for isolating genetic material from...

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  5. Name a molecular diagnostic technique to detect the presence of a path...

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  7. Mention one positive and one negative application of amniocentesis.

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  10. "Sweet potato tubers and potato tubers are the result of convergent ev...

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  11. Our government has intentionally imposed strict conditions for M.T.P. ...

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  12. State the fate of a pair of autosomes during gamete formation.

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  17. Mention the site where syngamy occurs in amphibians and reptiles respe...

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