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Applications of Biotechnology

Passive immun...

Question

Passive immunity is provided by readymade antibodies.

A

True

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B

False

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Solution

The correct option is A True
Passive immunity can occur naturally when maternal antibodies are transferred to the fetus through the placenta. It can also be induced artificially when high levels of antibodies specific to a pathogen or toxin are transferred to non-immune persons. (examples:immunoglobulin therapy or antiserum therapy)

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Q. Assertion :Passive immunity depends upon readymade antibodies. Reason: Passive immunity is of short life span.

Q. Assertion: Artificial passive immunity results when ready made antibodies produced outside the host are introduced into the body.
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Q. Natural passive immunity: Maternal antibodies :: Artificial passive immunity: _______

Q. Assertion :Immunisation provided against the tetanus is a passive Immunization. Reason: Injections provided against the tetanus contain preformed antibodies.

Q. __________ promotes production of antibodies to provide immunity

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