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Question

Which of the following is based upon the principle of antigen-antibody interaction?

A
PCR
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B
ELISA
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C
rDNA technology
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D
Northern blotting
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Solution

The correct option is B ELISA
Enzyme-linked immunosorbent assay (ELISA) is a method of target antigen (or antibody) capture in samples using a specific antibody (or antigen), and of target molecule detection using an enzyme reaction with its substrate.

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