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Question

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

A
r-DNA technology
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B
RNA
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C
ELISA
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D
PCR
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Solution

The correct option is C ELISA

Enzyme linked immunosorbent assay (ELISA) is a reaction based on an antigen-antibody interaction which is used to detect antibodies produced in response to viruses.

It is a common diagnostic test for AIDS.
Hence the correct option is (b).



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