Assertion :Monoclonal antibodies are ideal for diagnosis of diseases causes by closely related pathogens. Reason: Monoclonal antibodies are far more specific and reproducible than the antibodies produced by conventional techniques.

If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

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If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

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If Assertion is correct but Reason is incorrect.

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If Assertion is incorrect but Reason is correct.

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Solution

The correct option is A If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Monoclonal antibodies are produced by B cells of immune system against a single receptor of the antigen from pathogens. They are ideal for closely related pathogens and very specific and easily reproduced by cloning from a parent B cell.
So, the correct answer is "If both Assertion and reason is correct and reason is the correct explanation for Assertion."

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