Assertion :Pili are non-motile appendages of bacteria. Reason: Pili take part in conjugation.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Pili and fimbriae are non-motile appendages that are out growths of membrane. Pili are present in $F^{+}$ bacteria and are used to transport $F$ factor (fertility factor) from $F^{+}$ bacteria to $F^{-}$ bacteria during conjugation.

So, the correct answer is 'Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion'.

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