Question

Assertion : Pili are nonmotile appendages of bacteria.
Reason : Pili take part in conjugation.
A. If both assertion and reason are true amnd reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.

Answer 1

Correct Answer - B
Pili and fimbriae are non-motile appendages that are outgrowths 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.