Question

Assertion : Pili are nonmotile appendages of bacteria
Reason : Pili take part in conjugation

• A. If both assertion and reason are true and 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

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