Prokaryotic flagella possess

Which of the following is not found in bacteria?

Select the correct option for the following statements:
$(i)$ The living cytoplasmic structures are called cell organelles / cell inclusions.
$(ii)$ Nucleoid is found in prokaryotic / eukaryotic cells.

In many bacteria,the cell membrane becomes invaginated and folded to form:

The figure below shows a dividing bacterium. Label $P, Q$ and $R$.

Which of the following structures in bacteria helps in attachment to rocks in streams and also to the host tissues?