Read the following statements and check out the option with incorrect statements with respect to prokaryotes.

(i) Prokaryotic cell's envelope consists of a tightly, bounded three layered structures with outermost arrangement as cell membrane, glycocalyx and cell wall.
(ii) Mesosomes and chromatophores are the cell membranes extensions.
(iii) Fimbriae are small bristle like fibres helpful in attachment with a substratum.
(iv) Thin filamentous extension from the cell wall of bacteria are called flagella.