Motile flagellated bacteria - some bacteria are motile due to presence of flagella. These are –
i) Vibrio cholera
ii) Spirillum minus
iii) Salmonella typhi .
iv) Bacillus subtilis
v) Clostridium tetani
Motile non-flagellated bacteria - Spirochetes are motile but they do not possess any flagellum or cilia or pseudopodium . Movement of this group of bacteria takes place equally in a forward or backword direction . They will move by the process of cork screw motion ( flexion of body and rotation around the long axis ) . or by a general movement of protoplasm . these bacteria are Trep. Pallidum , Leoptospira icterohaemorrhagiae , Borrelia recurrent
