(i) Two types-Prokaryotic cells and eukaryotic cells.
(ii) Salmonella bacteria.
(iii) Differences between Prokaryotic cell and Eukaryotic cell.
`{:("Prokaryotic Cell","Eukaryotic Cell"),("1. Genetic material (nucleod) is not surrounded","1. Distinct nucleus is present. Nuclear material is"),(" by a nuclear membrane and is in direct contact"," surrounded by a nuclear membrane and is not in"),(" with cytoplasm."," direct contact with cytoplasm."),("2. Nucleolus is absent.","2. Nucleolus is present." ):}`
(iv) Entamoeba histolytica (amoebic dysentry).