Most of the motile bacteria locomote by using threadlike appendages which is extending outward from the plasma membrane and cell wall is known as flagella. Flagella also known as flagellum (Singular form).
Plastid is a two-membrane-bound organelle that is involved in the synthesis and preservation of nutrients. typically found in the photosynthesis cells of plants. Plastids were first discovered and identified in the work of Ernst Haeckel, but A. F. W. Schimper was the first to offer an accurate definition.
Capsules are a types of Gelatinous covering layer of entire bacterium which are well organized and not easily washed off.
Glycocalyx is made up of glycosaminoglycans, proteoglycans, and other glycoproteins bearing acidic oligosaccharides and terminal sialic acids.