Pigment-containing membranous extensions in some cyanobacteria are:

Options

(a) Basal bodies
(b) Pneumatophores
(c) Chromatophores
(d) Heterocysts

Correct Answer:

Chromatophores

Explanation:

In some photoautotrophic bacteria bacteriochlorophyll and bacteriophaeophytin or bacterioviridin pigments containing membraneous extensions called chromatophores are present. These are sites of bacterial photosynthesis.