Photosynthesis Question 7

7. Pigment-containing membranous extensions in some cyanobacteria are :

[2013]

(a) Basal bodies

(c) Chromatophores

(b) Pneumatophores

(d) Heterocysts

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Answer : c

Hints & Solution

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