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Questions  

Rhodospirillum is a
 

a
purple sulphur bacteria
b
purple non-sulphur bacteria
c
green sulphur bacteria
d
green non-sulphur bacteria

detailed solution

Correct option is B

Rhodospirillum is photoheterotrophic bacteria. Photoheterotrophs obtain carbon from external organic source and energy from sunlight. Theyare pigmented and perform photosynthesis. These are purple green non-sulphur bacteria.

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Read the following statements and identify the organisms.
(a) They have chlorophyll a similar to green plants.
(b) They often form blooms in polluted water bodies.
(c) They can fix atmospheric nitrogen.


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