NEET Botany Biological Classification Questions Solved

NEET - 2009

Oxygenic photosynthesis occurs in

(1) Chromatium

(2) Oscillatoria

(3) Rhodospirillum

(4) Chlorobium

Audio Explanation:


(2) Oscillatoria is a photosynthetic cyanobacterium. In this, during photosynthesis water is electron donor and oxygen is a by-product, i.e., oxygenic phorosynthesis occurs. Rhodospirillum and Chlorobium are non-oxygenic photosynthetic, purple non-sulphur and green-sulphur bacteria.

Chromatium is purple sulphur bacterium, also a non-oxygenic photosynthetic.

 

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