Question

Oxygenic photosynthesis occurs in:

• A. Chlorobium
• B. Chromatium
• C. Oscillatoria
• D. Rhodospirillum

Answer 1

The correct option is C Oscillatoria

Oscillatoria is a photosynthetic cyanobacterium. In this organism, oxygenic photosynthesis takes place with water as the electron donor and oxygen as a byproduct.
Chlorobium is a green-sulfur bacteria, Chromatium is a purple sulfur bacteria and Rhodospirillum is a purple non sulfur bacteria. All three of the organisms are photo autotrophs and carry out non-oxygenic photosynthesis.