Question

Q. Which one of the following does not produce oxygen is a product of photosynthesis?
A. Oak trees
B. Purple sulphur bacteria
C. Cyanobacteria
D. Phytoplankton ​

Answer 1

Answer:

Explanation:

B.purple sulphur bacteria is the answer.

Answer 2

heya

here is your ans

B) purple sulphur bacteria

expaination : it is a bacteria do not use water and reducing agent and therefore do not produce oxygen

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