What is the by-product of bacterial photosynthesis?
A
O2
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B
H2O
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C
S
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D
H2S
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Solution
The correct option is A S Oxygenic photosynthetic bacteria perform photosynthesis similar to plants. They release oxygen as the by-product. Cyanobacteria are the only oxygenic photosynthetic bacteria. Anoxygenic photosynthetic bacteria perform photosynthesis that can be distinguished from other oxygenic photosynthesis by the nature of the byproduct produced. In anoxygenic bacterial photosynthesis, by product is elemental sulfur instead of molecular oxygen. Purple bacteria and green sulfur bacteria shows bacterial photosynthesis.