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In photosynthesis oxygen comes from

In photosynthesis, oxygen comes from

Options

(a) soil
(b) atmosphere
(c) water
(d) carbon dioxide

Correct Answer:

water

Explanation:

During non-cyclic photophosphorylation photolysis of water, release of O₂ and formation of NADPH takes place, while ATP is synthesized in both the cyclic as well as non-cyclic photophosphorylations. In cyclic photophosphorylation, while passing between ferredoxin and plastoquinone and or over the cytochrome complex, the electron loses sufficient energy to form ATP from ADP and inorganic phosphate. In non-cyclic photophosphorylation, while passing over cytochrome complex, the electrons losses sufficient e

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