Question

The source of oxygen, liberated during photosynthesis is from

A

Photosynthetic enzyme.

B

Carbohydrate present in leaf.

C

Water.

D

Carbon dioxide.

Medium
Solution
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Correct option is C)

Oxygen is produced by photolysis of water. This photolysis of water is brought about by the light, usually sunlight. Photolysis is a part of the light-dependent reactions of photosynthesis. The electrons released during the photolysis is picked up by the photosystem I during light reaction.
So, the correct answer is option C.

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