In the process of photosynthesis, O2 gas is released from:
A
CO2
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B
H2O
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C
both H2O and CO2
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D
mechanism is not confirmed
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Solution
The correct option is BH2O During photosynthesis oxygen is produced from water and not carbon dioxide. Water splits into its components oxygen and hydrogen in which hydrogen is then used for making glucose or sugars and oxygen is released into the atmosphere.