GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The oxygen in photosynthesis is released from:
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CO2
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H2O
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Both CO2 and H2O
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Chlorophyll
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Explanation:
Detailed explanation-1: -Photosynthesis is the process by which green plants synthesize glucose by utilizing carbon dioxide and water in the presence of chlorophyll and sunlight. The splitting of water H2O molecules into a hydrogen ion H+ and hydroxide ions OH occurs during photolysis. These hydroxide ions OH react to produce oxygen gas O2.
Detailed explanation-2: -Thus, water (H2O) is the source of oxygen released during photosynthesis.
Detailed explanation-3: -Water molecules split during photosynthesis to generate oxygen and hydrogen ions. As a result, plants expel oxygen, which is then used to reduce carbon dioxide and produce carbohydrates.
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