Question

What is the source of oxygen realsed during the process of photosynthesis

Answer 1

Photosynthesis is the process by which green plants (containing chlorophyll) convert solar energy to chemical energy of food. The process can be represented by the following chemical reaction:

In this process, carbon dioxide and water react, in presence of sunlight, to generate glucose molecules and oxygen. Thus, the source of oxygen from plants is the chemical reaction of photosynthesis, which has CO2 and water as the reactants. Since sunlight is a required ingredient of this process, photosynthesis can only take place during sunlight hours and not after dark. Thus, plants will not generate any oxygen during non-photosynthesis hours. In fact, they will consume oxygen during these hours (and all the other hours) for the process of cellular respiration.

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Answer 2

chemical reaction at the time of photosynthesis is the origin of Oxygen in plants.