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Biology
Grade-9
Easy
Question
Which is the most important by-product photosynthesis?
Carbon dioxide
Methane
Oxygen
Water
Hint:
Oxygen
The correct answer is: Oxygen
During photosynthesis, light energy converts carbon dioxide and water into glucose and oxygen. Photosynthesis is the process by which plants use sunlight, water and carbon dioxide to create Oxygen and energy in the form of sugar.