Biology
Grade-10
Easy

Question

____ is a by-product of photosynthesis.

  1. CO2
  2. O2
  3. Energy
  4. Sugar

hintHint:

The gas that is required for the survival of humans.

The correct answer is: O2


    • Oxygen is the by product of photosynthesis
    • Photosynthesis is the process by which plants take carbon dioxide and water and convert them into food and release oxygen in the presence of sunlight
    • During the process, water is oxidized and carbon dioxide gets reduced
    • As a result, water is converted to oxygen and carbon dioxide is converted into glucose or sugar

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