Biology
Grade-10
Easy

Question

The oxygen in glucose comes from _______ during photosynthesis.

  1. Carbon dioxide 
  2. (CO2) Water
  3. Both water and carbon dioxide are used.
  4. Sunlight

hintHint:

The gas that is release during respiration.

The correct answer is: Carbon dioxide


    • 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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