Multiple choice

Which of the following conditions is/are necessary for photosynthesis?

  1. Sunlight

  2. Chlorophyll

  3. Carbon dioxide and water

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Photosynthesis requires sunlight as an energy source, chlorophyll to capture that light, and carbon dioxide and water as raw materials to produce glucose and oxygen.

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