Multiple choice

Which of the following conditions is 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 three essential components: sunlight as the energy source, chlorophyll to capture light energy, and carbon dioxide plus water as raw materials. All these conditions are necessary for the process to occur, making D the correct answer.

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