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Q:

Which of the following gas is used by plants in photosynthesis?

  • 1
    Ammonia
  • 2
    Carbon dioxide
  • 3
    Tylen
  • 4
    Pepsin
  • Show Answer
  • Workspace

Answer : 2. "Carbon dioxide"
Explanation :

The correct answer is Carbon dioxide. Carbon dioxide gas is needed for photosynthesis. The raw materials required for photosynthesis are carbon dioxide, water, and sunlight primarily. Plants take in carbon dioxide (CO2) and water (H2O) from the air and soil during photosynthesis.

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