Biology 0610 · IGCSE · Photosynthesis

Photosynthesis — practice question

The graph illustrates how the rate of photosynthesis changes as light intensity increases. At what point is light intensity a limiting factor in photosynthesis?

  • Abetween 1 and 2
  • Bbetween 1 and 3
  • Cbetween 2 and 4
  • Dbetween 3 and 4

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