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2 marksPhotosynthesis and ATP Synthesis

CAPE Biology Unit 2 · 2003 · Paper 1 · Question 1(c)(ii)

Figure 1 shows a graph of the amount of ATP generated by a plant plotted against light intensity.

State ONE reason why ATP production does not increase indefinitely.

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Other parts of this question

  1. 1(a)Predict, with reasons, which photosynthetic product of Plant A will contain radioactivity.[3 marks]
  2. 1(b)Predict, with reasons, which photosynthetic product of Plant B will contain radioactivity.[3 marks]
  3. 1(c)(i)From the graph in Figure 1, describe how the amount of ATP generated by the plant varies with increasing light intensity.[2 marks]

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