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1 markAnatomy and Physiology

CSEC Agricultural Science · May/June 2008 · Paper 2 · Question 4(b)(i)

Students conduct a photosynthesis experiment: a potted plant is placed in a dark cupboard for 3 days, then two leaves are covered with foil and the plant is placed in sunlight for 3 days before testing leaves for starch.

Why is the potted plant put in a dark cupboard?

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Other parts of this question

  1. 4(a)Identify the structures labelled A and B in Figure 1 showing a cross-section of a monocotyledonous stem.[2 marks]
  2. 4(b)(ii)State the results of the test for starch on the covered leaves.[1 mark]

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