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3 marksReproduction in Plants

CAPE Biology Unit 1 · 2003 · Paper 2 · Question 2(a)

Figure 1 is a photograph of the embryo sac of a flowering plant, showing nuclear division.

Make an accurate drawing of the upper group of chromosomes in Figure 1 above, which are opposite to the micropylar end. Your drawing of the group of chromosomes should be THREE times larger than the group in the photograph.

This question uses a figure or table from the paper — you'll see it when you practise.

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Other parts of this question

  1. 2(a)(ii)State the TYPE of division and the STAGE shown in Figure 1 on page 6.[1 mark]
  2. 2(b)What happens to the layer labelled L in Figure 1 on page 6, after fertilization?[1 mark]
  3. 2(c)Complete the drawing below to show the contents of the ovary, and indicate by means of a rectangle drawn to scale, in ink, where the photograph of Figure 1…[3 marks]
  4. 2(d)Explain how the 6 nucleoli arise in this nucleus.[2 marks]

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