Quelpr
4 marksSexual Reproduction in Humans

CAPE Biology Unit 1 · 2008 · Paper 2 · Question 3(c)(i)

Table 4 shows the results of an experiment investigating the influence of sperm velocity on fertilisation in the freshly diluted sperm of the sea urchin, Lytechinus variegatus.

On the graph grid on page 11, plot a graph to show the relationship between sperm velocity and fertilisation.

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. 3(a)(i)State FOUR structural differences observed between the ovum and the sperm.[4 marks]
  2. 3(a)(ii)Based on features observed, comment, using two points, on how the ovum and the sperm are suited to their respective functions.[4 marks]
  3. 3(b)Explain why some scientists regard the ovum at the stage shown in Figure 3, to be a secondary oocyte.[2 marks]
  4. 3(c)(ii)Suggest a likely conclusion from the findings of this experiment.[1 mark]

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