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2 marksSexual Reproduction in Humans

CAPE Biology Unit 1 · 2010 · Paper 2 · Question 3(a)(i)

Figure 5 is a diagram of a human sperm cell.

Identify the structures labelled I, II, III and IV. I II III IV

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Other parts of this question

  1. 3(a)(ii)State the ploidy of the nucleus of the cell shown in Figure 5.[1 mark]
  2. 3(a)(iii)State TWO reasons why a large number of mitochondria is present in the sperm cell.[2 marks]
  3. 3(a)(iv)In Figure 5, the acrosome of the male sperm is an organelle. Name the type of organelle and describe its function.[2 marks]
  4. 3(a)(v)State the name given to the ovum as it is released from the ovary.[1 mark]
  5. 3(a)(vi)In the box below, draw and annotate the structure of the ovum as it is released from the ovary.[4 marks]
  6. 3(b)Complete Table 2 by inserting yes or no, to identify the key differences between the ovum and the sperm.[2 marks]
  7. 3(c)State ONE similarity between the ovum and the sperm.[1 mark]

More practice: the rest of this paper · more Sexual Reproduction in Humans questions · all CAPE Biology Unit 1 past papers