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6 marksSexual Reproduction in Humans

CAPE Biology Unit 1 · May/June 2025 · Paper 2 · Question 3(b)(i)

Development of a male contraceptive pill targeting sperm motility.

Explain ONE possible positive implication and ONE possible negative implication of the use of this contraceptive method in preventing unwanted pregnancy.

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Other parts of this question

  1. 3(a)(i)Name the structure labelled X in Figure 5.[1 mark]
  2. 3(a)(ii)Outline THREE ways in which the endosperm contributes to the development of the seed.[6 marks]
  3. 3(a)(iii)List THREE advantages of sexual reproduction in plants.[3 marks]
  4. 3(b)(ii)Recommend ONE way in which the pill may be improved to ensure that it prevents unwanted pregnancies.[1 mark]
  5. 3(c)(i)On the grid provided on page 23, plot a line graph to show the change in levels of oestrogen and progesterone during Jennifer's menstrual cycle.[5 marks]
  6. 3(c)(ii)Discuss the likelihood of EACH woman becoming pregnant based on the quantity of hormones produced as shown in Table 3 on page 22 in complete paragraphs.[8 marks]

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