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12 marksSexual Reproduction in Humans

CAPE Biology Unit 1 · May/June 2024 · Paper 2 · Question 3(c)

Structure and function of the human placenta.

Discuss how the structure of the human placenta enables it to carry out its functions of protection, production and transport. Present your response in complete paragraphs under the headings: Protection, Production, and Transport.

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Other parts of this question

  1. 3(a)(i)Identify the structures labelled U, V and W on the young ovule in Figure 5.[3 marks]
  2. 3(a)(ii)Describe EACH of the processes labelled X and Y in Figure 5.[4 marks]
  3. 3(a)(iii)On the diagram in Figure 5 on page 20, complete the diagram by drawing the nuclei in their correct positions in the developed embryo sac represented at Z.[3 marks]
  4. 3(b)(i)Draw a diagram of the germinating lily pollen shown in Figure 6 in the space provided.[5 marks]
  5. 3(b)(ii)Figure 6 shows the first of a sequence of events that occurs from pollination to fertilization in plants. Explain the importance of the pollen tube in…[3 marks]

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