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2 marksSexual Reproduction in Humans

CAPE Biology Unit 1 · May/June 2026 · Paper 2 · Question 3(a)(ii)

Figure 5 shows a light micrograph of a section through a testis showing part of a seminiferous tubule.

State TWO parts of the sperm cell that will enter the interior of the oocyte during fertilization.

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Other parts of this question

  1. 3(a)(i)Identify the FOUR cells labelled S, T, U, and V in Figure 5.[4 marks]
  2. 3(a)(iii)In the box provided, draw a diagram of the section of the seminiferous tubule shown in the boxed area in Figure 5.[5 marks]
  3. 3(a)(iv)Describe the changes a sperm undergoes during its journey in the female tract to prepare for fertilization: Capacitation and Acrosomal reaction.[4 marks]
  4. 3(b)(i)Based on the results shown in Figure 6, state whether or not the CuIUD would be effective in preventing unwanted pregnancies, giving one reason to support your…[2 marks]
  5. 3(b)(ii)Based on the results of the study and additional observations of tissue inflammation and post-removal fertility, state TWO possible conclusions regarding the…[4 marks]
  6. 3(c)Discuss how the stages shown in Figure 7 lead to the development of the seed coat, endosperm, and embryo after fertilization. Present your response in complete…[9 marks]

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