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The circulatory system: CAIE A‑Level Biology questions

Every CAIE A-Level Biology exam question on 8.1 The circulatory system, June 2024 and the specimen papers, with its mark scheme and examiner’s report.

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240 questions

  1. Q2(b)(i)

    June 2024 · Paper 2

    1 mark8.1 The circulatory system
    The whole paper ↗
    June 2024 Paper 2, question 2(b)(i): Complete Fig. 2.1 by naming P and Q. Write your answers on Fig. 2.1. [1]

  2. Q2(b)(ii)

    June 2024 · Paper 2

    2 marks8.1 The circulatory system
    The whole paper ↗
    June 2024 Paper 2, question 2(b)(ii): Describe the functions of P and Q. [2]

  3. Q2(b)(iii)

    June 2024 · Paper 2

    2 marks8.1 The circulatory system
    The whole paper ↗
    June 2024 Paper 2, question 2(b)(iii): Explain why the mammalian circulation is described as a closed, double circulation. [2]

  4. Q2(c)(i)

    June 2024 · Paper 2

    2 marks8.1 The circulatory system
    The whole paper ↗
    June 2024 Paper 2, question 2(c)(i): Explain why it is important that the pressure of blood decreases as it passes through arterioles. [2]

  5. Q2(c)(ii)

    June 2024 · Paper 2

    3 marks8.1 The circulatory system
    The whole paper ↗
    June 2024 Paper 2, question 2(c)(ii): Compare the structure of a muscular artery with the structure of the arteriole shown in Fig. 2.2. [3] [Total: 13]

  6. Q34

    Specimen · Paper 1

    1 mark8.1 The circulatory system
    The whole paper ↗
    Specimen Paper 1, question 34: Which features allow the aorta to withstand high blood pressures? A collagen fibres and elastin fibres B collagen fibres and smooth muscle C elastin fibres and

  7. Q35

    Specimen · Paper 1

    1 mark8.1 The circulatory system
    The whole paper ↗
    Specimen Paper 1, question 35: Which row is correct for the pulmonary artery? blood carried thickness of wall lumen size A oxygenated thin large B oxygenated thick small C deoxygenated thin l

  8. Q5(b)(i)

    Specimen · Paper 2

    1 mark8.1 The circulatory system
    The whole paper ↗
    Specimen Paper 2, question 5(b)(i): Complete Fig. 5.1 by stating the type of blood vessel indicated by D, E and F. [1]

  9. Q5(b)(ii)

    Specimen · Paper 2

    2 marks8.1 The circulatory system
    The whole paper ↗
    Specimen Paper 2, question 5(b)(ii): The inner layer of the walls of D and E is composed of endothelial tissue. List two structural features of endothelial tissue. 1 2 [2] [Total: 6]
All 9 questions on The circulatory system, as a list
  1. June 2024, Paper 2, Q2(b)(i) (1 mark): Complete Fig. 2.1 by naming P and Q. Write your answers on Fig. 2.1. [1]
  2. June 2024, Paper 2, Q2(b)(ii) (2 marks): Describe the functions of P and Q. [2]
  3. June 2024, Paper 2, Q2(b)(iii) (2 marks): Explain why the mammalian circulation is described as a closed, double circulation. [2]
  4. June 2024, Paper 2, Q2(c)(i) (2 marks): Explain why it is important that the pressure of blood decreases as it passes through arterioles. [2]
  5. June 2024, Paper 2, Q2(c)(ii) (3 marks): Compare the structure of a muscular artery with the structure of the arteriole shown in Fig. 2.2. [3] [Total: 13]
  6. Specimen, Paper 1, Q34 (1 mark): Which features allow the aorta to withstand high blood pressures? A collagen fibres and elastin fibres B collagen fibres and smooth muscle C elastin fibres and
  7. Specimen, Paper 1, Q35 (1 mark): Which row is correct for the pulmonary artery? blood carried thickness of wall lumen size A oxygenated thin large B oxygenated thick small C deoxygenated thin l
  8. Specimen, Paper 2, Q5(b)(i) (1 mark): Complete Fig. 5.1 by stating the type of blood vessel indicated by D, E and F. [1]
  9. Specimen, Paper 2, Q5(b)(ii) (2 marks): The inner layer of the walls of D and E is composed of endothelial tissue. List two structural features of endothelial tissue. 1 2 [2] [Total: 6]

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