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Transpiration: CAIE IGCSE Biology questions

Every CAIE IGCSE Biology exam question on 8.3 Transpiration, June 2024 and the specimen papers, with its mark scheme and examiner’s report.

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346 questions

  1. Q17

    June 2024 · Paper 2

    1 mark8.3 Transpiration
    The whole paper ↗
    June 2024 Paper 2, question 17: When is the transpiration rate of a well-watered plant highest? A on a cool, dry, windy day B on a cool, wet, windy day C on a hot, dry, windy day D on a hot, w

  2. Q5(a)

    June 2024 · Paper 4

    3 marks8.3 Transpiration
    The whole paper ↗
    June 2024 Paper 4, question 5(a): Describe the results shown in Fig. 5.1. [3]

  3. Q5(b)

    June 2024 · Paper 4

    4 marks8.3 Transpiration
    The whole paper ↗
    June 2024 Paper 4, question 5(b): Explain reasons for the shape of the graph for the upper surface of the leaf at X and at Y in Fig. 5.1. at X at Y [4]

  4. Q5(c)

    June 2024 · Paper 4

    1 mark8.3 Transpiration6.2 Leaf structure
    The whole paper ↗
    June 2024 Paper 4, question 5(c): Suggest how the structure of the lower surface differs from the upper surface of the leaf used in this investigation. [1] [Total: 8]

  5. Q17

    Specimen · Paper 1

    1 mark8.3 Transpiration
    The whole paper ↗
    Specimen Paper 1, question 17: The diagram shows two shoots at the start of an experiment on transpiration. shoot X shoot Y spring balance 30 g 25 g oil water What are the likely readings on

  6. Q4(b)(iv)

    Specimen · Paper 3

    1 mark8.3 Transpiration
    The whole paper ↗
    Specimen Paper 3, question 4(b)(iv): State the name of the part of a leaf through which most water vapour is lost from the plant. [1] [Total: 10]

  7. Q4(c)

    Specimen · Paper 4

    3 marks8.3 Transpiration
    The whole paper ↗
    Specimen Paper 4, question 4(c): Describe and explain how a reduced concentration of water vapour in the air would increase the movement of water through crop plants. [3]
All 7 questions on Transpiration, as a list
  1. June 2024, Paper 2, Q17 (1 mark): When is the transpiration rate of a well-watered plant highest? A on a cool, dry, windy day B on a cool, wet, windy day C on a hot, dry, windy day D on a hot, w
  2. June 2024, Paper 4, Q5(a) (3 marks): Describe the results shown in Fig. 5.1. [3]
  3. June 2024, Paper 4, Q5(b) (4 marks): Explain reasons for the shape of the graph for the upper surface of the leaf at X and at Y in Fig. 5.1. at X at Y [4]
  4. June 2024, Paper 4, Q5(c) (1 mark): Suggest how the structure of the lower surface differs from the upper surface of the leaf used in this investigation. [1] [Total: 8]
  5. Specimen, Paper 1, Q17 (1 mark): The diagram shows two shoots at the start of an experiment on transpiration. shoot X shoot Y spring balance 30 g 25 g oil water What are the likely readings on
  6. Specimen, Paper 3, Q4(b)(iv) (1 mark): State the name of the part of a leaf through which most water vapour is lost from the plant. [1] [Total: 10]
  7. Specimen, Paper 4, Q4(c) (3 marks): Describe and explain how a reduced concentration of water vapour in the air would increase the movement of water through crop plants. [3]

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