plumiStructure of transport tissues: CAIE A‑Level Biology questions
Every CAIE A-Level Biology exam question on 7.1 Structure of transport tissues, June 2024 and the specimen papers, with its mark scheme and examiner’s report.
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Q5(b)
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All 5 questions on Structure of transport tissues, as a list
- June 2024, Paper 1, Q24 (1 mark): The electron micrograph shows a longitudinal section of part of the stem of a plant. X What is the name of the structure labelled X? A companion cell B Casparia
- June 2024, Paper 1, Q25 (1 mark): Which substance makes xylem vessel walls impermeable to water? A cellulose B lignin C suberin D collagen
- June 2024, Paper 2, Q5(b) (4 marks): Fig. 5.2 shows part of a plant of N. oleander. Fig. 5.2 Fig. 5.3 shows a cross‑section of part of an oleander leaf. N Fig. 5.3 17 Fig. 5.4 is a drawing of a hig
- Specimen, Paper 1, Q28 (1 mark): The diagrams represent transverse sections of three plant organs. 2 4 5 6 1 3 root stem leaf Which row is correct for phloem? root stem leaf A 1 3 5 B 1 4 6 C 2
- Specimen, Paper 1, Q31 (1 mark): The photomicrograph is a transverse section of a leaf. 5 4 1 3 2 Which labelled features are characteristic adaptations of many xerophytes? A 1, 3, 4 and 5 B 1,
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