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CAIE A-Level Biology 7.1 Structure of Transport Tissues Question Bank

Practise plant-transport tissue questions by reading dicot root, stem and leaf sections, then linking xylem and phloem cell structure to function.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • identify xylem and phloem distribution in root, stem and leaf transverse sections
  • label xylem vessel elements, sieve tube elements, companion cells and sieve plates
  • link lignin, hollow vessels, pits and companion cells to water or assimilate transport

Covered syllabus points

7.1.1—Plan diagrams of transverse sections7.1.2—Xylem and phloem distribution7.1.3—Xylem and phloem cell drawings7.1.4—Structure and function

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