CAIE A-Level Biology 7.1.3 Xylem & Phloem Cell Drawings
Practise identifying, drawing and labelling xylem vessel elements, sieve tube elements and companion cells in plant tissues.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- AS
Exam points
- identify xylem vessels, sieve tube elements and companion cells in sections or micrographs
- draw clear cell outlines without shading and label sieve plates or thickened walls accurately
- distinguish transport cells by end walls, lumen, cytoplasm and association with companion cells
