CAIE IGCSE Biology 8.1.3 Relate the Structure of Xylem Vessels Questions
Practise explaining how lignified thick walls, empty vessels and open end-to-end tubes help xylem support plants and carry water.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- Explain how thick lignified walls support xylem and prevent vessels from collapsing.
- Explain how empty vessels joined into continuous tubes with no cross-walls carry water.
CAIE IGCSE Biology 8.1.3 Relate the Structure of Xylem Vessels Questions question 1
Fig. 3.3 is a photomicrograph of a cross-section of part of a xerophyte leaf.
Fig. 3.3
Describe two ways the structure labelled B in Fig. 3.3 is adapted for its function.
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