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CAIE IGCSE Biology 8.1.2 Xylem & phloem positions

Practise locating xylem and phloem in root, stem and leaf sections by reading labelled diagrams, photomicrographs and vascular-bundle positions.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • label xylem or phloem in root, stem and leaf sections using letters or label lines
  • use vascular-bundle position to distinguish xylem from phloem in diagrams
  • recognise dicotyledonous stem bundles arranged in a ring rather than scattered

8.1.2—Xylem and phloem positions question 1

[Maximum number: 3]

Phloem is used to transport sucrose and amino acids in plants. Sucrose is a carbohydrate.

Fig. 2.1 shows a diagram of a plant. The arrows point to circles containing magnified cross-sections of those parts of the plant.

Fig. 2.1

Fig. 2.1

Label the position of the phloem in each of the three magnified sections in Fig. 2.1.
Use a label line and the letter P for each section.

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