Biology 0610 · IGCSE · Translocation

Translocation — practice question

Fig. 2.1 displays part of a cross-section through the stem of a young sunflower plant.
(a)[2]

Draw a circle around one vascular bundle on Fig. 2.1. Mark the xylem in the vascular bundle with the letter X.

(b)[3]

Explain how the cells in area Y can support the stem so that it remains upright.

(c)[5]

Describe and explain the impact of removing the phloem on sucrose translocation in plants Q, R, S and T. The results are shown in Table 2.1.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: A diagram of one whole vascular bundle that includes xylem and phloem

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