Biology 0610 · IGCSE · Leaf structure

Leaf structure — practice question

Fig. 3.1 is a picture of several leaves on a tree.
(a)[2]

State two visible leaf features in Fig. 3.1 that are adaptations for photosynthesis.

(b(i))[4]

Fig. 3.2 is a diagram of part of a leaf cross-section. Explain how the labelled parts A, B, C and D in Fig. 3.2 help the leaf exchange gases during photosynthesis.

(b(ii))[1]

State the mineral ion name that plants require in order to make chlorophyll.

(c)[4]

Complete the sentences about transport in plants. Leaves contain [BLANK] bundles. The xylem in the bundles supports plants and carries water and [BLANK] from the [BLANK] to the leaves. Phloem in the bundles carries [BLANK] and amino acids.

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