Biology 5090 · O Level · Sexual reproduction in plants

Sexual reproduction in plants — practice question

The diagram illustrates a cross-section of an insect-pollinated flower.
(a)[6]

Complete the table by giving the names of structures P, Q and R and one function for each structure.

(b(i))[2]

Describe the surface of a pollen grain from an insect-pollinated flower. Explain how this feature helps in insect-pollination.

(b(ii))[2]

Explain how a pollen grain from a wind-pollinated flower is suited to pollination.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: P: anther → produces pollen / releases pollen

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