Biology 5090 · O Level · Sexual reproduction in plants

Sexual reproduction in plants — practice question

The diagram shows a seed (Fig. 1) together with a plant that is developing from it (Fig. 2).
(a(i))[2]

Name two structures that can be seen in Fig. 2 but cannot be seen in Fig. 1.

(a(ii))[4]

Name the process shown by the arrow between Fig. 1 and Fig. 2. Explain how enzymes are used in this process.

(b)[2]

An experiment shows that the growth of a plant from a seed becomes faster as temperature rises up to $35^\circ\text{C}$. Explain how the development of a plant from a seed would be affected by a temperature much higher than $35^\circ\text{C}$.

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