One example of chemical control and co-ordination in plants is in the breakdown of food reserves
during the germination of cereal grains, such as wheat.
(a) Fig. 3.1 is a diagram of a grain of wheat.
The numbered arrows indicate the sequence of events that occurs after the uptake of water
by the grain of wheat.
[Figure 3.1]

Q: What topic does this question test?

This question tests Control and coordination in A-Level Biology (syllabus code 9700). It is worth 16 marks.

Q: Which exam paper is this question from?

This question appeared in the Cambridge A-Level Biology Feb/Mar 2017 examination, Paper 4 Variant 2 (9700_m17_qp_42.pdf).

Question

One example of chemical control and co-ordination in plants is in the breakdown of food reserves
during the germination of cereal grains, such as wheat.
(a) Fig. 3.1 is a diagram of a grain of wheat.
The numbered arrows indicate the sequence of events that occurs after the uptake of water
by the grain of wheat.
[Figure 3.1]

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