Gibberellins and ethene are two plant hormones.
Give the effect of gibberellins on seeds.
Give two processes in a plant that are controlled by ethene.
A ripe apple is sealed in a plastic bag with three unripe pears. The pears ripen faster than pears left in the open air. Suggest why.
59 exam-style questions on AQA GCSE Biology 5.4 Plant hormones, covering 5.4.1 Control and coordination and 5.4.2 Use of plant hormones (HT only). Each one has a worked solution and a mark scheme showing where the marks go.