A grower wants all the plants in a glasshouse to be in flower on the same date for a flower show. Which treatment should the grower use?
Spray ethene on the plants so that all of their flowers ripen together
Apply auxin to the shoot tips so that the shoots grow faster and flower
Apply gibberellin to the plants so that flowering is promoted in all of them
Apply gibberellin to the plants so that flowering is delayed until the show
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.