A bean seed is planted upside down in soil in a dark cupboard. How do the root and the shoot of the seedling grow?
The root grows away from gravity and the shoot grows towards gravity
The root and the shoot both grow towards the force of gravity
The root and the shoot both grow away from the force of gravity
The root grows towards gravity and the shoot grows away from gravity
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.