Plants respond to light and to gravity.
Complete each sentence using a word from the list below. Each word may be used once, more than once, or not at all.
auxin chlorophyll gravitropism phototropism
The growth response of a plant to light is called ..... .
The growth response of a plant to gravity is called ..... .
The plant hormone that controls both of these growth responses is called ..... .
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.