A vertical shoot receives light from its left side.
Which change causes the shoot to bend towards the light?
cells on the right elongate more than cells on the left
cells on both sides elongate equally rapidly throughout
cells on both sides stop elongating completely together
cells on the left elongate more than cells on the right
46 exam-style questions on Edexcel GCSE Biology 6.3 Plant hormones, covering 6.3.1 Plant hormones and tropisms and 6.3.2 Commercial uses of plant hormones. Each one has a worked solution and a mark scheme showing where the marks go.