A vertical shoot is illuminated from the right. Its tip is covered with a transparent cap. The cap allows light to reach the tip and does not restrict growth.
Which response is expected?
it bends right as cells on the left elongate faster
it bends left as cells on the right elongate faster
it bends left as cells on the left elongate faster
it bends right as cells on the right elongate faster
105 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.