A seed germinates in darkness. Its root grows downwards.
Which statement explains this response?
[1]
A
the root responds negatively to gravity
B
the root responds negatively to light
C
the root responds positively to light
D
the root responds positively to gravity
Markscheme
6.3 Plant hormones Questions
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.