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6.3 Plant hormones

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Question 22
F

A student investigates whether a shoot tip detects light. Identical opaque caps are placed over either the tip or a lower section of different shoots. The caps do not restrict growth. All shoots receive light from the left.

Which result supports detection of light by the tip?

[1]
A

covered tips grow straight; covered lower sections bend right

B

covered tips bend right; covered lower sections grow straight

C

covered tips bend left; covered lower sections grow straight

D

covered tips grow straight; covered lower sections bend left

Markscheme

6.3 Plant hormones Questions

  1. GCSE
  2. /Biology
  3. /6.3 Plant hormones

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.

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