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6.3 Plant hormones

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Question 23

A researcher places a young root horizontally in a dark container. The root begins to curve downwards.

Explain why the root curves downwards.

[3]
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6.3 Plant hormones Questions

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

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.

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