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6.3 Plant hormones

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Question 49
F

A young root is placed horizontally. Auxin accumulates on its lower side.

What is the effect of this increased auxin concentration?

[1]
A

less elongation on the upper side of the root

B

more elongation on the lower side of the root

C

equal elongation on the two sides of the root

D

less elongation on the lower side of the root

Markscheme

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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