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6.3 Plant hormones

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Question 21
F

A shoot has grown towards a lamp on its left. The lamp is moved to the right. The growing tip remains able to respond to light.

Which change is expected in the new growth?

[1]
A

auxin accumulates on the left and new growth bends right

B

auxin accumulates on the right and new growth bends left

C

auxin accumulates on the left and new growth bends left

D

auxin accumulates on the right and new growth bends right

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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