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5.4 Plant hormones

5.4 Plant hormones

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Question 26
H

A grower wants all the plants in a glasshouse to be in flower on the same date for a flower show. Which treatment should the grower use?

[1]
A

Spray ethene on the plants so that all of their flowers ripen together

B

Apply auxin to the shoot tips so that the shoots grow faster and flower

C

Apply gibberellin to the plants so that flowering is promoted in all of them

D

Apply gibberellin to the plants so that flowering is delayed until the show

  • 1
Markscheme

5.4 Plant hormones Questions

  1. GCSE
  2. /Biology
  3. /5.4 Plant hormones

59 exam-style questions on AQA GCSE Biology 5.4 Plant hormones, covering 5.4.1 Control and coordination and 5.4.2 Use of plant hormones (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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