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6.3 Plant hormones

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Question 3

A botanic garden uses auxin rooting powder when propagating a climbing plant. In a trial, 75% of 180 treated stem cuttings form roots.

How many treated cuttings are expected not to form roots?

[1]
A

105105105 cuttings

B

252525 cuttings

C

454545 cuttings

D

757575 cuttings

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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