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6.3 Plant hormones

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Question 26
H

A grower tests gibberellin on dormant seeds. The table shows the results after five days.

Table

TreatmentSeeds testedSeeds germinated
Water8020
Gibberellin solution12090

Which statement correctly compares the percentages that germinated?

[1]
A

gibberellin gave 90%, which is three times the control percentage

B

gibberellin gave 75%, which is four times the control percentage

C

gibberellin gave 75%, which is three times the control percentage

D

gibberellin gave 90%, which is four times the control percentage

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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