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6.3 Plant hormones

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Question 33
H

A nursery treats 200 cuttings with an auxin powder. The percentage forming roots increases from 45% without treatment to 80% with treatment.

How many additional rooted cuttings does the treatment produce from 200 cuttings?

[1]
A

353535 cuttings

B

909090 cuttings

C

160160160 cuttings

D

707070 cuttings

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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