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3.3 Plant disease

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Question 7

A sensitive plant has a waxy cuticle covering its leaves. When an insect touches a leaf, the leaf folds and dislodges the insect. Which two types of defence are shown by these features?

[1]
A

Waxy cuticle: physical; leaf folding: mechanical

B

Waxy cuticle: mechanical; leaf folding: physical

C

Waxy cuticle: chemical; leaf folding: physical

D

Waxy cuticle: mechanical; leaf folding: chemical

Markscheme

3.3 Plant disease Questions

  1. GCSE
  2. /Biology
  3. /3.3 Plant disease

133 exam-style questions on AQA GCSE Biology 3.3 Plant disease, covering 3.3.1 Detection and identification of plant diseases and 3.3.2 Plant defence responses. Each one has a worked solution and a mark scheme showing where the marks go.

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