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3.3 Plant disease

3.3 Plant disease

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Question 2
F

A tough waxy cuticle covers the surface of a leaf. What type of plant defence is the waxy cuticle?

[1]
A

A chemical defence that kills invading bacteria

B

A mechanical adaptation that deters large herbivores

C

A physical barrier that resists invading microorganisms

D

A chemical defence that poisons herbivores as they feed

Markscheme

3.3 Plant disease Questions

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

58 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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