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3.3 Plant disease

3.3 Plant disease

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Question 12
H

An infected plant is taken to a laboratory. How is the pathogen usually identified there?

[1]
A

The leaves are compared with photographs in a gardening manual

B

The DNA in the sample is analysed and matched to a known pathogen

C

The plant is grown in fresh soil until the signs of disease return

D

The plant is sprayed with a pesticide to remove any pests present

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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