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3.3 Plant disease

3.3 Plant disease

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Question 7
F

An aphid pushes its sharp mouthparts into the stem of a bean plant and feeds on the sap. From which tissue does the aphid take the sap, and what does this sap mainly contain?

[1]
A

Xylem, and the sap it takes mainly contains mineral ions

B

Xylem, and the sap it takes mainly contains dissolved sugars

C

Phloem, and the sap it takes mainly contains dissolved sugars

D

Phloem, and the sap it takes mainly contains mineral ions

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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