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5.2 Plant and body defences

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Question 13
F

The table shows the effect of equal amounts of two plant chemicals in separate tests.

Table

ChemicalBacterial growth compared with a controlLeaf area eaten compared with a control
Preducedunchanged
Qunchangedreduced

Which statement is supported by both results?

[1]
A

P deters feeding, whereas Q acts against bacteria

B

P and Q both act against bacteria in these tests

C

P and Q both deter feeding animals in these tests

D

P acts against bacteria, whereas Q deters feeding

Markscheme

5.2 Plant and body defences Questions

  1. GCSE
  2. /Biology
  3. /5.2 Plant and body defences

45 exam-style questions on Edexcel GCSE Biology 5.2 Plant and body defences, covering 5.2.1 Physical plant defences, 5.2.2 Chemical plant defences, 5.2.3 Detecting plant diseases, and 5.2.4 Human physical and chemical defences. Each one has a worked solution and a mark scheme showing where the marks go.

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