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5.2 Plant and body defences

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Question 3
F

A person has a cut in their skin. Why does this increase the risk of infection at the cut?

[1]
A

pathogens can produce more acid on the broken surface

B

pathogens can pass through the broken physical barrier

C

pathogens can stop cilia moving on the broken surface

D

pathogens can remove cellulose from the broken barrier

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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