Skip to content

Course home

Sign up

5.2 Plant and body defences

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435
Question 23
F

A student makes two statements about airway defences.

Statement 1: Mucus traps pathogens.

Statement 2: Cilia kill the trapped pathogens by releasing hydrochloric acid.

Which assessment is correct?

[1]
A

statement 1 is correct; cilia digest bacterial cell walls

B

statement 1 is incorrect; cilia move mucus towards the throat

C

statement 1 is correct; cilia move mucus towards the throat

D

statement 1 is incorrect; cilia digest bacterial cell walls

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.

Question bank