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1.1 Cells and cell structure

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Question 5
F

The airways leading to the lungs are lined with ciliated epithelial cells. Other cells in the lining of the airways make mucus.

a.

Describe the function of the cilia on ciliated epithelial cells.

[2]
b.

Chemicals in cigarette smoke stop the cilia from moving. Explain why smokers are more likely to get chest infections.

[3]
Markscheme

1.1 Cells and cell structure Questions

  1. GCSE
  2. /Biology
  3. /1.1 Cells and cell structure

41 exam-style questions on Edexcel GCSE Biology 1.1 Cells and cell structure, covering 1.1.1 Sub-cellular structures and functions, 1.1.2 Specialised cells and their adaptations, and 1.1.3 Microscope technology and cell structures. Each one has a worked solution and a mark scheme showing where the marks go.

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