CAIE IGCSE Biology 11.1.11 Role of Goblet Cells Mucus Questions
Practise explaining how goblet cells secrete mucus to trap particles and pathogens, then how cilia move it towards the throat.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- state that goblet cells secrete mucus which traps particles and pathogens
- explain how cilia waft mucus containing trapped particles away from gas-exchange surfaces towards the throat
- explain how thicker, stickier mucus can narrow airways and reduce oxygen delivery and aerobic energy during exercise
CAIE IGCSE Biology 11.1.11 Role of Goblet Cells Mucus Questions question 1
[Maximum number: 1]
A scientist measured the number of dust particles in inspired air and in expired air.
They found fewer dust particles in expired air.
Suggest a reason for their observation.
any one from:
trapped in nose hairs ;
trapped in mucus ;
All question bank results loaded