CAIE IGCSE Biology 3.3.2 Importance of Active Transport Questions
Practise explaining how cells use active transport to absorb ions or molecules across membranes.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- explain how active transport enables uptake across membranes against a concentration gradient
- explain why active uptake depends on energy from respiration
CAIE IGCSE Biology 3.3.2 Importance of Active Transport Questions question 1
[Maximum number: 3]
Explain why active transport is important in root hair cells.
any three from:
for ion, uptake / absorption ;
ion concentration lower in the soil than in the root (cell) / AW ;
movement against the concentration gradient / AW ;
creates a water potential gradient / AW ;
named example of ion e.g. nitrate / magnesium ;
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