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CAIE IGCSE Biology 8.2.1 Root Hair Cells & Their Functions

Practise identifying root hair cells on root diagrams, then explaining how their position and long projection help absorb water and mineral ions from soil.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • identify a root hair as a long projection of a root epidermal cell in diagrams
  • link many root hairs and large root surface area to water and mineral-ion uptake
  • explain nitrate uptake by root hairs using active transport across membranes

8.2.1—Root hair cells and state their question 1

[Maximum number: 1]

The diagram shows a bean seedling soon after it has germinated.
Where is most water absorbed?

Figure for Question 8.2.1—Root hair cells and state their question 1 — CAIE IGCSE Biology
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