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Learning objective

Explain that the extensive surface area of root hairs enhances the absorption of water and minerals.

Read the explanation, check the common trap, then practise with flashcards and questions.

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE BiologyTransport in plantsCore content

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Quick explanation

Explain that the extensive surface area of root hairs enhances the absorption of water and minerals

  • This point belongs to Water uptake, especially Water uptake outcomes.
  • You need to be able to explain that the extensive surface area of root hairs enhances the absorption of water and minerals.
  • The key ideas to know are State.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

State

Why it matters

This objective helps connect Water uptake outcomes to exam-style questions, flashcards, and revision notes for Water uptake.

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Practice Questions7 linked questions

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Paper 3 structured question: Water uptake

Paper 3Theory (Core)2 marks

Diagram Description

Root Hair Diagram

A diagram shows a root with many small root hairs extending into the soil.

  1. a

    State why the extensive surface area of root hairs helps the plant.

    Aim for approximately 2 distinct marking points.

    [2]
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Cambridge IGCSEBiology resources