logo

Cambridge IGCSE Combined Science practice

Paper 3 structured question: Diffusion

Try the question first, then check the answer and practise the same topic again.

Attempt questionDiffusion revisionRevise the key idea

At a glance

3

Paper

3

Marks

Topic

Diffusion

Exam-style question

Try this first

Paper 3Theory (Core)3 marks

Diffusion is a key process in living organisms, affecting how substances move in and out of cells.

Description

Diffusion in Cells

Diffusion allows essential gases and nutrients to enter cells while enabling waste products to exit. This process is vital for maintaining cellular functions and homeostasis.

  1. a

    Explain the significance of diffusion in living organisms.

    Aim for approximately 3 distinct marking points.

    [3]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 3 structured question: Diffusion

Paper 3Theory (Core)4 marks

Description

Role of Diffusion

Diffusion plays a critical role in various biological functions, including respiration and nutrient absorption.

  1. a

    Discuss the factors that affect the rate of diffusion in living organisms.

    Aim for approximately 4 distinct marking points.

    [4]