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Exam-style practice

Diffusion answer explanations

Review worked answers and explanations for Diffusion. Aligned to Cambridge IGCSE Biology.

Answer explanations

Question 1 of 10

Review the answer support, then move sideways through the set.

Paper 3 structured question: Diffusion

Paper 3Theory (Core)2 marks

Description

Diffusion process

Particles move from an area of higher concentration to an area of lower concentration due to their random motion.

  1. a

    Describe what causes particles to move during diffusion.

    [2]