2. Form and Function

Diffusion — Quiz

Test your understanding of diffusion with 5 practice questions.

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Practice Questions

Question 1

What is diffusion?

Question 2

Which statement best describes the direction of net diffusion?

Question 3

Which factor would generally increase the rate of diffusion?

Question 4

Why is a cell membrane important for diffusion?

Question 5

Which substance commonly enters cells by diffusion during gas exchange?
Diffusion Quiz — IB Biology SL | A-Warded