1.6 Diffusion (Year 10 Biology)

The following test is covering '1.6 Diffusion' for Year 10 Biology.

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Question 1

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Substances such as glucose and oxygen move into cells by:

Molecules or ions in diffusion move:

Particles diffuse across:

What is the term for the difference in concentration between two areas?

Particles move randomly until they are:

What process allows oxygen to pass from alveoli into blood?

Which statement describes net movement of particles?