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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Diffusion (GCSE Biology)

The following is a GCSE Biology test covering 'Diffusion' from the broader topic Cell Biology. The test is geared towards the AQA exam board style syllabus.
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Which of the following changes would decrease the rate of diffusion of a dissolved ion across a membrane?
How does increasing temperature typically affect diffusion in cells?
Which statement is true about diffusion and active transport?
Why do single-celled organisms rely on diffusion for exchange with the environment?
Which statement about diffusion through a membrane with protein channels is correct?
Which property of gases makes diffusion in air faster than diffusion in liquids?
Which method would best demonstrate diffusion of a soluble dye in water?
How does increasing concentration of solute outside a cell affect water movement by osmosis?
Which experimental change would test the effect of surface area on diffusion rate using agar cubes?
Across which structure does diffusion of oxygen into a cell typically occur?
How does increasing the surface area of a membrane affect diffusion?