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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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What happens to a red blood cell placed in pure water?
What effect does decreasing the thickness of the exchange surface have on diffusion?
Across which structure does diffusion of oxygen into a cell typically occur?
If a cell needs to absorb glucose against its concentration gradient, what must it use?
How does increasing temperature typically affect diffusion in cells?
How would you increase the rate of oxygen diffusion into a fish’s gill in an aquarium?
A plant cell is placed in distilled water (very low solute). What happens to the cell?
What is meant by a partially permeable membrane?
Which property of gases makes diffusion in air faster than diffusion in liquids?
Which example is best described as diffusion in biology?
Which method would best demonstrate diffusion of a soluble dye in water?