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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.Incorrect: 0
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Which experimental change would test the effect of surface area on diffusion rate using agar cubes?
How would you increase the rate of oxygen diffusion into a fish’s gill in an aquarium?
Why does a large concentration gradient speed up diffusion?
What effect does decreasing the thickness of the exchange surface have on diffusion?
Why is diffusion sufficient for exchange in organisms like flatworms but not in humans?
Why do single-celled organisms rely on diffusion for exchange with the environment?
Why is diffusion important for gas exchange in alveoli?
During diffusion of a solute through a membrane, net movement stops at equilibrium because:
Which property of gases makes diffusion in air faster than diffusion in liquids?
Which example is best described as diffusion in biology?
Which of the following changes would decrease the rate of diffusion of a dissolved ion across a membrane?
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