Transport in Cells (AQA GCSE Biology Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is diffusion?
What is diffusion?
Particles spreading from high to low concentration
In which direction do particles move during diffusion?
In which direction do particles move during diffusion?
Down a concentration gradient
How does increasing temperature affect the rate of diffusion?
How does increasing temperature affect the rate of diffusion?
Makes diffusion faster
What happens to diffusion rate when concentration difference increases?
What happens to diffusion rate when concentration difference increases?
Diffusion happens faster
How does increased surface area affect diffusion?
How does increased surface area affect diffusion?
More particles can move at same time
How does membrane thickness affect diffusion rate?
How does membrane thickness affect diffusion rate?
Thinner membranes allow faster diffusion
How does oxygen move into blood cells in the lungs?
How does oxygen move into blood cells in the lungs?
By diffusion from air
How does carbon dioxide leave blood cells in the lungs?
How does carbon dioxide leave blood cells in the lungs?
By diffusion into air
During photosynthesis, which gases diffuse in and out of plant leaves?
During photosynthesis, which gases diffuse in and out of plant leaves?
CO in, O out
Does diffusion require energy from the cell?
Does diffusion require energy from the cell?
No, it happens naturally