Factors that Affect Diffusion (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a concentration gradient?
What is a concentration gradient?
The difference in particle concentration
How does a steeper concentration gradient affect diffusion rate?
How does a steeper concentration gradient affect diffusion rate?
It increases the rate of diffusion
What effect does higher temperature have on diffusion?
What effect does higher temperature have on diffusion?
Increases diffusion rate
Why does higher temperature increase diffusion rate?
Why does higher temperature increase diffusion rate?
It increases kinetic energy of particles
How does a larger surface area affect the rate of diffusion?
How does a larger surface area affect the rate of diffusion?
It increases the rate of diffusion
Which structures have large surface areas to maximise diffusion?
Which structures have large surface areas to maximise diffusion?
Alveoli in lungs and villi in intestine
How does diffusion distance affect the rate of diffusion?
How does diffusion distance affect the rate of diffusion?
Shorter distances increase the rate
Which molecules diffuse faster?
Which molecules diffuse faster?
Smaller molecules like oxygen
Which type of molecule diffuses more easily through cell membranes?
Which type of molecule diffuses more easily through cell membranes?
Nonpolar molecules
Why does oxygen diffuse rapidly from alveoli into blood?
Why does oxygen diffuse rapidly from alveoli into blood?
Large surface area and short distance