Factors that Affect Diffusion (AQA GCSE Biology Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is the effect of a steeper concentration gradient on the rate of diffusion?
What is the effect of a steeper concentration gradient on the rate of diffusion?
It increases the rate of diffusion
How does higher temperature affect the rate of diffusion?
How does higher temperature affect the rate of diffusion?
It increases the rate of diffusion
What is the effect of a larger surface area on the rate of diffusion?
What is the effect of a larger surface area on the rate of diffusion?
It increases the rate of diffusion
How does a shorter diffusion distance affect the rate of diffusion?
How does a shorter diffusion distance affect the rate of diffusion?
It results in faster diffusion
Which type of molecule diffuses faster?
Which type of molecule diffuses faster?
Smaller molecules
Which molecules diffuse more easily through cell membranes?
Which molecules diffuse more easily through cell membranes?
Nonpolar molecules
What effect does higher temperature have on particle kinetic energy?
What effect does higher temperature have on particle kinetic energy?
It increases kinetic energy
Which adaptations help oxygen diffuse rapidly from alveoli into blood?
Which adaptations help oxygen diffuse rapidly from alveoli into blood?
Large surface area & short distance
What features of villi maximise the diffusion rate of nutrients?
What features of villi maximise the diffusion rate of nutrients?
Large surface area & thin walls
What role does diffusion play in removing carbon dioxide from cells?
What role does diffusion play in removing carbon dioxide from cells?
Moves it from cells into blood