Unit 3 · Movement into and out of Cells
Question Bank
Cambridge IGCSE Biology 0610 · 61 questions
Q55Movement into and out of Cells
Which change would decrease the rate of diffusion?
(a)Increasing temperature
(b)Increasing surface area
(c)Making the gradient steeper
(d)Increasing the diffusion distance
Correct answer: (d) Increasing the diffusion distance
Explanation: Longer distances slow diffusion; the other three all increase the rate.
Related lesson
3.3 Active transportMovement into and out of Cells Tags