Diffusion 10-Mark Quiz

What is the definition of diffusion?

Which of the following substances moves into cells by diffusion for respiration?

What does the term partially permeable membrane mean?

Which factor would increase the rate of diffusion?

In the agar jelly cube experiment, why do smaller cubes change colour faster?

Which statement best explains why large multicellular organisms need transport systems as well as diffusion?

Which gas diffuses out of cells during respiration?

Why is diffusion described as a passive process?

Which adaptation helps alveoli in the lungs to diffuse gases efficiently?

Why can oxygen and carbon dioxide pass through a cell membrane, but starch cannot?

What is diffusion?

Diffusion happens most easily in which states of matter?

What does concentration describe?

Which term describes the random movement of particles in a fluid caused by collisions?

Why is diffusion very limited in solids?

Diffusion is generally faster in gases than liquids because gas particles…

What usually happens to the rate of diffusion when temperature increases?

Why can diffusion still have a net movement from high to low concentration even though particle motion is random?

Which statement best explains the difference between dissolving and diffusion?

In a simple investigation to compare diffusion in hot and cold water, what should be kept the same to make it a fair test?