Diffusion and Osmosis Review

Diffusion and Osmosis Review

Multiple Choice

What does semipermeable mean?

• No particles or molecules can pass through it

• small particles or molecules can pass through, but larger ones cannot

• large particles or molecules can pass through, but smaller ones cannot

• All particles or molecules can pass through it

Multiple Choice

It is good that water and carbon dioxide can easily pass through the membrane. Along with sunlight, water and carbon dioxide are needed for the process of...

• cellular respiration

• fermentation

• photosynthesis

• mitosis

Multiple Choice

True or False: Passive Transport (diffusion and osmosis) doesn't require the cell to use energy (ATP).

• True

• False

Multiple Choice

Looking at this diagram, which way would the blue particles move?

• To the left

• To the right

• The particles wouldn't move

Multiple Choice

Which of the following statements about diffusion is FALSE?

• Diffusion requires no energy use by the cell

• In diffusion, molecules move from an area of high concentration to an area of lower concentration.

• In diffusion, molecules move from an area of low concentration to an area of higher concentration.

Multiple Choice

Osmosis is the diffusion of which molecule?

• Water

• Sugar

• Salt

• Carbon dioxide

Multiple Choice

In the diagram, the blue circles represent water molecules and the orange circles represent molecules of salt. Which way is the water going to move?

• Out of the cell

• Into the cell

• Water won't cross the membrane at all

Multiple Choice

Which of the following diagrams shows equilibrium?