Diffusion & Osmosis

Which of the following is the best definition for diffusion?

• It is the net movement of particles from an area of higher water potential to an area of lower water potential.

• It is the net movement of particles from an area of higher concentration to an area of lower concentration.

• It is the net movement of particles from an area of lower concentration to an area of higher concentration.

• It is the movement of particles from an area of higher concentration to an area of lower concentration.

Which of the following can undergo diffusion?

You may select more than one option.

• carbon dioxide

• oxygen

• perfume

• water

Which of the following is the best definition for osmosis?

• It is the net movement of any particles from an area of higher water potential to an area of lower water potential.

• It is the net movement of water particles from an area of higher water potential to an area of lower water potential.

• It is the net movement of water particles from an area of lower solute concentration to an area of higher solute concentration.

• It is the movement of particles from an area of higher concentration to an area of lower concentration.

Which of the following has the highest concentration of glucose?

• distilled water

• 1% glucose solution

• 10% glucose solution

• 50% glucose solution

Which of the following has the highest water potential?

• distilled water

• 1% glucose solution

• 10% glucose solution

• 50% glucose solution

Which of the following has the highest concentration of glucose?

• 0.5% glucose solution

• 1% glucose solution

• 5% glucose solution

• 0.05% glucose solution

Which of the following has the highest water potential?

• 0.5% glucose solution

• 1% glucose solution

• 5% glucose solution

• 0.05% glucose solution

What do you think will happen to an animal cell when there is net movement of water into the cell?

You may select more than 1 answer.

• It will increase in size.

• It will decrease in size.

• It will burst.

• The cell membrane will wrap around its contents.

What do you think will happen to a plant cell when there is net movement of water into the cell?

You may select more than 1 answer.

• It will increase in size.

• It will decrease in size.

• It will burst.

• The cell membrane will wrap around its contents.

What do you think will happen to an animal cell when there is net movement of water out of the cell?

You may select more than 1 answer.

• It will increase in size.

• It will decrease in size.

• It will burst.

• The cell membrane will wrap around its contents.