Osmosis

Question 1

What is osmosis?

Answer 1

The movement of water molecules through a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Question 2

True or False: Osmosis requires energy input.

Answer 2

False

Question 3

Fill in the blank: Osmosis is a type of __________ transport.

Answer 3

passive

Question 4

Which direction do water molecules move during osmosis?

Answer 4

From an area of low solute concentration to an area of high solute concentration.

Question 5

What role does a semi-permeable membrane play in osmosis?

Answer 5

It allows the passage of water molecules while preventing the movement of solute particles.

Question 6

Multiple Choice: Which of the following best describes osmotic pressure?

Answer 6

The pressure required to stop the flow of water across a semi-permeable membrane.

Question 7

Short Answer: What happens to a cell placed in a hypertonic solution?

Answer 7

The cell will lose water and shrink.

Question 8

True or False: In a hypotonic solution, cells gain water.

Answer 8

True

Question 9

Fill in the blank: In osmosis, water moves toward areas of __________ solute concentration.

Answer 9

higher

Question 10

What is the term for the balance of solute and solvent concentrations across a membrane?

Answer 10

Equilibrium