U2_L7 Tonicity and osmolarity

Multiple Choice

Which of the following statements about osmosis is correct?

• Osmosis is the movement of solvent from low solute concentration to high solute concentration through a semipermeable membrane.

• Osmosis is the movement of solute from high concentration to low concentration through a semipermeable membrane.

• Osmosis is the movement of solvent from high solute concentration to low solute concentration through a semipermeable membrane.

• Osmosis is the movement of solute from low concentration to high concentration through a semipermeable membrane.

Multiple Choice

Which of the following conditions will cause a red blood cell to swell?

• Hypotonic solution

• Isotonic solution

• Hypertonic solution

• Supersaturated solution

Multiple Choice

What is the main difference between osmolarity and tonicity?

• Osmolarity considers all solutes, while tonicity considers only non-penetrating solutes.

• Osmolarity considers only non-penetrating solutes, while tonicity considers all solutes.

• Osmolarity is not related to solute concentration, while tonicity is.

• Tonicity is the total solute concentration, while osmolarity is not.

Multiple Choice

The cell below is in a _________ solution.

• Hypotonic
• Hypertonic
• Isotonic

Multiple Choice

What type of solution allows water to enter the plant cell?

• hypotonic solution
• hypertonic solution
• isotonic solution
• active transport

Multiple Choice

Match the following tonicity terms to the correct plant cell diagram: Hypertonic, Isotonic, Hypotonic.

• First diagram: Hypertonic, Second diagram: Isotonic, Third diagram: Hypotonic

• First diagram: Isotonic, Second diagram: Hypertonic, Third diagram: Hypotonic

• First diagram: Hypotonic, Second diagram: Hypertonic, Third diagram: Isotonic

• First diagram: Hypotonic, Second diagram: Isotonic, Third diagram: Hypertonic