Principles of Osmosis and Diffusion in Cell Homeostasis Quiz

Test your knowledge on cell homeostasis with questions about osmosis, diffusion, and cellular transport mechanisms.

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Which process involves the movement of molecules from an area of high concentration to an area of low concentration?

Osmosis

Diffusion

Active transport

Endocytosis

Which of the following is an example of passive transport?

Endocytosis

Exocytosis

Facilitated diffusion

Active transport

What is the primary driving force behind osmosis and diffusion?

Gravity

Electrostatic attraction

Kinetic energy

Chemical energy

In osmosis, water moves across a semi-permeable membrane to equalize the concentration of solutes. Which direction does water move?

From low to high solute concentration

From high to low solute concentration

From an area of high water concentration to low water concentration

From an area of low water concentration to high water concentration

Which factor does not affect the rate of diffusion?

Temperature

Surface area

Size of molecules

Color of molecules

What type of solution causes a cell to shrink due to water leaving the cell?

Hypertonic

Hypotonic

Isotonic

None of the above

Which of the following best describes facilitated diffusion?

Movement of molecules from low to high concentration with the help of a carrier protein

Movement of molecules from high to low concentration without the use of energy

Movement of molecules from high to low concentration with the help of a carrier protein

Movement of molecules from low to high concentration without the use of energy

Which of the following best describes the function of cholesterol in the cell membrane?

Increases fluidity

Decreases fluidity

Provides structural support

Facilitates transport of ions

Which statement is true regarding the movement of water molecules during osmosis?

Water moves against the concentration gradient

Water moves towards the area with lower solute concentration

Water moves through aquaporins via active transport

Water moves to balance solute concentration on both sides of the membrane