Diffusion and Osmosis Quiz

What is the movement of molecules in a fluid or gas from a region of higher concentration to a region of lower concentration called?

• Active transport

• Osmosis

• Diffusion

• Facilitated diffusion

What is the difference in the concentration of a substance from one location to another called?

• Concentration gradient

• Passive transport

• Isotonic

• Hypertonic

Which type of solution has a solute concentration equal to the solute concentration inside a cell?

• Hypotonic

• Hypertonic

• Isotonic

• Facilitated diffusion

What is the movement of water molecules across a semipermeable membrane from an area of higher water concentration to an area of lower water concentration called?

• Diffusion

• Active transport

• Osmosis

• Concentration gradient

What is the process of diffusion of molecules across a membrane through transport proteins called?

• Active transport

• Facilitated diffusion

• Osmosis

• Concentration gradient

What is the solute concentration of a hypotonic solution compared to the solute concentration inside a cell?

• Higher

• Lower

• Equal

• Cannot be determined

What is the process of diffusion of molecules across a membrane through transport proteins called?

• active transport

• osmosis

• endocytosis

• facilitated diffusion

Which type of solution has a solute concentration equal to the solute concentration inside a cell?

• Hypertonic

• Hypotonic

• Isotonic

• Osmotic

What is the movement of water molecules across a semipermeable membrane from an area of higher water concentration to an area of lower water concentration called?

• filtration

• diffusion

• osmosis

• active transport

What is the process of diffusion of molecules across a membrane through transport proteins called?

• facilitated diffusion

• endocytosis

• osmosis

• active transport