Biology CB12 Quiz Osmosis

What is a substance that is dissolved into a mixture?

• solute

• solution

• solvent

• solitaire

200g of sugar is dissolved into 3000ml of water to form a mixture. Water is the ___________ in this mixture.

• solute

• solution

• solvent

• solitaire

A solution with a lower solute concentration than another is a __________ solution.

• hypertonic

• hypotonic

• isotonic

• solute

Solution A has 100g of salt dissolved in 300ml of water.

Solution B has 75g of salt dissolved in 300ml of water.

Which statement is correct?

• Solution A is hypertonic to Solution B

• Solution A is hypotonic to Solution B

• Solution A and Solution B are isotonic

• none of these statements are correct

Solutions of ____________ solute concentration are isotonic.

• greater

• lesser

• equal

• zero

This is is the diffusion of water molecules across a selectively permeable membrane from an area of higher concentration to an area of lower concentration

• isotonic pressure

• plasmolysis

• facilitated diffusion

• Osmosis

A red blood cell is placed in a solution. It swells until it bursts and dies. The solution was a __________ solution.

• isotonic

• hypotonic

• hypertonic

• metabolic

In a hypertonic solution, a cell with a cell wall will lose water, the plasma membrane pulls away from the cell wall as it shrivels. What is this process called

• plasmolysis

• osmosis

• turgor pressure

• osmotic pressure

Osmotic pressure is the main cause of support in _______

• animals

• plants

• bacteria

• all life

Animal cells tend to do best in an ____________ environment, plant cells tend to do best in a ____________ environment.

• isotonic ,hypotonic

• hypertonic, hypotonic

• hypotonic, isotonic

• hypertonic, isotonic