Osmoregulation Terms Quiz (Period 7)

Osmosis is the diffusion of _____ across a selectively permeable membrane.

• food
• air
• water
• oxygen

During diffusion

• substances (things) moves from high to low concentration
• water moves when energy is used
• large or oddly shaped molecules move across a cell membrane
• water moves from high to low concentration

 An animal cell placed in a hypertonic (salty) solution will

• Stay the same
• Shrink- get smaller
• Swell- get bigger

The movement of water through a semi-permeable membrane is called?

• cell membrane
• respiration
• osmosis
• diffusion

The picture  is an example of _________________.

• isotonic
• diffusion
• osmosis
• active transport

In a solution, salt is considered the _______.

• solvent
• solute
• solution

In a scenario, salt is placed into a bowl of water.  What is the solvent?

• salt
• water
• saltwater

If you looked at red blood cells under a microscope and saw the blood cells exploded, what would you say happened?

• The cells were placed in a hypotonic solution.
• the solution was isotonic.
• The solution was hypertonic.

What does selectively-permeable mean?

• The cell controls what passes in and out of the cell
• Nothing gets through
• The cell lets only large substances through

Where will the water go?

• Into the cell
• Out of the cell
• Equally in & out - it's isotonic
• There is no water