Osmosis Quiz

What is osmosis?

• The movement of water molecules through a cell membrane

• The movement of solute molecules through a cell membrane

• The movement of solute molecules from low water concentration to high water concentration

• The movement of water molecules from low solute concentration to high solute concentration

What is the purpose of salt on roads during winter?

• To increase the freezing point of water

• To kill the plants along the roadside

• To make the roads more slippery

• To prevent the roads from icing over

How does salt affect plants?

• It can cause them to die

• It helps them grow stronger

• It increases their water absorption

• It improves their resistance to cold

What happens to plants when exposed to salty ocean water during hurricanes?

• They grow faster and healthier

• They become more resistant to salt

• They can eventually die

• They develop larger root systems

What is the movement of water molecules in osmosis called?

• Passive transport

• Active transport

• Diffusion

• Facilitated diffusion

Where does water move in osmosis?

• From areas of high water concentration to low water concentration

• From areas of low water concentration to high water concentration

• From areas of high solute concentration to low solute concentration

• From areas of low solute concentration to high solute concentration

What is the term used to describe the side with a higher solute concentration in osmosis?

• Osmotic

• Hypertonic

• Hypotonic

• Isotonic

What happens to water levels in a U-tube when a large amount of salt is added to one side?

• The water levels on both sides will decrease

• The water levels on both sides will remain the same

• The water level on the side without salt will be higher

• The water level on the side with salt will be higher

Why can't pure water be used in an IV?

• It would cause red blood cells to burst

• It would cause red blood cells to shrink

• It would cause blood pressure to increase

• It would cause blood clotting

What happens to a saltwater fish placed in a freshwater tank?

• The fish becomes more resistant to salt

• Water moves out of the fish's cells, potentially causing death

• Water moves into the fish's cells, potentially causing death

• The fish becomes more resistant to freshwater