Diffusion and Osmosis in Cells

What happens to the rate of diffusion if the temperature decreases?

• It increases

• It decreases

• It remains the same

Tags

NGSS.MS-PS1-4

True or False: Plants use osmosis to get water from their roots.

• True

• False

Tags

NGSS.MS-LS2-1

Fill in the blank: In diffusion, molecules move from an area of _______ concentration to an area of lower concentration.

• Low

• Medium

• High

• Equal

What is the primary function of the human gas exchange system?

• To digest food

• To take in oxygen and remove carbon dioxide

• To circulate blood

• To produce energy.

Fill in the blank: _______ is the process by which oxygen enters blood cells.

• Diffusion

• Osmosis

• Active transport

• Filtration

The human gas exchange system removes _______ waste that our cells produce.

• oxygen

• nitrogen

• carbon dioxide

• hydrogen

What is the main waste product removed during human gas exchange?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

What happens during the process of dissolving?

• The solute breaks up into smaller groups

• The solvent evaporates

• The solution becomes solid

• The solute and solvent separate.

Which of the following describes a diluted solution?

• High concentration of solute

• Low concentration of solute

• Equal concentration of solute and solvent

• No solute present.

Which of the following is an example of a solute?

• Water

• Sugar

• Air

• Oil