Osmosis and Cell Membranes Quiz

How is yogurt produced?

• By adding salt to milk

• By freezing milk

• By warming milk and adding bacteria

• By adding sugar to milk

What do bacteria convert lactose into during yogurt production?

• Lactic acid

• Glucose

• Citric acid

• Fructose

What is the main function of the cell membrane?

• To store genetic information

• To produce proteins

• To regulate what enters and exits the cell

• To provide energy to the cell

Which type of transportation requires energy?

• Diffusion

• Active transportation

• Osmosis

• Passive transportation

In a hypotonic solution, what happens to a plant cell?

• It remains the same

• It bursts

• It shrinks

• It swells

Why do animal cells burst in a hypotonic solution?

• They have a cell wall

• They have more solutes

• They lack a cell wall

• They have less water

What is the effect of placing a cell in a hypertonic solution?

• The cell remains the same

• The cell bursts

• The cell swells

• The cell shrinks

Why is salt water used to reduce swelling in the mouth?

• It pulls fluids out of swollen areas

• It provides nutrients

• It increases water in the cells

• It kills bacteria

What is the main difference between plant and animal cells observed under a microscope?

• Plant cells are rounder

• Animal cells have a cell wall

• Plant cells are boxy

• Animal cells have chloroplasts

What is the role of the nucleus in a cell?

• To provide structure

• To produce energy

• To regulate cell entry and exit

• To store genetic information