Osmosis and Potato Experiment Quiz

What is the primary factor that drives the movement of water in osmosis?

• Water potential difference

• Temperature difference

• Concentration of solutes

• Pressure difference

Why is seawater considered to have a lower water potential compared to pure water?

• It is less dense

• It has a higher pressure

• It contains more solutes

• It has a higher temperature

What is the purpose of using a cork board in the potato experiment?

• To measure the length of potato strips

• To cut the potato strips into equal lengths

• To push the potato strips out

• To weigh the potato strips

How many different salt solutions are prepared for the potato experiment?

• 6

• 3

• 4

• 5

What is the duration for which the potato strips are left in the solutions?

• 20 minutes

• 25 minutes

• 10 minutes

• 15 minutes

What is the significance of measuring the potato strips to the nearest millimeter?

• To reduce the amount of solution needed

• To make the experiment faster

• To ensure accuracy in data collection

• To simplify the calculations

What does a negative percentage change in the length of potato strips indicate?

• The strips have remained the same

• The strips have lost water

• The strips have dissolved

• The strips have absorbed water

What does it mean when the solution is isotonic to the potato strips?

• Water potential is lower in the solution

• Water potential is higher in the solution

• Water potential is equal in both

• Water potential is higher in the potato

In a hypotonic solution, what happens to the potato strips?

• They swell

• They remain the same

• They dissolve

• They shrink

At what salt concentration is the solution isotonic to the potato strips?

• 2.0 grams per 100 ml

• 0.5 grams per 100 ml

• 1.0 grams per 100 ml

• 1.4 grams per 100 ml