Osmosis And Diffusion
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Lab 1 diffusion and osmosis pre-lab quiz for coach wimpey and coach johnson.
- 1.What is the purpose of IKI in the lab?
- A.
To indicate the presence of glucose
- B.
To react with the dialysis tubing
- C.
To indicate the presence of starch
- D.
To color the solution red
- 2.In this lab the dialysis tubing represents
- A.
Mitochondria
- B.
Plasma Membrane
- C.
Chloroplast
- D.
Nucleus
- 3.Which of the following is true of sucrose?
- A.
It is non-polar
- B.
It is table sugar
- C.
It is the same as starch
- D.
It will not dissolve in water
- 4.Which molecule is larger, glucose or IKI?
- A.
IKI
- B.
Glucose
- C.
Can't tell
- 5.A 0.2 M solution of sucrose will have
- A.
.2 molecules of sucrose per milliliter of water
- B.
.2 moles of sucrose per milliliter of water
- C.
.2 moles of sucrose per L of water
- D.
.2 moles of sucrose per L of solution
- 6.Which solution list below is most hypertonic relative to distilled water?
- A.
0.0 M sucrose
- B.
0.2 M sucrose
- C.
0.4 M sucrose
- D.
0.6 M sucrose
- 7.How is the presence of glucose detected?
- A.
Glucose test strip
- B.
IKI
- C.
Change in mass
- D.
All of the above
- 8.In the lab how can you tell whether the dialysis bags gained or lost water?
- A.
By the change in color
- B.
By the change in volume
- C.
By the change in mass
- D.
You cannot tell
- 9.Osmosis is
- A.
The diffusion of sucrose
- B.
The diffusion of IKI
- C.
The diffusion of glucose
- D.
The diffusion of water
- 10.How does water move?
- A.
Always from higher potential to lower potential
- B.
Always from lower potential to higher potential
- C.
Movement varies depending on mass
- D.
Cannot tell until you do the lab
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