Prince George Community College » Biology » Bio 1010 - General Biology » Fall 2022

Question #1

In the process of osmosis, ______________ moves from a region of ____________ to a region of _________ concentration.

A. solutions, low, high

B. water, high, low

C. solutes, high, low

D. solutes, low, high

E. water, low, high

Question #2

How was the presence of glucose detected?

A. pH test strip

B. change in the mass of the dialysis tube

C. change in the circumference of the dialysis tube

D. iodine

E. glucose test strips

Question #3

If you have a 27% glucose solution, what percentage of that solution is water?

A. 27%

B. 73%

C. 80%

D. 10%

E. 90%

Question #4

What is the purpose of iodine in the lab?

A. To react with the dialysis tubing

B. To color the solution red

C. To indicate the presence of starch

D. To indicate the presence of glucose

E. To serve as a control

Question #5

Starch diffused through the dialysis tubing in this week’s experiment.

A. True

B. False

Question #6

The glucose test strips turned blue in the presence of glucose.

A. True

B. False

Question #7

Temperature does not affect the rate of diffusion.

A. False

B. True