Test Cell Transport:
1. What is the function of a cell membrane?
a. to protect and support the cell
b. to control what enters and leaves the cell
c. to perform different functions in each cell
d. to form a hard outer covering for the cell
2. Which of these best shows what is happening to the cell in pure water?
3. The process by which an organism's internal environment is kept stable in spite
of changes in the external environment is called
a. healing
b. digestion
c. homeostasis
d. respiration
4. When a person's body needs water, the brain helps maintain homeostasis by
sending signals that make the person
a. feel thirsty
b. perspire
c. put on a sweater d. feel tired
5. Which conditions shown below might cause a cell to burst?
a. A
b. B
c. C
d. D
6. A cell moves particles from a region of lesser concentration to a region of
greater concentration by _____.
a. Active transport
c. passive transport
b. Osmosis
d. diffusion
7. What type of solution has an equal concentration of solute inside and outside of
the cell?
a. Hypotonice
b. hypertonic
c. isotonic
8. Which process does an organism use to move large molecules into a cell?
a. Endocytosis
b. exocytosis
c. diffusion
d. osmosis
9. __________ is when water diffuses across a selectively permeable membrane.
a. Endocytosis
b. exocytosis
c. diffusion
d. osmosis
10. Food coloring will spread out in a jar of water until it is equally distributed and
all of the water has changed color. This is called
a. Osmosis
b. equalibrium
c. diffusion
d. active transport
11. What surrounds the cell and only lets certain things in and certain things out?
a. Nucleus
b. mitochondria
c. cell membrane
d. hair
12. What type of solution has a greater concentration of solute outside the cell and
water leave the cell?
a. Hypotonice
b. hypertonic
c. isotonic
13. Diffusion and osmosis are examples of what type of cellular transport?
a. Passive transport
b. active transport
14. Which process does an organism use to remove large molecules out of cells?
a. Endocytosis
b. exocytosis
c. diffusion
d. osmosis
15. Active transport is transportation into or out of a cell that uses…
a. Carbon dioxide
b. oxygen
c. energy
d. water
16. What type of solution has a greater concentration of solute inside the cell and
water will enter the cell?
a. Hypotonice
b. hypertonic
c. isotonic
17. What is the term that means to keep a “balanced state” in our cells and our
bodies?
a. Metabolism
b. homeostasis
c. osmosis
18. In class, when water entered the limp celery, or when water left the potato slice,
this was showing us what type of cellular transport?
a. Osmosis
b. diffusion
c. active tranport
d. exocytosis