Download Cell Unit Practice Test

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Cell Unit Practice Test
1. Name the differences between eukaryotic cells and prokaryotic cells?
2. The main function of the cell wall in plant cells is:
a. to support and protect the cell.
b. to separate the cell from the external environment.
c. to protect and support organelles.
d. the site of cellular respiration.
3. Which organelle controls what enters and exits the cell?
4. During what process do water molecules move from an area of high concentration to an area of low
concentration?
5. Which process to move molecules through the cell membrane requires input of energy from the cell:
6. An animal cell is shriveled and said to be hypotonic, this means:
a. the solution has a lower solute concentration than the cell.
b. the solution has a higher solute concentration than the cell.
c. the concentration of solutes is the same inside and outside the cell.
d. the solution is very salty.
Match the people to their accomplishments.
7. Robert Hooke
A. observed LIVING cells.
8. Mathias Schleiden
B. stated that all plants are made of cells
9. Anton Van Leewenhoek
C. observed cork through a light microscope
10. Theodor Schwann
D. stated that all animals are made of cells
Fill in the blanks for the Cell Theory
11. All ________ organisms are made of one or more ______.
12. Cells are the basic units of __________ and _________.
13. Cells come only from ____________ cells.
14. Which of the following structures is found in the cytoplasm?
a. Nucleolus
b. Ribosome
c. DNA
d. Cell wall
15. Which organelle breaks down food into molecules the cell can use?
16. Which structure makes proteins using coded instructions that come from the nucleus?
17. Unlike the cell membrane, the cell wall is:
a. Found in all organisms
b. Composed of a lipid bi-layer
c. A flexible, semi-permeable barrier
d. Usually made of tough fibers
18. Name one type of plastid.
19. What is the role of cilia and flagella?
Figure 7-4
20. What would happen to the structure in Figure 7-4 if part D (cholesterol) is completely removed?
21. At what point in the process of diffusion is dynamic equilibrium reached?
22. A plant cell is placed in a hypotonic solution. What will happen to the plant cell?
23. Starches are stored in the _______ of plant cells:
a. leucoplasts
b. chromoplasts
c. chloroplasts
d. mitochondria
24. When melting snow, salt is thrown on the grass, water will flow______ the grass seed.
a. in
b. out
25. Which way will water molecules flow if a one-celled organism is placed in distilled water?
a. in
b. out