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Cells Review Questions
Questions 1 – 5 refer to the cell diagram below
1. What type of cell is represented by Cell 3 above? (eukaryotic or prokaryotic)
2. How do you know your answer to #1?
3. What organelle is represented by letter G?
4. What organelle is represented by letter I?
5. What organelle is represented by letter H?
Selected Response: Circle the letter of the response that best answers the question. Each
response only has one correct answer.
6. Scientists have shown that a newly
discovered organism is a species of
bacteria. Which of these is found in the cells
of the new species?
a. DNA
b. Mitochondria
c. Nucleus
d. Golgi Body
7. Euglena and Paramecium are both
eukaryotes because they…
a. Can reproduce
b. Have a nucleus
c. Have cell wall
d. Have ribosomes
8. Eukaryotic cells differ from prokaryotic
cells in that eukaryotic cells:
a. Lack organelles
b. Have DNA, but not ribosomes
c. Are single-celled
d. Have a nuclear membrane
Matching: Write the letter on the line to match the organelle with its function. (1 pt each)
(Note: Not all of the functions listed will be used!)
____ 9.
Nucleus
A. stores water, waste, food, and other materials
____ 10.
Cytoplasm
B. controls what moves in and out of the nucleus
____ 11.
Cell Membrane
C. is the control center
____ 12. Nuclear Membrane
D. the jelly-like part of the cell that holds all the other organelles
____ 13. Lysosome
E. creates proteins
____ 14. Ribosome
F. contains digestive enzymes, breaks down waste
____ 15. Vacuole
G. controls what moves in and out of the cell
16. Euglena use which of these to move?
a. Cilia
b. Flagellum
c. Vacuole
d. Pseudopodia
17. Which of the following cell structures is not attached to the cell membrane and is responsible
for movement of the cell from one location to another?
a. cilia
b. vacuole
c. flagella
d. pseudopodia
18. Keratin is a protein found in hair. Keratin is made in the
a. nucleus.
b. vacuole.
c. ribosome.
d. mitochondria.
19. Which part of the yeast cell converts the nutrients in the sugar solution into energy?
a. the cell membrane
b. the nucleus
c. the mitochondrion
d. the ribosome
20. Some cells, such as human nerve and muscle cells, contain many more mitochondria
than do other cells, such as skin cells. Why do some cells have more mitochondria than
others?
A. The cells use more energy.
B. The cells store more nutrients.
C. The cells degrade more proteins.
D. The cells divide more frequently.
21. Photosynthesis and cellular respiration are alike because both processes
A. produce glucose.
B. consume carbon dioxide.
C. take place in the chloroplasts.
D. involve energy transformations.
22. Which of these describes the primary function of cell membranes?
A. They allow certain molecules to enter and exit the cell.
B. They allow all molecules to enter and exit the cell.
C. They do not allow molecules to enter or exit the cell.
D. They allow all molecules to enter the cell, but not exit.
23. Which of these structures is found in plant cells but not in animal cells?
A. a chloroplast
B. a mitochondrion
C. a cell membrane
D. a nuclear membrane
24. Which organelle is correctly matched with the cell process it performs?
A. vacuole—storage site for the cell
B. chloroplast—diffusion of water in root systems
C. mitochondrion—control center of the cell
D. ribosome—production of messenger RNA molecules in yeast cells
25. Which of the following processes occurs in chloroplasts?
A. cellular respiration
B. natural selection
C. photosynthesis
D. mitosis
26. The exchange of oxygen and carbon dioxide between the body and the air occurs in the
lungs. This exchange of gases takes place at the cellular level.
What part of the cell is primarily responsible for this exchange?
A. the cell membrane
B. the nucleus
C. the cell wall
D. the ribosome
27. The diagram below shows the key steps for making proteins.
Which step involves ribosomes?
A. I
B. II
C. III
D. IV
28. Mature human red blood cells lose their nucleus during their development. Which of these
are, therefore, absent from red blood cells?
A. cytoplasm and cytosols
B. membranes
C. chromosomes
D. vacuoles
29. A plasma membrane is primarily made up of a(n)
A. cholesterol layer.
B. enzyme layer.
C. lipid bilayer.
D. protein bilayer.
30. The cell membrane of the red blood cell will allow water, oxygen, carbon dioxide, and
glucose to pass through. Because other substances are blocked from entering, this membrane is
called
F. perforated.
G. semi-permeable.
H. non-conductive.
J. permeable.
31. The structure most responsible for maintaining cell homeostasis is the
F. cytoplasm.
G. cell wall.
H. mitochondria.
J. plasma membrane.
32. A plasma membrane is primarily made up of a(n)
A. cholesterol layer.
B. enzyme layer.
C. lipid bilayer.
D. protein bilayer.