Download Cells A

Version A
Cells Exam
Name:______________________
Period:______________________
Multiple Choice (1 point each)
Identify the choice that best completes the statement or answers the question.
____
1. What happens during photosynthesis?
a. The cell uses oxygen to make food.
b. The cell uses the energy in sunlight to make food.
c. The cell uses glucose to make oxygen.
d. The cell uses the energy in sunlight to make carbon dioxide.
____
2. What happens during respiration?
a. Oxygen is released into the air.
b. Glucose is broken down, releasing energy.
c. Carbohydrates are released into the bloodstream.
d. Water and carbon dioxide are converted into energy.
____
3. Mitosis is the stage of the cell cycle during which
a. the cell’s nucleus divides into two new nuclei.
b. the cell’s DNA is replicated.
c. the cell divides into two new cells.
d. the cell’s cytoplasm divides.
____
4. During what stage of the cell cycle does replication occur?
a. interphase
b. cytokinesis
c. prophase
d. mitosis
____
5. What is copied during replication?
a. the cell’s organelles
b. chromosomes
c. the cell’s DNA
d. two daughter cells
____
6. The regular cycle of growth and division that cells undergo is called
a. replication.
b. the cell cycle.
c. interphase.
d. mitosis.
____
7. Which of the following statements is part of the cell theory?
a. Only plants are composed of cells.
b. All cells are produced from other cells.
c. Cells can be produced from nonliving matter.
d. Cells are one of several basic units of structure and function in living things.
____
8. What is the function of a cell membrane?
a. to support the cell
b. to perform different functions in each cell
c. to control what enters and leaves the cell
d. to form a hard outer covering for the cell
Version A
____
9. Which organelle is the control center of a cell?
a. mitochondrion
b. ribosome
c. nucleus
d. chloroplast
____ 10. Which of the following best describes the function of mitochondria?
a. They convert energy from food molecules into energy the cell can use.
b. They store energy from food molecules.
c. They store energy from sunlight.
d. They produce nucleic acids that release energy.
____ 11. How does a bacterial cell differ from a plant or animal cell?
a. It is larger.
b. It does not have a nucleus.
c. It has no cytoplasm.
d. It has no organelles.
____ 12. Why is water important for a cell?
a. Water is the main ingredient in DNA.
b. All proteins are made of water.
c. Most chemical reactions in cells require water.
d. Water is an essential organic compound for the body.
____ 13. Which term refers to the movement of molecules from an area of higher concentration to an area of lower
concentration?
a. collision
b. diffusion
c. active transport
d. concentration
____ 14. Which term refers to the diffusion of water molecules through a selectively permeable membrane?
a. osmosis
b. engulfing
c. active transport
d. passive transport
____ 15. Which term refers to the movement of materials through a cell membrane without using the cell’s energy?
a. concentration
b. collision
c. active transport
d. passive transport
____ 16. What is the function of a cell wall?
a. to protect and support the cell
b. to perform different functions in each cell
c. to prevent water from passing through it
d. to prevent oxygen from entering the cell
____ 17. Unlike the cell wall, the cell membrane
a. is found in all cells.
b. is made of chromatin.
c. protects the nucleus with a rigid layer of cellulose.
d. produces energy for the cell.
Version A
____ 18. Which organelles store food and other materials needed by the cell?
a. mitochondria
b. chloroplasts
c. ribosomes
d. vacuoles
____ 19. Which organelles release chemicals that break down large food particles into smaller ones?
a. endoplasmic reticulum
b. Golgi bodies
c. lysosomes
d. vacuoles
____ 20. The invention of the microscope made it possible for people to discover
a. plants.
b. skin.
c. animals.
d. cells.
Short Answer (2 points each)
Use the diagram to answer each question.
21. List drawings 1-5 in their correct order, beginning with the drawing that represents interphase.
22. Identify the structures labeled B. What do these structures contain?
Version A
Use the diagram to answer each question.
23. Identify the structures labeled B and describe their function.
24. Identify the large round structure labeled D and describe its function.
25. Is the cell shown a bacterial cell? Explain your reasoning.
Version A
Essay (5 points each)
26. You are looking at the inside of a cell. Explain how you can tell whether the cell is animal, bacterial, or plant.
27. Contrast mitochondria and chloroplasts.
28. Describe the process of photosynthesis including what types of cells it occurs in.
29. Describe the process of cellular respiration including what types of cells it occurs in.
Version A
cells
Answer Section
MULTIPLE CHOICE
1. ANS:
OBJ:
STA:
2. ANS:
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3. ANS:
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8. ANS:
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11. ANS:
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12. ANS:
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13. ANS:
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14. ANS:
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BLM:
15. ANS:
OBJ:
STA:
B
PTS: 1
DIF: L1
REF: p. C-45
C.2.1.1 Explain how the sun supplies living things with the energy they need.
L.8.C.1
BLM: knowledge
B
PTS: 1
DIF: L2
REF: p. C-50
C.2.2.1 Describe the events that occur during respiration. BLM: comprehension
A
PTS: 1
DIF: L1
REF: p. C-57
C.2.3.1 Identify the events that take place during the three stages of the cell cycle.
L.8.B.2
BLM: knowledge
A
PTS: 1
DIF: L1
REF: p. C-56
C.2.3.1 Identify the events that take place during the three stages of the cell cycle.
L.8.B.2
BLM: knowledge
C
PTS: 1
DIF: L1
REF: p. C-56
C.2.3.1 Identify the events that take place during the three stages of the cell cycle.
L.8.B.2
BLM: knowledge
B
PTS: 1
DIF: L2
REF: p. C-56
C.2.3.1 Identify the events that take place during the three stages of the cell cycle.
L.8.B.2
BLM: comprehension
B
PTS: 1
DIF: L2
REF: p. C-10
C.1.1.3 State the cell theory.
STA: L.8.B
BLM: comprehension
C
PTS: 1
DIF: L1
REF: p. C-17
C.1.2.2 Describe the functions of cell organelles.
STA: L.8.B.2
knowledge
C
PTS: 1
DIF: L2
REF: p. C-18
C.1.2.2 Describe the functions of cell organelles.
STA: L.8.B.2
comprehension
A
PTS: 1
DIF: L2
REF: p. C-19
C.1.2.2 Describe the functions of cell organelles.
STA: L.8.B.2
comprehension
B
PTS: 1
DIF: L1
REF: p. C-24
C.1.2.4 Tell how bacterial cells differ from plant and animal cells.
L.8.B.2 | L.8.B.3
BLM: knowledge
C
PTS: 1
DIF: L1
REF: p. C-30
C.1.3.3 Explain how water is important to the function of cells.
E.8.A.3 | L.8.B.2
BLM: knowledge
B
PTS: 1
DIF: L1
REF: p. C-33
C.1.4.1 Describe how most small molecules cross the cell membrane.
L.8.B.2
BLM: knowledge
A
PTS: 1
DIF: L1
REF: p. C-34
C.1.4.2 Explain why osmosis is important to cells.
STA: L.8.B.2
knowledge
D
PTS: 1
DIF: L1
REF: p. C-36
C.1.4.3 Tell the difference between passive transport and active transport.
L.8.B.2
BLM: knowledge
Version A
16. ANS: A
PTS: 1
DIF: L1
REF: p. C-17
OBJ: C.1.2.1 Identify the role of the cell wall and the cell membrane in the cell.
STA: L.8.B.2
BLM: knowledge
17. ANS: A
PTS: 1
DIF: L2
REF: p. C-18
OBJ: C.1.2.1 Identify the role of the cell wall and the cell membrane in the cell.
STA: L.8.B.2
BLM: comprehension
18. ANS: D
PTS: 1
DIF: L1
REF: p. C-22
OBJ: C.1.2.2 Describe the functions of cell organelles.
STA: L.8.B.2
BLM: knowledge
19. ANS: C
PTS: 1
DIF: L2
REF: p. C-22
OBJ: C.1.2.2 Describe the functions of cell organelles.
STA: L.8.B.2
BLM: comprehension
20. ANS: D
PTS: 1
DIF: L1
REF: p. C-7
OBJ: C.1.1.2 Explain how the invention of the microscope contributed to scientists’ understanding of living
things. BLM:
knowledge
SHORT ANSWER
21. ANS:
The correct order is 3, 2, 5, 1, 4.
PTS: 1
DIF: L3
REF: p. C-58 | p. C-59
OBJ: C.2.3.1 Identify the events that take place during the three stages of the cell cycle.
STA: L.8.B.2
BLM: application
22. ANS:
The structures are chromatids or chromosomes. They contain DNA or the genetic material for the cell. .
PTS: 1
DIF: L2
REF: p. C-57
OBJ: C.2.3.1 Identify the events that take place during the three stages of the cell cycle.
STA: L.8.B.2
BLM: application
23. ANS:
The structures are mitochondria. Mitochondria produce most of the energy the cell needs to carry out its
functions.
PTS: 1
DIF: L2
REF: p. C-19
OBJ: C.1.2.2 Describe the functions of cell organelles.
BLM: application
24. ANS:
D is the nucleus, which directs all of the cell’s activities.
STA: L.8.B.2
PTS: 1
DIF: L2
REF: p. C-18
OBJ: C.1.2.2 Describe the functions of cell organelles.
STA: L.8.B.2
BLM: application
25. ANS:
No, because it contains a nucleus and other organelles and does not have a cell wall.
PTS: 1
DIF: L2
REF: p. C-24
OBJ: C.1.2.4 Tell how bacterial cells differ from plant and animal cells.
STA: L.8.B.2 | L.8.B.3
BLM: analysis
Version A
ESSAY
26. ANS:
The cell is probably an animal cell if it has a nucleus but not a cell wall. The cell is probably a bacterial cell if
it has no nucleus, mitochondria, or chloroplasts. The cell is probably a plant cell if it has a nucleus, a cell wall,
and chloroplasts.
PTS: 1
DIF: L2
REF: p. C-17 | p. C-24
OBJ: C.1.2.4 Tell how bacterial cells differ from plant and animal cells.
STA: L.8.B.2 | L.8.B.3
BLM: analysis
27. ANS:
Mitochondria use food to release energy. They are found in both plant and animal cells. Chloroplasts use
energy to produce food. They are found in plant cells but not in animal cells.
PTS: 1
DIF: L2
REF: p. C-19 | p. C-20
OBJ: C.1.2.2 Describe the functions of cell organelles.
STA: L.8.B.2
BLM: analysis
28. ANS:
If you, the teacher, don’t know what photosynthesis is, you are lame.
PTS: 1
29. ANS:
Cellular respiration occurs in heterotrophic cells. It is a process where glucose and oxygen react to form
carbon dioxide water and ATP.
PTS: 1