cells
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
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1. A group of organs working together to perform a certain function is a(n) ____.
a. organ system
c. organ
b. tissue
d. organism
2. Usually, the largest organelle in a cell is the ____.
a. chromatin
c. vacuole
b. nucleus
d. lysosome
3. Plant cells that are long and hollow transport ____ and water throughout the plant.
a. oxygen
c. blood
b. chlorophyll
d. food
4. Things too small to be seen with other microscopes may be viewed with a(n) ____.
a. compound light microscope
c. electron microscope
b. brightfield microscope
d. simple microscope
5. Groups of similar cells that do the same sort of work are ____.
a. organs
c. tissues
b. organ systems
d. organelles
6. Materials enter and leave the nucleus through openings in its ____.
a. organelles
c. membrane
b. DNA
d. chromatin
Matching
Match each term with the correct description below.
a. lysosomes
g. nucleus
b. vacuoles
h. organelles
c. compound light microscope
i. cell membrane
d. scanning electron microscope
j. cell wall
e. electron microscope
k. cytoplasm
f. mitochondria
l. Golgi bodies
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7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
membrane-bound spaces for temporary storage in cells
protective layer around all cells
where the energy in food is stored until it is released
protects the cells of plants
flattened membranes that package cellular substances
gelatinlike material inside cell membrane
structures within the cytoplasm of eukaryotic cells
directs all the activities of the cell
organelles that contain digestive chemicals
has two sets of lenses to magnify an object
Completion
Complete each sentence or statement.
Figure 2A-1
17. In the animal cell shown in Figure 2A-1, structure A is the ____________________.
18. In the animal cell shown in Figure 2A-1, structure C is the ____________________.
19. In the animal cell shown in Figure 2A-1, structure E is the ____________________.
Short Answer
20. How is a plant cell different from an animal cell?
21. What is the organization of your own cells, starting with the smallest unit and going to the level of organism?
22. What is defined as a structure made up of different types of tissues that work together?
23. Why is the nucleus important to the cell?
24. Why are mitochondria important to life?
25. You are looking at a single cell that is green in color. How do you know it is a plant cell?
cells
Answer Section
MULTIPLE CHOICE
1.
2.
3.
4.
5.
6.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
A
B
D
C
C
C
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
B
B
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
3/1
2/1
1/1
4/2
3/1
2/1
STO: SC-M-3.1.1, SC-M-3.1.2
STO: SC-M-3.1.1, SC-M-3.1.2
STO: SC-M-3.1.1, SC-M-3.1.2
B
J
F
I
L
K
H
G
A
C
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
B
B
B
B
B
B
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
1/1
1/1
1/1
1/1
1/1
1/1
1/1
1/1
1/1
4/2
STO:
STO:
STO:
STO:
STO:
STO:
STO:
STO:
STO:
STO: SC-M-3.1.1, SC-M-3.1.2
STO: SC-M-3.1.1, SC-M-3.1.2
MATCHING
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
SC-M-3.1.1, SC-M-3.1.2
SC-M-3.1.1, SC-M-3.1.2
SC-M-3.1.1, SC-M-3.1.2
SC-M-3.1.1, SC-M-3.1.2
SC-M-3.1.1, SC-M-3.1.2
SC-M-3.1.1, SC-M-3.1.2
SC-M-3.1.1, SC-M-3.1.2
SC-M-3.1.1, SC-M-3.1.2
SC-M-3.1.1, SC-M-3.1.2
COMPLETION
17. ANS:
STO:
18. ANS:
STO:
19. ANS:
STO:
mitochondrion
SC-M-3.1.1, SC-M-3.1.2
nucleus
SC-M-3.1.1, SC-M-3.1.2
cell membrane
SC-M-3.1.1, SC-M-3.1.2
DIF: B
OBJ: 1/1
DIF: B
OBJ: 1/1
DIF: B
OBJ: 1/1
SHORT ANSWER
20. ANS:
Plant cells have cell walls and chloroplasts.
DIF: A
OBJ: 1/1
21. ANS:
cell, tissue, organ, organ system, organism
STO: SC-M-3.1.1, SC-M-3.1.2
DIF: A
22. ANS:
an organ
STO: SC-M-3.1.1, SC-M-3.1.2
OBJ: 3/1
DIF: B
OBJ: 3/1
STO: SC-M-3.1.1, SC-M-3.1.2
23. ANS:
The nucleus directs all the activities of the cell and contains DNA.
DIF: A
OBJ: 2/1
STO: SC-M-3.1.1, SC-M-3.1.2
24. ANS:
Mitochondria release energy from broken-down food molecules.
DIF: A
OBJ: 1/1
STO: SC-M-3.1.1, SC-M-3.1.2
25. ANS:
The cells of plants are enclosed in a cell wall. Also, plant cells contain chloroplasts that have the pigment
chlorophyll, which makes plants green.
DIF:
A
OBJ: 1/1
STO: SC-M-3.1.1, SC-M-3.1.2