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Chapter 8 Test C

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Water moves into a cell placed in a(n) _____ solution.
a.
isotonic
c.
hypertonic
b.
osmotic
d.
hypotonic
 

 2. 

A gene is a segment of DNA that controls the production of _____.
a.
proteins
c.
carbohydrates
b.
centromeres
d.
microtubules
 

 3. 

Among the following, the term that includes the others is _____.
a.
nuclear division
c.
cell cycle
b.
interphase
d.
mitosis
 

 4. 

Which of the following monitors a cell's progress from phase to phase during the cell cycle?
a.
lipid molecules
c.
protein molecules
b.
a series of enzymes
d.
microtubules
 

 5. 

If the sides of a cell double in length, its volume increases by _____ times.
a.
eight
c.
four
b.
six
d.
two
 

 6. 

The causes of cancer may include which of the following?
a.
UV radiation
c.
viruses
b.
environmental influences
d.
all of the above
 

 7. 

The structure most responsible for maintaining cell homeostasis is the _____.
a.
cytoplasm
c.
cell wall
b.
mitochondrion
d.
plasma membrane
 
 
chapter_8_test_c_files/i0090000.jpg
Figure 8-8
 

 8. 

Which of the cells depicted in the line graph in Figure 8-8 are most likely cancerous?
a.
C
c.
B
b.
D
d.
A
 

 9. 

If cancer is present, what is the likely explanation for what happened to cells B and D?
a.
they died off because the cancerous cells deprived them of nutrients
b.
they thrived with the cancerous cells
c.
they died off on due to natural causes
d.
they were harmed by radiation therapy
 

 10. 

What cell process is responsible for the effect shown in Figure 8-5?
chapter_8_test_c_files/i0120000.jpg
Figure 8-5
a.
facilitated diffusion
c.
active transport
b.
osmosis
d.
passive transport
 

 11. 

A chromatid is attached to a spindle fiber by the _____.
a.
centriole
c.
deep furrow
b.
nucleolus
d.
centromere
 

 12. 

By the end of prophase, each of the following has occurred except _____.
a.
tighter coiling of the chromosomes
b.
disappearing of the nucleolus
c.
lining up of chromosomes in the cell
d.
breaking down of the nuclear envelope
 

 13. 

If the sides of a cell double in length, its surface area becomes _____ times as large.
a.
two
c.
four
b.
six
d.
eight
 

 14. 

The chromosomes shown in Figure 8-6 are in which state of mitosis?
chapter_8_test_c_files/i0160000.jpg
Figure 8-6
a.
telophase
c.
prophase
b.
metaphase
d.
anaphase
 

 15. 

Which of the following is not a form of passive transport?
a.
facilitated diffusion
c.
osmosis
b.
facilitated diffusion
d.
endocytosis
 

 16. 

Which conditions shown in Figure 8-4 might cause a cell to burst?
chapter_8_test_c_files/i0180000.jpg
Figure 8-4
a.
B
c.
A
b.
D
d.
C
 

 17. 

Which of the following explains why a cell's size is limited?
a.
Volume increases faster than surface area.
b.
Surface area increases faster than volume.
c.
Homeostasis is disrupted by a cell that is too large.
d.
both a and c
 

 18. 

Which of the following structures is the most complex?
a.
organ system
c.
cell
b.
tissue
d.
organ
 

 19. 

As a cell grows, its _____ increases more than its _____.
a.
volume, surface area
c.
width, surface area
b.
length, volume
d.
none of these
 

 20. 

If cells are placed in a strong sugar solution, water will _____.
a.
pass back and forth
b.
pass from the sugar solution to the cells
c.
pass from the cells to the sugar solution
d.
stay in the cell
 

 21. 

The longest phase of the cell cycle is _____.
a.
interphase
c.
mitosis
b.
prophase
d.
metaphase
 

 22. 

What level of organization is shown in Figure 8-7?
chapter_8_test_c_files/i0240000.jpg
a.
organ system
c.
tissue
b.
organism
d.
organ
 

 23. 

Water moves out of a cell if the cell is placed in a(n) _____ solution.
a.
isotonic
c.
passive
b.
hypertonic
d.
hypotonic
 

 24. 

If a cell is placed in salt water, water leaves the cell by _____.
a.
active transport
c.
osmosis
b.
diffusion
d.
phagocytosis
 

 25. 

Unlike plant cells, animal cells contain _____.
a.
centrioles
c.
spindles
b.
nucleoli
d.
cell walls
 

 26. 

A cell moves particles from a region of lesser concentration to a region of greater concentration by _____.
a.
active transport
c.
osmosis
b.
facilitated diffusion
d.
passive transport
 



 
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