Download Biology Chapter 18

Biology Chapter 18
Matching
Match each item with the correct statement below.
a. conjugation
f.
b. reverse transcriptase
g.
c. bacteriophage
h.
d. nitrogen fixation
i.
e. endospore
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1.
2.
3.
4.
5.
6.
7.
8.
9.
binary fission
toxin
virus
host cell
process by which bacteria reproduce asexually
bacterial form that is in a state of slow metabolism and that does not reproduce
virus that infects bacteria
enzyme injected into a host cell, which copies viral RNA into DNA
simple form of sexual reproduction
nonliving particle that can reproduce when in a living cell
process by which some bacteria convert N2 gas into ammonia
poison produced by some bacteria
cell in which a virus reproduces
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 10. A(n) _____ is a virus that infects a bacterial cell.
a. endospore
c. decomposer
b. bacteriophage
d. plasmid
____ 11. Which of the following is NOT an evolutionary adaptation in bacteria?
a. They cannot exist under adverse conditions.
b. They can utilize substances harmful to other organisms.
c. They have a high rate of mutation.
d. They reproduce rapidly.
____ 12. Viruses are found in _____.
a. air
c. soil
b. water
d. all of these
____ 13. Cyanobacteria are _____.
a. chemosynthetic autotrophs
c. salt-loving archaebacteria
b. photosynthetic autotrophs
d. eubacterial heterotrophs
____ 14. Which of the bacteria is the cause of pneumonia?
a. rickettsia
c. staphylococci
b. streptococcus pneumoniae
d. Treponema pallidum
____ 15. The name streptococcus tells you that the bacteria are arranged as _____.
a. groups of spirals
c. pairs of round cells
b. long chains of round cells
d. chains of rods
____ 16. A structure in some bacteria that is resistant to adverse environmental factors is a(n) _____.
a. coccus
c. prophage
b. autotroph
d. endospore
____ 17. Which of the following processes brings about an exchange of genetic information between bacterial cells?
a. replication
b. mutualism
____ 18. Bacteria are used in _____.
a. the food industry
b. farming
____ 19. Penicillin kills bacteria by _____.
a. imprisoning them
b. depriving them of nutrients
c. consuming them
d. causing holes to develop in their cell walls
____ 20. Viruses are _____.
a. consumers
b. parasites
c. conjugation
d. binary fission
c. the medical industry
d. all of these
c. decomposers
d. producers
Biology Chapter 18
Answer Section
MATCHING
1. ANS:
NAT:
2. ANS:
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3. ANS:
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4. ANS:
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5. ANS:
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6. ANS:
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7. ANS:
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8. ANS:
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9. ANS:
NAT:
F
C1 | C4 | C5
E
C1 | C4 | C5
C
A1 | C3 | C5
B
A1 | C3 | C5
A
C1 | C4 | C5
H
A1 | C3 | C5
D
C1 | C4 | C5
G
C1 | C4 | C5
I
A1 | C3 | C5
PTS:
STA:
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1
15 | 16 | 25
1
15 | 16 | 25
1
17 | 32
1
17 | 32
1
15 | 16 | 25
1
17 | 32
1
13 | 18 | 38
1
15 | 16 | 25
1
17 | 32
DIF: B
OBJ: 18-4
DIF: B
OBJ: 18-4
DIF: B
OBJ: 18-1
DIF: B
OBJ: 18-2
DIF: B
OBJ: 18-4
DIF: B
OBJ: 18-2
DIF: B
OBJ: 18-5
DIF: B
OBJ: 18-4
DIF: B
OBJ: 18-2
PTS:
STA:
PTS:
STA:
PTS:
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PTS:
1
17 | 32
1
15 | 16 | 25
1
17 | 32
1
25 | 32
1
25 | 32
1
15 | 16 | 25
1
15 | 16 | 25
1
15 | 16 | 25
1
13 | 18 | 38
1
15 | 16 | 25
1
DIF: B
OBJ: 18-1
DIF: B
OBJ: 18-4
DIF: B
OBJ: 18-1
DIF: B
OBJ: 18-3
DIF: B
OBJ: 18-3
DIF: B
OBJ: 18-4
DIF: B
OBJ: 18-4
DIF: B
OBJ: 18-4
DIF: B
OBJ: 18-5
DIF: B
OBJ: 18-4
DIF: B
OBJ: 18-1
MULTIPLE CHOICE
10. ANS:
NAT:
11. ANS:
NAT:
12. ANS:
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13. ANS:
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14. ANS:
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15. ANS:
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16. ANS:
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17. ANS:
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18. ANS:
NAT:
19. ANS:
NAT:
20. ANS:
B
A1 | C3 | C5
A
C1 | C4 | C5
D
A1 | C3 | C5
B
C1 | C4 | C5
B
C1 | C4 | C5
B
C1 | C4 | C5
D
C1 | C4 | C5
C
C1 | C4 | C5
D
C1 | C4 | C5
D
C1 | C4 | C5
B
NAT: A1 | C3 | C5
STA: 17 | 32