CH 18-19 Bacteria and Classification Quiz
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1. Scientists assign each kind of organism a universally accepted name in the system known as
a. binomial nomenclature
b. cladistics
c. the three domains
d. traditional classification
2. Several different classes make up a
a. family
b. genus
c. kingdom
d. phylum
3. Based on their names, you know that the baboons Papio annubis and Papio cynocephalus do NOT
belong to the same
a. class
b. family
c. genus
d. species
4. In Linnaeus’s system of classification how many taxonomic categories were there?
a. one
b. three
c. five
d. seven
5. In the scientific version of a species name, which of the terms is capitalized?
a. both the first and second terms
b. the first term only
c. the second term only
d. neither the first nor the second term
6. To show evolutionary relationships among organisms, scientists create a
a. cladogram
b. dichotomy
c. nomenclature
d. taxonomy
7. The scientific discipline of classifying organisms in a hierarchical system
a. cladogram
b. dichotomy
c. nomenclature
d. taxonomy
8. Phylogeny and similar genes are evidence of
a. binomial nomenclature
b. common ancestry
c. different anatomy
d. mutations
FIGURE 1
9. In Figure 1, which of the following is MOST closely related?
a. crocodiles and amphibians
b. crocodiles and birds
c. crocodiles and primates
d. crocodiles and sharks
10. The domain that corresponds to the kingdom Eubacteria is
a. Archaea
b. Bacteria
c. Eukarya
d. Fungi
11. The domain that contains unicellular organisms that live in extreme environments is
a. Archaea
b. Bacteria
c. Eukarya
d. Fungi
12. Eubacteria and archaebacteria differ in
a. size
b. the makeup of their cell walls
c. the presence of a cell wall
d. the presence of a nucleus
13. Bacteria that break down the nutrients in dead matter into simpler substances that are taken up by
plant roots are called
a. decomposers
b. endospores
c. flagella
d. photoautotrophs
FIGURE 2
14. Which cell shape in Figure 2 is called bacilli?
a. a
b. b
c. c
d. none of the above
15. Food stored in a refrigerator will keep longer because the bacteria that spoil food
a. die at low temperatures
b. grow more slowly in the dark
c. take longer to multiply at low temperatures
d. require light to live
16. One of the important roles that bacteria play in the ecosystem is as
a. consumers
b. endospores
c. primary producers
d. none of these
17. Binary fission of bacteria is the process of
a. decomposition
b. fixation
c. asexual reproduction
d. sexual reproduction
18. Pili found on the prokaryotic cell are used in the process of
a. binary fission
b. conjugation
c. decomposition
d. endosporism
FIGURE 3
19. In Figure 3, which of the letters (A, B, C or D) corresponds to the nucleoid?
a. A
b. B
c. C
d. D
20. In Figure 3, which structure is used in locomotion?
a. A
b. B
c. C
d. D