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Multiple Choice



This activity contains 20 questions.

Question 1
1
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If you wanted to determine if a microorganism fermented a particular carbohydrate, which of the following kinds of tests would you use?
 
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Question 2
2
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Put the following units of measurement in order, from largest to smallest:
I. Millimeter
II. Centimeter
III. Micrometer
IV. Meter
V. Nanometer
 
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Question 3
3
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Which of the following has the shortest wavelength?
 
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Question 4
4
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In microscopy, which of the following plays an important role in visualizing extremely small objects clearly?
 
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Question 5
5
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Which of the following types of microscope is being used to examine the relationships between microbes in biofilms on stromatolites?
 
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Question 6
6
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All of the following are components of a bright-field compound microscope EXCEPT:
 
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Question 7
7
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The limit of useful magnification for a light microscope is
 
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Question 8
8
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All of the following types of microscope can be used to view living specimens EXCEPT
 
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Question 9
9
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Which of the following stains is used for visualizing Mycobacterium?
 
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Question 10
10
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In the Gram stain, crystal violet serves as the
 
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Question 11
11
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In the Gram stain, which of the reagents actually differentiates between Gram positive and Gram negative cells?
 
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Question 12
12
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All of the following statements concerning taxonomy are true EXCEPT:
 
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Question 13
13
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The designation E. coli O157:H7 is a result of which type of microbial identification process?
 
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Question 14
14
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The domain, a taxon proposed by Carl Woese, contains or replaces which of the following taxonomic groups?
 
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Question 15
15
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Which of the following taxonomic groupings was NOT part of the traditional Linnaean system of classification?
 
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Question 16
16
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Which of the following staining procedures is useful for visualizing endospores?
 
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Question 17
17
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Which of the following combinations would give the best microscopic resolution?
 
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Question 18
18
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All of the following are aspects of scanning electron microscopy EXCEPT:
 
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Question 19
19
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Which of the following is a true statement concerning basic dyes?
 
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Question 20
20
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What is the purpose of fixation in smear preparation?
 
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