1) Which of the following are found primarily in the intestines of humans? |
Answer: C |
Figure 11.1 2) What is group "c." in the key shown in Figure 11.1? |
Answer: E |
3) Which of the following is NOT a characteristic inherent of the non-endospore-forming gram-positive rods? |
Answer: D |
4) Which of the following is NOT a characteristic of Neisseria? |
Answer: A |
5) Staphylococcus and Streptococcus can be easily differentiated in a laboratory by which one of the following? |
Answer: C |
6) Which of the following genera is an anaerobic gram-negative rod? |
Answer: C |
7) Which of the following do you expect to be MOST resistant to high temperatures? |
Answer: A |
8) Which of the following is NOT an enteric? |
Answer: E |
9) Which of the following is NOT a characteristic of spirochetes? |
Answer: D |
10) You have isolated a bacterium that grows in a medium containing an organic substrate and nitrate in the absence of oxygen. The nitrate is reduced to nitrogen gas. You can be sure that this bacterium is |
Answer: B |
11) Which of the following lacks a cell wall? |
Answer: B |
12) Which of the following bacteria is gram-negative? |
Answer: A |
13) Which of the following form conidiospores? |
Answer: B |
14) Which of the following pairs is mismatched? |
Answer: C |
15) Rickettsias differ from chlamydias in that rickettsias |
Answer: C |
16) Requirements for X and V factors are used to identify |
Answer: D |
17) You have isolated a bacterium that grows in a medium containing only inorganic nutrients. Ammonia is oxidized to a nitrate ion. This bacterium is |
Answer: C |
18) Which of the following bacteria is gram-positive? |
Answer: C |
19) Escherichia coli belongs to the |
Answer: A |
20) Which one of the following bacteria does NOT belong with the others? |
Answer: B |
21) Which of the following statements about the causative agent of Rocky Mountain spotted fever is FALSE? |
Answer: E |
22) A primary difference between cyanobacteria and purple and green phototrophic bacteria is |
Answer: C |
23) Which one of the following bacteria does NOT belong with the others? |
Answer: E |
24) Which of the following bacteria are responsible for more infections and more different kinds of infections? |
Answer: A |
25) Both Beggiatoa and the purple sulfur bacteria use H2S. These bacteria differ in that Beggiatoa |
Answer: A |
26) The nonsulfur photosynthetic bacteria use organic compounds as |
Answer: B |
27) Which of the following is the best reason to classify Streptococcus in the Lactobacillales? |
Answer: D |
28) Streptomyces differs from Actinomyces because Streptomyces |
Answer: D |
29) All of the following bacteria are gram-positive. Which does NOT belong with the others? |
Answer: D |
30) Salmonella, Shigella, Yersinia, and Serratia are all |
Answer: B |
31) You have isolated a gram-positive rod. What should you do next? |
Answer: C |
32) Borrelia is classified as a spirochete because it |
Answer: B |
33) Thiobacillus oxidizes inorganic sulfur compounds and reduces CO2. This bacterium is a |
Answer: B |
34) You have isolated a prokaryotic cell. The first step in identification is a(n) |
Answer: A |
35) Actinomycetes differ from fungi in that actinomycetes |
Answer: B |
36) You have isolated an aerobic gram-positive, endospore-forming bacterium that grows well on nutrient agar. To which of the following groups does it most likely belong? |
Answer: D |
37) Which of the following pairs is mismatched? |
Answer: E |
38) Which one of the following does NOT belong with the others? |
Answer: D |
39) Caulobacter are different from most bacteria in that they |
Answer: C |
40) All of the following bacteria are motile. Which does NOT have flagella? |
Answer: D |
41) Which of the following bacteria does NOT belong with the others? |
Answer: D |
42) Mycoplasmas differ from other bacteria in that they |
Answer: B |
43) Which of the following pairs is NOT correctly matched? |
Answer: A |
44) Burkholderia was reclassified from the gammaproteobacteria to the betaproteobacteria because |
Answer: E |
45) The crab industry needs female crabs for growing more crabs. What bacterium might be used to ensure development of female crabs and shrimp? |
Answer: E |
True/False Questions 1) Bacterial predators such as Bdellovibrio are members of the betaproteobacteria. |
Answer: FALSE |
2) Two distinguishing factors of the epsilonproteobacteria that they are motile and microaerophilic. |
Answer: TRUE |
3) Myxobacteria are classified as actinobacteria due to fungal-like lifestyle. |
Answer: FALSE |
4) The Gram stain is not suitable for identifying members of the Archaea. |
Answer: FALSE |
5) The deinococci can be categorized as extremophiles. |
Answer: TRUE |
6) All gram-negative bacteria are classified as proteobacteria. |
Answer: FALSE |
7) The majority of bacterial species on Earth have not been successfully cultivated. |
Answer: TRUE |
8) Photosynthetic organisms always produce oxygen gas as a metabolic byproduct. |
Answer: FALSE |
9) Currently, no members of Archaea have been linked to human disease. |
Answer: TRUE |
10) The human body is typically free of archaeal species. |
Answer: FALSE |
microbiology chapter 11
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