Intro to Microbiology Chapter 11
Which of the following terms is the most specific? A) Bacillus B) anaerobic C) gram-positive D) bacillus E) endospore-forming rods & cocci
Bacillus
If you Gram-stained the bacteria that live in the human intestine, you would expect to find mostly A) gram-positive cocci. B) gram-negative rods. C) gram-positive, endospore-forming rods. D) gram-negative, nitrogen-fixing bacteria. E) all of the above
gram-negative rods
Spirillum is not classified as a spirochete because spirochetes A) possess flagella B) do not cause disease C) are prokaryotes D) possess axial filaments E) none of the above
possess axial filaments
12) Cyanobacteria differ from purple and green phototrophic bacteria because cyanobacteria A) produce oxygen during photosynthesis. B) do not require light. C) use H2S as an electron donor. D) have a membrane-enclosed nucleus.
produce oxygen during photosynthesis.
Which of the following pairs is mismatched? A) anaerobic endospore-forming gram-positive rods, Clostridium B) facultatively anaerobic gram-negative rods, Escherichia C) facultatively anaerobic gram-negative rods, Shigella D) pleomorphic gram-positive rods, Corynebacterium E) spirochete, Helicobacter
spirochete, Helicobacter
Which of the following does not belong with the others? A) Enterobacteriales B) Lactobacillales C) Legionellales D) Pasteurellales E) Vibrionales
Lactobacillales
Which of the following is an intracellular parasite? A) Mycobacterium B) Bacillus C) Rickettsia D) Streptococcus E) Staphylococcus
Rickettsia
Which one of the following does not belong with the others? A) Enterococcus B) Lactobacillus C) Streptococcus D) Staphylococcus E) all are grouped together
Staphylococcus
Pathogenic bacteria can be A) motile B) rods C) cocci D) anaerobic E) all of the above
all of the above
When Legionella was newly discovered, it was classified with the pseudomonads because A) it is a pathogen. B) it is an aerobic gram-negative rod. C) it is difficult to culture. D) it is found in water. E) none of the above
it is an aerobic gram-negative rod.
