Classification of Anaerobic Bacteria

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Questions and Answers

Which of the following bacteria is known for its rod-shaped morphology?

  • Streptococcus pneumoniae
  • Staphylococcus spp.
  • Neisseria weaver
  • Fusobacterium spp. (correct)

What is the characteristic arrangement of Staphylococcus spp.?

  • Filamentous
  • Clusters (correct)
  • Pairs
  • Chains

Which type of bacteria is described as having large, rounded ends and being non-spore forming?

  • Neisseria weaver
  • Staphylococcus spp.
  • Fusobacterium spp. (correct)
  • Streptococcus pneumoniae

Which bacteria are typically arranged in pairs except for Neisseria weaver and Neisseria elongate?

<p>Streptococcus pneumoniae (B)</p> Signup and view all the answers

Which type of bacilli are characterized by being arranged in chains?

<p>Fusobacterium spp. (B)</p> Signup and view all the answers

Which term describes a rod-shaped bacterium?

<p>Bacillus (C)</p> Signup and view all the answers

What is the resulting arrangement of cocci that are divided by two planes of division?

<p>Tetrads (D)</p> Signup and view all the answers

Which type of bacterial morphology has a diameter of 0.1 to 0.3 mm and is found in ocean sediment?

<p>Thiomargarita namibiensis (D)</p> Signup and view all the answers

What is the resulting arrangement of cocci that are divided by three planes of division in a regular pattern?

<p>Sarcina (B)</p> Signup and view all the answers

What does the term 'pleomorphism' refer to in bacteria?

<p>Varying in sizes (C)</p> Signup and view all the answers

In bacterial morphology, what is the term for bacilli that are short and small?

<p>Fusiform (B)</p> Signup and view all the answers

What is the characteristic shape of a SINGLE BACILLUS?

<p>Rod-shaped (B)</p> Signup and view all the answers

Which type of bacilli are arranged in chains?

<p>Large, square cut-ends, spore forming bacillus (D)</p> Signup and view all the answers

How are small and short bacilli typically arranged in stained smears?

<p>In a school of fish pattern (B)</p> Signup and view all the answers

What is the characteristic arrangement of DIPLOBACILLUS?

<p>In pairs (B)</p> Signup and view all the answers

Which of the following examples is associated with branching or filamentous bacilli?

<p>Actinomyces spp. (D)</p> Signup and view all the answers

**What shape characterizes CURVED OR COMMA SHAPED BACILLI?

<p>Comma-shaped (A)</p> Signup and view all the answers

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