Q.1
In the classification of bacteria according to shape, which among the following refers to cuboidal arrangement of bacterial cells?
  • a) Tetrads
  • b) Staphylococci
  • c) Sarcinae
  • d) Streptococci
Q.2
Which group of bacteria among the following have the largest area of contact?
  • a) Palisades
  • b) Trichomes
  • c) Streptobacilli
  • d) Diplobacilli
Q.3
Which among the following are “Spirochetes”?
  • a) Spirillum volutans
  • b) Corynebacterium diphtheriae
  • c) Streptomyces sp.
  • d) Treponema pallidum
Q.4
What is the approximate size of the bacterial cell?
  • a) 2mm in diameter
  • b) 1mm in diameter
  • c) 2 micrometer in diameter
  • d) 0.5 to 1.0 micrometer in diameter
Q.5
When rod shaped bacteria appears in pairs, it is known as?
  • a) Diplobacilli
  • b) Streptobacilli
  • c) Diplococci
  • d) Staphylococci
Q.6
Surface area/volume ratio of bacteria is exceedingly low compared to the same ratio for larger organisms of similar shape.
  • a) True
  • b) False
Q.7
Bacteria with less than a complete twist or comma shaped is known as?
  • a) spirilla
  • b) helical
  • c) vibrioid
  • d) spirochetes
Q.8
Which of the following are functions of the stalk?
  • a) nutrient absorption
  • b) motility
  • c) attachment of the cells to surfaces
  • d) human infection
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