IN CLASS SCANTRON

1
IN CLASS (SCANTRON) 1

• All the following are characteristics of the
  bacterial cell wall except
• a) lends rigidity to the cell.
• b) Site for antibiotic vulnerability
• c) Contains peptidoglycan
• d) Contains ribosomes, sites for protein
  synthesis
• The agar in nutrient agar serves as a
• a) protein source.
• b) pH stabilizer.
• c) medium supplement.
• d) solidifying agent.
• e) storehouse for carbohydrates.
• The peptidoglycan of a bacterium
• a) is located primarily in the spore.
• b) together with protein is formed in the
  capsule.
• c) cannot be synthesized if penicillin is
  present.
• d) is associated with the cell membrane.
• e) is found in Gram-positive bacteria only.
• Glycocalyx refers to all of the following except
• a) A coating outside the cell wall

• The process by which bacteria reproduce is known
  as
• a) meiosis.
• b) spontaneous generation.
• c) mitosis.
• d) spontaneous mutation.
• e) binary fission.
• A bacterium characterized as a tetrad has which
  of the following morphological shapes?
• a) rod
• b) spherical in long chains
• c) spherical in packets of four or eight
• Spherical
• TRUE/FALSE
• The Gram stain is a differential technique
  because it separates bacteria into 2 groups.
• Crystal violet is a basic dye commonly used in
  simple staining
• The effect of penicillin, which prevents
  peptidoglycan construction, is more evident in
  Gram-positive than in Gram-negative bacteria.
• All bacteria have flagella