Cell Cultures And Characteristics(Microbiology ) Questions and Answers

Question 1. Peptone water and nutrient broth are
  1.    selective media
  2.    enriched media
  3.    basal media
  4.    none of these
Explanation:-
Answer: Option C. -> basal media
Answer: (c).basal media
Question 2. The medium which allows the growth of more than one microorganisms of interest but with morphologically distinguishable colonies is known as
  1.    selective medium
  2.    enrichment medium
  3.    differential medium
  4.    none of these
Explanation:-
Answer: Option C. -> differential medium
Answer: (c).differential medium
Question 3. Stuart's transport medium is used for transport of specimen containing
  1.    Neisseria gonorrhoeae
  2.    Salmonella
  3.    Vibrio cholerae
  4.    Shigella
Explanation:-
Answer: Option A. -> Neisseria gonorrhoeae
Answer: (a).Neisseria gonorrhoeae
Question 4. Selective media facilitate growth of only one kind of organism. Saboraud medium is used to selectively isolate
  1.    coliform bacteria
  2.    gram positive bacteria
  3.    yeasts
  4.    acid fast organisms
Explanation:-
Answer: Option C. -> yeasts
Answer: (c).yeasts
Question 5. Plate counts are often reported as
  1.    cfu
  2.    cfu/ml
  3.    Both (a) and (b)
  4.    thousands/ml
Explanation:-
Answer: Option B. -> cfu/ml
Answer: (b).cfu/ml
Question 6. Organic molecules that increase the rate of metabolic reactions with themselves changing are known as
  1.    coenzymes
  2.    enzymes
  3.    substrates
  4.    reactants
Explanation:-
Answer: Option B. -> enzymes
Answer: (b).enzymes
Question 7. Enzymes can
  1.    not pass through semipermeable membrane
  2.    pass through semipermeable membrane
  3.    dissolve semipermeable membrane
  4.    none of these
Explanation:-
Answer: Option A. -> not pass through semipermeable membrane
Answer: (a).not pass through semipermeable membrane
Question 8. The active form of enzyme is
  1.    apoenzyme
  2.    coenzyme
  3.    holoenzyme
  4.    none of these
Explanation:-
Answer: Option C. -> holoenzyme
Answer: (c).holoenzyme
Question 9. Protein portion of an enzyme when it is combined with organic molecule is termed as
  1.    apoenzyme
  2.    co-enzyme
  3.    holoenzyme
  4.    co-factors
Explanation:-
Answer: Option A. -> apoenzyme
Answer: (a).apoenzyme
Question 10. Which of the following is the necessary step for cultivating the microorganisms?
  1.    Preparing a culture medium for the growth of microorganisms
  2.    Sterilizing in order to eliminate all living microorganisms in vessel
  3.    Inoculating the microorganisms in the prepared medium
  4.    All of the above
Explanation:-
Answer: Option D. -> All of the above
Answer: (d).All of the above
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