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Microbiology - Growth and Nutrition of Bacteria

Exercise : Growth and Nutrition of Bacteria - Section 1
  • Growth and Nutrition of Bacteria - Section 1
26.
Which of the following has more tolerance for acidic pH (lower pH)?
Yeast and moulds
Bacteria
E. coli
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The ability of Vibrio fischeri to produce bioluminescence chemicals only when a certain population density has been reached is an example of
Liebig's law of the minimum
Shelford's law of tolerance
quorum sensing
Heisenberg's principle of uncertainty
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Antimicrobial constituents for the microbial growth in foods are
intrinsic factor
extrinsic factor
both (a) and (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
The average size of cells during the exponential phase of growth is
greater than the lag phase
lesser than the lag phase
equal to the lag phase
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
A culture broth tube was very turbid at the surface but clear throughout the rest of the tube indicating that the
organism are aerobes
organism should be grown in an anaerobic chamber
organism cannot produce superoxide dismutase and/or catalase
organism cannot tolerate oxygen
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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