Growth and Nutrition of Bacteria

 

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Growth and Nutrition of Bacteria

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Question 1
Microaerophilic bacteria are those which require
A
21 % oxygen for growth
B
low levels of oxygen for growth (lesser than O$_{2}$ present in atmosphere)
C
oxygen for activation of enzymes
D
none of the above
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Question 2
The ability of Vibrio fischeri to produce bioluminescence chemicals only when a certain population density has been reached is an example of
A
Liebig's law of the minimum
B
Shelford's law of tolerance
C
quorum sensing
D
Heisenberg's principle of uncertainty
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Question 3
Organisms, using organic compounds as electron donors are called
A
lithotrophs
B
phototrophs
C
chemotrophs
D
organotrophs
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Question 4
Nutrient content and biological structures are considered as
A
implicit factor for microbial growth
B
intrinsic factor for microbial growth
C
processing factor
D
none of the above
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Question 5
Which of the following is used to grow bacterial cultures continuously?
A
Chemostat
B
Coulter Counter
C
Hemostat
D
Petroff-Hausser chamber
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There are 5 questions to complete.

 

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