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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
The fragmentation occurs in

Nocardia species
Streptomyces species
None of these
Bacillus subtilis

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Growth and Nutrition of Bacteria
Antimicrobial constituents for the microbial growth in foods are

intrinsic factor
extrinsic factor
none of these
both (a) and (b)

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Growth and Nutrition of Bacteria
Organisms, using organic compounds as electron donors are called

organotrophs
phototrophs
lithotrophs
chemotrophs

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Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

chemo-lithotrophs
chemo-organotrophs
both (a) and (b)
none of these

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Growth and Nutrition of Bacteria
Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media?

Hemostat
Coulter Counter
Petroff-Hausser chamber
Trubidostat

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Growth and Nutrition of Bacteria
A synergistic effect is observed when

one organism produces a growth factor utilized by another
microbial alteration of pH, aw, Eh favours the growth of another
one organism removes an inhibitory substance for another
All of these

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