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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

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

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Growth and Nutrition of Bacteria
An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is

neutrophile
osmotolerant
aerotolerant anaerobe
acidophile

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Growth and Nutrition of Bacteria
The growth is normally expressed as __________ in turbidimetric measurement

cells per ml
cfu/ml
mg N2 /ml
optical density

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Growth and Nutrition of Bacteria
Which of the following is used to grow bacterial cultures continuously?

Hemostat
Petroff-Hausser chamber
Coulter Counter
Chemostat

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

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

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Growth and Nutrition of Bacteria
Which of the following has more tolerance for acidic pH (lower pH)?

E. coli
None of these
Yeast and moulds
Bacteria

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