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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

none of these
between 16-38°C
above 38°C
below 16°C

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Growth and Nutrition of Bacteria
A culture broth tube was very turbid at the bottom of the tube but clear at the top of the tube indicating that the

organism should be grown in an anaerobic chamber
organism cannot produce superoxide dismutase and/or catalase
organism can tolerate oxygen
broth is sterile

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Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

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

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Growth and Nutrition of Bacteria
The generation time of a culture that produces two generations per hour is

greater than that produces three generations per hour
None of these
lesser than that produces three generations per hour
equal to that produces three generations per hour

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Growth and Nutrition of Bacteria
Nutrient content and biological structures are considered as

processing factor
None of these
intrinsic factor for microbial growth
implicit factor for microbial growth

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Growth and Nutrition of Bacteria
The combination of low levels of NaCl, NaNO3 (sodium nitrate), and slightly acid pH can prevent multiplication and toxin formation of

Salmonella
all of these
C. botulinum
S. aureus

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