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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Which of the following is the suitable temperature range for mesophiles?

None of these
>40°C
25-40°C
20-30°C

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Growth and Nutrition of Bacteria
The total biomass of an organism will be determined by the nutrient present in the lowest concentration relative to the organism's requirements is a statement of

Heisenberg's principle of uncertainty
Liebig's law of the minimum
quorum sensing
Shelford's law of tolerance

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

Bacillus subtilis
Hyphomicrobium vulgare
Both (a) and (b)
Rhodopseudomonas acidophila

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

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

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

Coulter Counter
Hemostat
Chemostat
Petroff-Hausser chamber

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Growth and Nutrition of Bacteria
Organisms such as lactobacilli that have elaborate requirements for specific nutrients i.e. vitamins and other growth promoting substances, are generally called as

chemotrophs
fastidious hetrotrophs
chemo-lithotrophs
photo-organotrophs

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