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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
The straightforward method of binary fission explains how bacteria

reproduce
grow in nutrient agar
evolve
move

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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?

Petroff-Hausser chamber
Hemostat
Coulter Counter
Trubidostat

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Growth and Nutrition of Bacteria
A synergistic effect is observed when

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

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Growth and Nutrition of Bacteria
During exponential growth, the growth rate is

number of generations per unit time
none of these
reciprocal of generation time
both (a) and (b)

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

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

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Growth and Nutrition of Bacteria
Autotrophic bacteria are those which

produce a blue-green pigment
make their own food
form a long chain glycocalyx
are highly susceptible to penicillin

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