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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
A microbe, which grows at temperatures above 95° C is most likely to be

none of these
a protozoan
an archaean
a fungus

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Growth and Nutrition of Bacteria
Some organisms can use reduced inorganic compounds as electron donors and are termed as

chemotrophs
phototrophs
lithotrophs
photo-organotrophs

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Growth and Nutrition of Bacteria
The period between inoculation of bacteria in a culture medium and beginning of multiplication is known as

stationary phase
decline phase
log phase
lag phase

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Growth and Nutrition of Bacteria
The reproduction by budding occur in

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

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Growth and Nutrition of Bacteria
The ability of Vibrio fischeri to produce bioluminescence chemicals only when a certain population density has been reached is an example of

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

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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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