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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
The reproduction by budding occur in

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

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Growth and Nutrition of Bacteria
The term obligate anaerobe refers to an organism that

uses oxygen when present or grows without oxygen when oxygen is absent
is killed by oxygen
prefers to grow without oxygen
doesn't use oxygen but tolerates it

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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

photo-organotrophs
fastidious hetrotrophs
chemotrophs
chemo-lithotrophs

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Growth and Nutrition of Bacteria
The cell reproduction in bacteria may occur by

budding
binary fission
fragmentation
all of these

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Growth and Nutrition of Bacteria
Bacteria of genus Nitrosomonas use __________ as their electron source.

H2S
succinate
ammonia
light

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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
Shelford's law of tolerance
quorum sensing
Liebig's law of the minimum

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