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Growth and Nutrition of Bacteria

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

move
reproduce
grow in nutrient agar
evolve

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

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

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Growth and Nutrition of Bacteria
A synergistic effect is observed when

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

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

binary fission
budding
all of these
fragmentation

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Growth and Nutrition of Bacteria
Generation time of Escherichia coli is

20 days
200 hours
20 hours
20 minutes

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

Coulter Counter
Petroff-Hausser chamber
Chemostat
Hemostat

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