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Growth and Nutrition of Bacteria

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
An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is

osmotolerant
aerotolerant anaerobe
acidophile
neutrophile

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Growth and Nutrition of Bacteria
The fragmentation occurs in

Streptomyces species
Nocardia species
None of these
Bacillus subtilis

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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
prefers to grow without oxygen
uses oxygen when present or grows without oxygen when oxygen is absent
is killed by oxygen

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Growth and Nutrition of Bacteria
Which of the following has more tolerance for acidic pH (lower pH)?

Yeast and moulds
Bacteria
E. coli
None of these

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

prefers to grow without oxygen
doesn't use oxygen but can grow in the presence of oxygen
requires less oxygen than is present in air
is killed by oxygen

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