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Growth and Nutrition of Bacteria

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

binary fission
budding
fragmentation
all of these

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

Hemostat
Petroff-Hausser chamber
Coulter Counter
Chemostat

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Growth and Nutrition of Bacteria
Microaerophilic bacteria are those which require

None of these
low levels of oxygen for growth (lesser than O2 present in atmosphere)
oxygen for activation of enzymes
21 % oxygen for growth

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

is killed by oxygen
requires less oxygen than is present in air
uses oxygen when present or grows without oxygen when absent
doesn't use oxygen but tolerates it

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Growth and Nutrition of Bacteria
The equation used to obtain bacterial population by binary fission is

N = No2n
log N/No = (0.3010) n
log(N/No) = nlog 2
All of these

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Growth and Nutrition of Bacteria
Bacteria and fungi multiply best

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

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