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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
an archaean
a protozoan
a fungus

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

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

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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

lag phase
decline phase
log phase
stationary phase

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

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

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

Chemostat
Hemostat
Coulter Counter
Petroff-Hausser chamber

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Growth and Nutrition of Bacteria
Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media?

Trubidostat
Coulter Counter
Hemostat
Petroff-Hausser chamber

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