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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
The reproduction by budding occur in

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

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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?

Petroff-Hausser chamber
Trubidostat
Hemostat
Coulter Counter

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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
doesn't use oxygen but tolerates it
prefers to grow without oxygen
is killed by oxygen

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Growth and Nutrition of Bacteria
Exponential phase of growth curve of bacteria is of limited duration because of

exhaustion of nutrients
all of these
rise in cell density
accumulation of toxic metabolites

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Growth and Nutrition of Bacteria
The organism which obtain their energy from chemicals are designated as

organotrophs
chemotrophs
prototrophs
autotrophs

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Growth and Nutrition of Bacteria
A microbe, which grows at temperatures above 95° C is most likely to be

a protozoan
a fungus
an archaean
none of these

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