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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
The organism which grows best above 45°C are called

psychrophilic
thermophilic
any of these
mesosphilic

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

prototrophs
chemotrophs
autotrophs
organotrophs

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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?

Coulter Counter
Petroff-Hausser chamber
Trubidostat
Hemostat

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Growth and Nutrition of Bacteria
Pseudomonas pseudoflava can grow as

chemo-lithotrophs
both (a) and (b)
none of these
chemo-organotrophs

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Growth and Nutrition of Bacteria
Autotrophic bacteria are those which

make their own food
form a long chain glycocalyx
produce a blue-green pigment
are highly susceptible to penicillin

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Growth and Nutrition of Bacteria
What is the primary source of food for marine life?

Phytoplankton
Zooplankton
Grass
Sea weed

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