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Growth and Nutrition of Bacteria

Growth and Nutrition of Bacteria
Which of the following is the suitable temperature range for mesophiles?

None of these
20-30°C
25-40°C
>40°C

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Growth and Nutrition of Bacteria
Some organisms can use reduced inorganic compounds as electron donors and are termed as

photo-organotrophs
chemotrophs
lithotrophs
phototrophs

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

budding
all of these
binary fission
fragmentation

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

None of these
E. coli
Bacteria
Yeast and moulds

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Growth and Nutrition of Bacteria
Antimicrobial constituents for the microbial growth in foods are

intrinsic factor
extrinsic factor
none of these
both (a) and (b)

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

psychrophilic
mesosphilic
thermophilic
any of these

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