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Growth and Nutrition of Bacteria

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

Coulter Counter
Chemostat
Hemostat
Petroff-Hausser chamber

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Growth and Nutrition of Bacteria
Quantitative measurement of bacterial growth can be carried out by measuring

all of these
cell count
cell activity
cell mass

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Growth and Nutrition of Bacteria
All organisms require at least small amounts of carbondioxide, However, some can use CO2 as their sole source of carbon. Such organisms are termed as

photo-organotrophs
chemotrophs
phototrophs
autotrophs

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Growth and Nutrition of Bacteria
An organism that expends energy to grow in a habitat with a low water activity in order to maintain internal solute concentrations to retain water is

acidophile
osmotolerant
alkalophile
aerotolerant anaerobe

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

E. coli
Yeast and moulds
Bacteria
None of these

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Growth and Nutrition of Bacteria
Postgates assay technique is useful in determining if a cell is viable even though it is

a thermophile
too small to see
incapable of cell division
an obligate aerobe

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