Q. Exponential phase of growth curve of bacteria is of limited duration because of

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Q. A culture broth tube was very turbid at the bottom of the tube but clear at the top of the tube indicating that the

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Q. In the exponential phase, the cells and cell mass

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Q. What is the primary source of food for marine life?

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Q. Postgates assay technique is useful in determining if a cell is viable even though it is

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Q. What are the extrinsic factors for the microbial growth?

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Q. Quantitative measurement of bacterial growth can be carried out by measuring

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Q. Organisms such as lactobacilli that have elaborate requirements for specific nutrients i.e. vitamins and other growth promoting substances, are generally called as

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Q. The combination of low levels of NaCl, NaNO3 (sodium nitrate), and slightly acid pH can prevent multiplication and toxin formation of

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Q. Bacteria of genus Nitrosomonas use __________ as their electron source.

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Q. 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

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Q. The generation time of a culture that produces two generations per hour is

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Q. Autotrophic bacteria are those which

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Q. Which of the following organisms typically get their carbon for biosynthesis from organic compounds?

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Q. An organism is completely dependent on atmospheric O2 for growth. This organism is

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Q. Microaerophilic bacteria are those which require

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Q. The period between inoculation of bacteria in a culture medium and beginning of multiplication is known as

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Q. The term aerotolerant anaerobe refers to an organism that

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Q. The term obligate anaerobe refers to an organism that

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Q. The fragmentation occurs in

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