Growth and Nutrition of Bacteria The organism which obtain their energy from chemicals are designated as organotrophs prototrophs chemotrophs autotrophs organotrophs prototrophs chemotrophs autotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Microaerophilic bacteria are those which require oxygen for activation of enzymes 21 % oxygen for growth None of these low levels of oxygen for growth (lesser than O2 present in atmosphere) oxygen for activation of enzymes 21 % oxygen for growth None of these low levels of oxygen for growth (lesser than O2 present in atmosphere) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A synergistic effect is observed when one organism removes an inhibitory substance for another one organism produces a growth factor utilized by another All of these microbial alteration of pH, aw, Eh favours the growth of another one organism removes an inhibitory substance for another one organism produces a growth factor utilized by another All of these microbial alteration of pH, aw, Eh favours the growth of another ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The generation time of a culture that produces two generations per hour is None of these lesser than that produces three generations per hour greater than that produces three generations per hour equal to that produces three generations per hour None of these lesser than that produces three generations per hour greater than that produces three generations per hour equal to that produces three generations per hour ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Exponential phase of growth curve of bacteria is of limited duration because of accumulation of toxic metabolites all of these exhaustion of nutrients rise in cell density accumulation of toxic metabolites all of these exhaustion of nutrients rise in cell density ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is not the characteristic of a growth curve? Plotted with logarithmic numbers Graphs numbers of microbes versus time Shows development of microbial population under relatively stable environmental conditions Each growth curve consists of four distinct phases Plotted with logarithmic numbers Graphs numbers of microbes versus time Shows development of microbial population under relatively stable environmental conditions Each growth curve consists of four distinct phases ANSWER DOWNLOAD EXAMIANS APP
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