Growth and Nutrition of Bacteria Which of the following has more tolerance for acidic pH (lower pH)? E. coli Yeast and moulds None of these Bacteria E. coli Yeast and moulds None of these Bacteria ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from carbon dioxide? Glucose-fermenting bacteria (fermentation) Anaerobic, glucose-respiring bacteria (anaerobic respiration) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Aerobic, glucose-respiring bacteria (aerobic respiration) Glucose-fermenting bacteria (fermentation) Anaerobic, glucose-respiring bacteria (anaerobic respiration) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Aerobic, glucose-respiring bacteria (aerobic respiration) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is not the characteristic of a growth curve? Graphs numbers of microbes versus time Each growth curve consists of four distinct phases Shows development of microbial population under relatively stable environmental conditions Plotted with logarithmic numbers Graphs numbers of microbes versus time Each growth curve consists of four distinct phases Shows development of microbial population under relatively stable environmental conditions Plotted with logarithmic numbers ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The period between inoculation of bacteria in a culture medium and beginning of multiplication is known as decline phase lag phase log phase stationary phase decline phase lag phase log phase stationary phase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Organisms such as lactobacilli that have elaborate requirements for specific nutrients i.e. vitamins and other growth promoting substances, are generally called as fastidious hetrotrophs photo-organotrophs chemo-lithotrophs chemotrophs fastidious hetrotrophs photo-organotrophs chemo-lithotrophs chemotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A synergistic effect is observed when microbial alteration of pH, aw, Eh favours the growth of another All of these one organism produces a growth factor utilized by another one organism removes an inhibitory substance for another microbial alteration of pH, aw, Eh favours the growth of another All of these one organism produces a growth factor utilized by another one organism removes an inhibitory substance for another ANSWER DOWNLOAD EXAMIANS APP
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