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 photo-organotrophs chemo-lithotrophs chemotrophs fastidious hetrotrophs photo-organotrophs chemo-lithotrophs chemotrophs fastidious hetrotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media? Coulter Counter Petroff-Hausser chamber Hemostat Trubidostat Coulter Counter Petroff-Hausser chamber Hemostat Trubidostat ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A synergistic effect is observed when one organism produces a growth factor utilized by another All of these one organism removes an inhibitory substance for another microbial alteration of pH, aw, Eh favours the growth of another one organism produces a growth factor utilized by another All of these one organism removes an inhibitory substance for another microbial alteration of pH, aw, Eh favours the growth of another ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from carbon dioxide? Aerobic, glucose-respiring bacteria (aerobic respiration) Anaerobic, glucose-respiring bacteria (anaerobic respiration) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Glucose-fermenting bacteria (fermentation) Aerobic, glucose-respiring bacteria (aerobic respiration) Anaerobic, glucose-respiring bacteria (anaerobic respiration) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Glucose-fermenting bacteria (fermentation) 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 stationary phase lag phase log phase decline phase stationary phase lag phase log phase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The microorganisms that grow best in a low-oxygen environment is called a (n) aerobe anaerobe facultative microaerophile aerobe anaerobe facultative microaerophile ANSWER DOWNLOAD EXAMIANS APP