Growth and Nutrition of Bacteria The growth is normally expressed as __________ in turbidimetric measurement cfu/ml cells per ml mg N2 /ml optical density cfu/ml cells per ml mg N2 /ml optical density ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from carbon dioxide? Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Anaerobic, glucose-respiring bacteria (anaerobic respiration) Aerobic, glucose-respiring bacteria (aerobic respiration) Glucose-fermenting bacteria (fermentation) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Anaerobic, glucose-respiring bacteria (anaerobic respiration) Aerobic, glucose-respiring bacteria (aerobic respiration) Glucose-fermenting bacteria (fermentation) 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 photo-organotrophs fastidious hetrotrophs chemo-lithotrophs chemotrophs photo-organotrophs fastidious hetrotrophs chemo-lithotrophs chemotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is used to grow bacterial cultures continuously? Chemostat Hemostat Petroff-Hausser chamber Coulter Counter Chemostat Hemostat Petroff-Hausser chamber Coulter Counter ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Microaerophilic bacteria are those which require None of these 21 % oxygen for growth low levels of oxygen for growth (lesser than O2 present in atmosphere) oxygen for activation of enzymes None of these 21 % oxygen for growth low levels of oxygen for growth (lesser than O2 present in atmosphere) oxygen for activation of enzymes ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Bacteria and fungi multiply best above 38°C between 16-38°C none of these below 16°C above 38°C between 16-38°C none of these below 16°C ANSWER DOWNLOAD EXAMIANS APP