Growth and Nutrition of Bacteria The term facultative anaerobe refers to an organism that doesn't use oxygen but tolerates it uses oxygen when present or grows without oxygen when absent is killed by oxygen requires less oxygen than is present in air doesn't use oxygen but tolerates it uses oxygen when present or grows without oxygen when absent is killed by oxygen requires less oxygen than is present in air ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The organism which grows best above 45°C are called thermophilic any of these psychrophilic mesosphilic thermophilic any of these psychrophilic mesosphilic ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Exponential phase of growth curve of bacteria is of limited duration because of exhaustion of nutrients accumulation of toxic metabolites all of these rise in cell density exhaustion of nutrients accumulation of toxic metabolites all of these rise in cell density 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 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 The average size of cells during the exponential phase of growth is greater than the lag phase lesser than the lag phase none of these equal to the lag phase greater than the lag phase lesser than the lag phase none of these equal to the lag phase ANSWER DOWNLOAD EXAMIANS APP