Growth and Nutrition of Bacteria The term obligate anaerobe refers to an organism that doesn't use oxygen but tolerates it uses oxygen when present or grows without oxygen when oxygen is absent is killed by oxygen prefers to grow without oxygen doesn't use oxygen but tolerates it uses oxygen when present or grows without oxygen when oxygen is absent is killed by oxygen prefers to grow without oxygen 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 Plotted with logarithmic numbers Shows development of microbial population under relatively stable environmental conditions Each growth curve consists of four distinct phases Graphs numbers of microbes versus time Plotted with logarithmic numbers Shows development of microbial population under relatively stable environmental conditions Each growth curve consists of four distinct phases ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Implicit factors None of these both (a) and (b) depend on developing microflora can be synergistic None of these both (a) and (b) depend on developing microflora can be synergistic ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria All organisms require at least small amounts of carbondioxide, However, some can use CO2 as their sole source of carbon. Such organisms are termed as photo-organotrophs phototrophs chemotrophs autotrophs photo-organotrophs phototrophs chemotrophs autotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A synergistic effect is observed when 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 microbial alteration of pH, aw, Eh favours the growth of another All of these one organism produces a growth factor utilized by another ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is aerotolerant anaerobe neutrophile osmotolerant acidophile aerotolerant anaerobe neutrophile osmotolerant acidophile ANSWER DOWNLOAD EXAMIANS APP