Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from organic compounds? None of these Aerobic, glucose-respiring bacteria (aerobic respiration) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Photosynthetic cyanobacteria (phototrophic metabolism) None of these Aerobic, glucose-respiring bacteria (aerobic respiration) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Photosynthetic cyanobacteria (phototrophic metabolism) 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 chemotrophs autotrophs phototrophs photo-organotrophs chemotrophs autotrophs phototrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is not the characteristic of a growth curve? Each growth curve consists of four distinct phases Shows development of microbial population under relatively stable environmental conditions Graphs numbers of microbes versus time Plotted with logarithmic numbers Each growth curve consists of four distinct phases Shows development of microbial population under relatively stable environmental conditions Graphs numbers of microbes versus time Plotted with logarithmic numbers 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 one organism produces a growth factor utilized by another one organism removes an inhibitory substance for another All of these microbial alteration of pH, aw, Eh favours the growth of another one organism produces a growth factor utilized by another one organism removes an inhibitory substance for another All of these ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The average size of cells during the exponential phase of growth is lesser than the lag phase greater than the lag phase none of these equal to the lag phase lesser than the lag phase greater than the lag phase none of these equal to the lag phase 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? Trubidostat Coulter Counter Hemostat Petroff-Hausser chamber Trubidostat Coulter Counter Hemostat Petroff-Hausser chamber ANSWER DOWNLOAD EXAMIANS APP
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