Growth and Nutrition of Bacteria Which of the following is not the characteristic of a growth curve? Shows development of microbial population under relatively stable environmental conditions Graphs numbers of microbes versus time Each growth curve consists of four distinct phases Plotted with logarithmic numbers Shows development of microbial population under relatively stable environmental conditions Graphs numbers of microbes versus time Each growth curve consists of four distinct phases Plotted with logarithmic numbers ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Some organisms can use reduced inorganic compounds as electron donors and are termed as lithotrophs chemotrophs photo-organotrophs phototrophs lithotrophs chemotrophs photo-organotrophs phototrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from carbon dioxide? Glucose-fermenting bacteria (fermentation) Aerobic, glucose-respiring bacteria (aerobic respiration) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Anaerobic, glucose-respiring bacteria (anaerobic respiration) Glucose-fermenting bacteria (fermentation) Aerobic, glucose-respiring bacteria (aerobic respiration) Ammonia-oxidizing bacteria (chemolithotrophic bacteria) Anaerobic, glucose-respiring bacteria (anaerobic respiration) ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A microbe, which grows at temperatures above 95° C is most likely to be none of these a protozoan a fungus an archaean none of these a protozoan a fungus an archaean ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A synergistic effect is observed when one organism removes an inhibitory substance for another one organism produces a growth factor utilized by another All of these microbial alteration of pH, aw, Eh favours the growth of another one organism removes an inhibitory substance for another one organism produces a growth factor utilized by another All of these microbial alteration of pH, aw, Eh favours the growth of another ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Exponential phase of growth curve of bacteria is of limited duration because of rise in cell density all of these accumulation of toxic metabolites exhaustion of nutrients rise in cell density all of these accumulation of toxic metabolites exhaustion of nutrients ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS