Growth and Nutrition of Bacteria Which of the following is the suitable temperature range for mesophiles? >40°C 25-40°C None of these 20-30°C >40°C 25-40°C None of these 20-30°C ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The combination of low levels of NaCl, NaNO3 (sodium nitrate), and slightly acid pH can prevent multiplication and toxin formation of S. aureus all of these Salmonella C. botulinum S. aureus all of these Salmonella C. botulinum ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Some organisms can use reduced inorganic compounds as electron donors and are termed as chemotrophs photo-organotrophs lithotrophs phototrophs chemotrophs photo-organotrophs lithotrophs 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 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 Shows development of microbial population under relatively stable environmental conditions Graphs numbers of microbes versus time ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Microaerophilic bacteria are those which require 21 % oxygen for growth None of these low levels of oxygen for growth (lesser than O2 present in atmosphere) oxygen for activation of enzymes 21 % oxygen for growth None of these 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 The average size of cells during the exponential phase of growth is greater than the lag phase equal to the lag phase none of these lesser than the lag phase greater than the lag phase equal to the lag phase none of these lesser than the lag phase ANSWER DOWNLOAD EXAMIANS APP
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