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 all of these S. aureus Salmonella C. botulinum all of these S. aureus Salmonella C. botulinum ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Lag phase is also known as period of initial adjustment none of these generation time transitional period period of initial adjustment none of these generation time transitional period ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria An organism that expends energy to grow in a habitat with a low water activity in order to maintain internal solute concentrations to retain water is osmotolerant acidophile alkalophile aerotolerant anaerobe osmotolerant acidophile alkalophile aerotolerant anaerobe ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Microaerophilic bacteria are those which require 21 % oxygen for growth low levels of oxygen for growth (lesser than O2 present in atmosphere) None of these oxygen for activation of enzymes 21 % oxygen for growth low levels of oxygen for growth (lesser than O2 present in atmosphere) None of these oxygen for activation of enzymes ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is the suitable temperature range for mesophiles? 25-40°C 20-30°C None of these >40°C 25-40°C 20-30°C None of these >40°C ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following has more tolerance for acidic pH (lower pH)? Bacteria Yeast and moulds E. coli None of these Bacteria Yeast and moulds E. coli None of these ANSWER DOWNLOAD EXAMIANS APP