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 autotrophs chemotrophs phototrophs photo-organotrophs autotrophs chemotrophs phototrophs photo-organotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A culture broth tube was very turbid at the surface but clear throughout the rest of the tube indicating that the organism cannot produce superoxide dismutase and/or catalase organism cannot tolerate oxygen organism should be grown in an anaerobic chamber organism are aerobes organism cannot produce superoxide dismutase and/or catalase organism cannot tolerate oxygen organism should be grown in an anaerobic chamber organism are aerobes ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A synergistic effect is observed when 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 one organism removes an inhibitory substance for another microbial alteration of pH, aw, Eh favours the growth of another ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following organisms typically get their carbon for biosynthesis from organic compounds? 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) None of these ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Generation time is time required for the initial adjustment both (a) and (c) time required for the population to double obtained by expression t/n, where t = time interval, n = number of generation time required for the initial adjustment both (a) and (c) time required for the population to double obtained by expression t/n, where t = time interval, n = number of generation ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Which of the following is the suitable temperature range for mesophiles? 25-40°C None of these 20-30°C >40°C 25-40°C None of these 20-30°C >40°C ANSWER DOWNLOAD EXAMIANS APP
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