Growth and Nutrition of Bacteria Microaerophilic bacteria are those which require None of these oxygen for activation of enzymes low levels of oxygen for growth (lesser than O2 present in atmosphere) 21 % oxygen for growth None of these oxygen for activation of enzymes low levels of oxygen for growth (lesser than O2 present in atmosphere) 21 % oxygen for growth ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria Some organisms can use reduced inorganic compounds as electron donors and are termed as phototrophs lithotrophs photo-organotrophs chemotrophs phototrophs lithotrophs photo-organotrophs chemotrophs ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria What is the primary source of food for marine life? Zooplankton Phytoplankton Grass Sea weed Zooplankton Phytoplankton Grass Sea weed ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria The fragmentation occurs in Streptomyces species None of these Nocardia species Bacillus subtilis Streptomyces species None of these Nocardia species Bacillus subtilis ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria A culture broth tube was very turbid at the bottom of the tube but clear at the top of the tube indicating that the organism can tolerate oxygen organism should be grown in an anaerobic chamber broth is sterile organism cannot produce superoxide dismutase and/or catalase organism can tolerate oxygen organism should be grown in an anaerobic chamber broth is sterile organism cannot produce superoxide dismutase and/or catalase ANSWER DOWNLOAD EXAMIANS APP
Growth and Nutrition of Bacteria An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is osmotolerant acidophile aerotolerant anaerobe neutrophile osmotolerant acidophile aerotolerant anaerobe neutrophile ANSWER DOWNLOAD EXAMIANS APP
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