Identification of Bacteria Which of the following inference(s) indicate(s) the ability of an organism to utilize citrate as a sole source of carbon in Simmon's citrate medium? Both (a) and (b) Blue colour Appearance of growth None of these Both (a) and (b) Blue colour Appearance of growth None of these ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria The production of sufficient acid by fermentation of glucose leads to decrease in pH such that pH of the medium falls below 4.5. Which of the following test can detect it? Citrate utilization test Methyl red test Voges-Proskauer test Indole test Citrate utilization test Methyl red test Voges-Proskauer test Indole test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Production of acetoin can be detected by which of the following tests? Voges-Proskauer test Citrate test Methyl red test Indole test Voges-Proskauer test Citrate test Methyl red test Indole test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is a substitute for crystal violet used in gram-staining procedure? Safranin Bromocresol green Methylene blue Phenolpthalene Safranin Bromocresol green Methylene blue Phenolpthalene ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following shows a positive urease test? Both (a) and (b) Klebsiella Proteus None of these Both (a) and (b) Klebsiella Proteus None of these ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria The deinococci are gram-positive cocci and rods that are distinctive in their unusually great resistance to radiation both (a) and (b) desiccation extreme temperatures radiation both (a) and (b) desiccation extreme temperatures ANSWER DOWNLOAD EXAMIANS APP