Identification of Bacteria Which of the following is a substitute for crystal violet used in gram-staining procedure? Phenolpthalene Bromocresol green Safranin Methylene blue Phenolpthalene Bromocresol green Safranin Methylene blue ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Ethyl alcohol A mixture of ethyl alcohol and acetone Acetone Methyl alcohol Ethyl alcohol A mixture of ethyl alcohol and acetone Acetone Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Production of acetoin can be detected by which of the following tests? Methyl red test Indole test Voges-Proskauer test Citrate test Methyl red test Indole test Voges-Proskauer test Citrate test 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? Indole test Methyl red test Voges-Proskauer test Citrate utilization test Indole test Methyl red test Voges-Proskauer test Citrate utilization test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following shows a positive urease test? None of these Proteus Both (a) and (b) Klebsiella None of these Proteus Both (a) and (b) Klebsiella ANSWER DOWNLOAD EXAMIANS APP
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? Appearance of growth None of these Blue colour Both (a) and (b) Appearance of growth None of these Blue colour Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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