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? Voges-Proskauer test Indole test Citrate utilization test Methyl red test Voges-Proskauer test Indole test Citrate utilization test Methyl red test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is a substitute for crystal violet used in gram-staining procedure? Bromocresol green Safranin Methylene blue Phenolpthalene Bromocresol green Safranin Methylene blue Phenolpthalene ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the colour of gram-negative bacteria on a gram staining? Purple Green Colourless Pink Purple Green Colourless Pink ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following(s) show(s) positive results for phenylalanine deaminase test? All of these Morganella Proteus Providencia All of these Morganella Proteus Providencia ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 10% sulphuric acid 5% sulphuric acid 0.5% sulphuric acid 8% sulphuric acid 10% sulphuric acid 5% sulphuric acid 0.5% sulphuric acid 8% sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Production of acetoin can be detected by which of the following tests? Methyl red test Citrate test Voges-Proskauer test Indole test Methyl red test Citrate test Voges-Proskauer test Indole test ANSWER DOWNLOAD EXAMIANS APP