Identification of Bacteria What is the colour of gram-negative bacteria on a gram staining? Purple Pink Green Colourless Purple Pink Green Colourless ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 0.5% sulphuric acid 10% sulphuric acid 8% sulphuric acid 5% sulphuric acid 0.5% sulphuric acid 10% sulphuric acid 8% sulphuric acid 5% sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following(s) show(s) positive results for phenylalanine deaminase test? Morganella All of these Proteus Providencia Morganella All of these Proteus Providencia 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 Indole test Voges-Proskauer test Citrate utilization test Methyl red test Indole test Voges-Proskauer test 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? Both (a) and (b) None of these Blue colour Appearance of growth Both (a) and (b) None of these Blue colour Appearance of growth ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is a substitute for crystal violet used in gram-staining procedure? Safranin Phenolpthalene Methylene blue Bromocresol green Safranin Phenolpthalene Methylene blue Bromocresol green ANSWER DOWNLOAD EXAMIANS APP