Identification of Bacteria Which of the following is a substitute for crystal violet used in gram-staining procedure? Safranin Phenolpthalene Bromocresol green Methylene blue Safranin Phenolpthalene Bromocresol green Methylene blue ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? A mixture of ethyl alcohol and acetone Methyl alcohol Ethyl alcohol Acetone A mixture of ethyl alcohol and acetone Methyl alcohol Ethyl alcohol Acetone ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Production of acetoin can be detected by which of the following tests? Methyl red test Voges-Proskauer test Indole test Citrate test Methyl red test Voges-Proskauer test Indole test Citrate test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 10% sulphuric acid 0.5% sulphuric acid 5% sulphuric acid 8% sulphuric acid 10% sulphuric acid 0.5% sulphuric acid 5% sulphuric acid 8% sulphuric acid 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 Voges-Proskauer test Citrate utilization test Methyl red test Indole test Voges-Proskauer test Citrate utilization test Methyl red test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the colour of gram-negative bacteria on a gram staining? Pink Green Colourless Purple Pink Green Colourless Purple ANSWER DOWNLOAD EXAMIANS APP
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