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 Indole test Voges-Proskauer test Methyl red test Citrate utilization test Indole test Voges-Proskauer test Methyl red test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria The process of Gram staining is based on the ability of bacterial cell wall to retain part of both dyes none of above to retain the safranin dye to retain the crystal violet dye during solvent treatment. to retain part of both dyes none of above to retain the safranin dye to retain the crystal violet dye during solvent treatment. ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 5% sulphuric acid 0.5% sulphuric acid 8% sulphuric acid 10% sulphuric acid 5% sulphuric acid 0.5% sulphuric acid 8% sulphuric acid 10% sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following(s) show(s) positive results for phenylalanine deaminase test? Providencia All of these Morganella Proteus Providencia All of these Morganella Proteus ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the order of reagents used in the Gram stain? Crystal violet, safranin, iodine, decolorizer Crystal violet, iodine, safranin, decolorizer Crystal violet, iodine, decolorizer, safranin Safranin, crystal violet, decolorizer, iodine Crystal violet, safranin, iodine, decolorizer Crystal violet, iodine, safranin, decolorizer Crystal violet, iodine, decolorizer, safranin Safranin, crystal violet, decolorizer, iodine ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Acetone Methyl alcohol A mixture of ethyl alcohol and acetone Ethyl alcohol Acetone Methyl alcohol A mixture of ethyl alcohol and acetone Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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