Identification of Bacteria What is the colour of gram -postive bacteria on a gram staining? Purple Colourless Pink Green Purple Colourless Pink Green ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following(s) show(s) positive results for phenylalanine deaminase test? Proteus All of these Morganella Providencia Proteus All of these Morganella Providencia ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Acetone Ethyl alcohol Methyl alcohol A mixture of ethyl alcohol and acetone Acetone Ethyl alcohol Methyl alcohol A mixture of ethyl alcohol and acetone ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Production of acetoin can be detected by which of the following tests? Citrate test Methyl red test Indole test Voges-Proskauer test Citrate test Methyl red test Indole test Voges-Proskauer 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? Citrate utilization test Voges-Proskauer test Methyl red test Indole test Citrate utilization test Voges-Proskauer test Methyl red test Indole test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the order of reagents used in the Gram stain? Crystal violet, iodine, safranin, decolorizer Crystal violet, safranin, iodine, decolorizer Safranin, crystal violet, decolorizer, iodine Crystal violet, iodine, decolorizer, safranin Crystal violet, iodine, safranin, decolorizer Crystal violet, safranin, iodine, decolorizer Safranin, crystal violet, decolorizer, iodine Crystal violet, iodine, decolorizer, safranin ANSWER DOWNLOAD EXAMIANS APP
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