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 Which of the following(s) show(s) positive results for phenylalanine deaminase test? All of these Providencia Proteus Morganella All of these Providencia Proteus Morganella ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following organisms can be demonstrated with silver impregnation method? Spirochaetes Salmonella Vibrios Shigella Spirochaetes Salmonella Vibrios Shigella ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Production of acetoin can be detected by which of the following tests? Voges-Proskauer test Citrate test Indole test Methyl red test Voges-Proskauer test Citrate test Indole 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 the safranin dye to retain the crystal violet dye during solvent treatment. none of above to retain part of both dyes to retain the safranin dye to retain the crystal violet dye during solvent treatment. none of above to retain part of both dyes ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Ethyl alcohol Acetone A mixture of ethyl alcohol and acetone Methyl alcohol Ethyl alcohol Acetone A mixture of ethyl alcohol and acetone Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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