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 The process of Gram staining is based on the ability of bacterial cell wall none of above to retain the crystal violet dye during solvent treatment. to retain part of both dyes to retain the safranin dye none of above to retain the crystal violet dye during solvent treatment. to retain part of both dyes to retain the safranin dye ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Production of acetoin can be detected by which of the following tests? Indole test Voges-Proskauer test Methyl red test Citrate test Indole test Voges-Proskauer test Methyl red test Citrate test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following(s) show(s) positive results for phenylalanine deaminase test? Proteus Providencia Morganella All of these Proteus Providencia Morganella All of these ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following organisms can be demonstrated with silver impregnation method? Shigella Spirochaetes Salmonella Vibrios Shigella Spirochaetes Salmonella Vibrios 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? Voges-Proskauer test Methyl red test Indole test Citrate utilization test Voges-Proskauer test Methyl red test Indole test Citrate utilization test ANSWER DOWNLOAD EXAMIANS APP
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