Identification of Bacteria Production of acetoin can be detected by which of the following tests? Indole test Methyl red test Voges-Proskauer test Citrate test Indole test Methyl red test Voges-Proskauer test Citrate test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the colour of gram-negative bacteria on a gram staining? Colourless Purple Green Pink Colourless Purple Green Pink ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 5% sulphuric acid 8% sulphuric acid 0.5% sulphuric acid 10% sulphuric acid 5% sulphuric acid 8% sulphuric acid 0.5% sulphuric acid 10% sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Acetone A mixture of ethyl alcohol and acetone Methyl alcohol Ethyl alcohol Acetone A mixture of ethyl alcohol and acetone Methyl alcohol Ethyl alcohol 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 Citrate utilization test Methyl red test Voges-Proskauer test Indole test Citrate utilization test Methyl red test Voges-Proskauer 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 to retain the crystal violet dye during solvent treatment. to retain the safranin dye none of above to retain part of both dyes to retain the crystal violet dye during solvent treatment. to retain the safranin dye none of above ANSWER DOWNLOAD EXAMIANS APP
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