Identification of Bacteria What is the order of reagents used in the Gram stain? Safranin, crystal violet, decolorizer, iodine Crystal violet, iodine, safranin, decolorizer Crystal violet, iodine, decolorizer, safranin Crystal violet, safranin, iodine, decolorizer Safranin, crystal violet, decolorizer, iodine Crystal violet, iodine, safranin, decolorizer Crystal violet, iodine, decolorizer, safranin Crystal violet, safranin, iodine, decolorizer 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 Ethyl alcohol Methyl alcohol Acetone A mixture of ethyl alcohol and acetone Ethyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 5% sulphuric acid 8% sulphuric acid 10% sulphuric acid 0.5% sulphuric acid 5% sulphuric acid 8% sulphuric acid 10% sulphuric acid 0.5% sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following inference(s) indicate(s) the ability of an organism to utilize citrate as a sole source of carbon in Simmon's citrate medium? None of these Both (a) and (b) Appearance of growth Blue colour None of these Both (a) and (b) Appearance of growth Blue colour ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Production of acetoin can be detected by which of the following tests? Methyl red test Voges-Proskauer test Citrate test Indole test Methyl red test Voges-Proskauer test Citrate test Indole test 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
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