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? Methyl red test Indole test Citrate utilization test Voges-Proskauer test Methyl red test Indole test Citrate utilization test Voges-Proskauer test 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
Identification of Bacteria What is the order of reagents used in the Gram stain? Safranin, crystal violet, decolorizer, iodine Crystal violet, safranin, iodine, decolorizer Crystal violet, iodine, safranin, decolorizer Crystal violet, iodine, decolorizer, safranin Safranin, crystal violet, decolorizer, iodine Crystal violet, safranin, iodine, decolorizer Crystal violet, iodine, safranin, decolorizer Crystal violet, iodine, decolorizer, safranin ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 5% sulphuric acid 10% sulphuric acid 8% sulphuric acid 0.5% sulphuric acid 5% sulphuric acid 10% sulphuric acid 8% sulphuric acid 0.5% sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following(s) is/ are oxidase-positive bacteria? Neisseria Vibrio All of these Pseudomonas Neisseria Vibrio All of these Pseudomonas ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Catalase production is negative in which of the following? Proteus Salmonella Staphylococcus Streptococcus Proteus Salmonella Staphylococcus Streptococcus ANSWER DOWNLOAD EXAMIANS APP
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