Identification of Bacteria Which of the following shows a positive urease test? Klebsiella Proteus Both (a) and (b) None of these Klebsiella Proteus Both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following(s) is/ are oxidase-positive bacteria? All of these Pseudomonas Neisseria Vibrio All of these Pseudomonas Neisseria Vibrio 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 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 Voges-Proskauer test Methyl red test Indole test Citrate utilization test Voges-Proskauer test Methyl red test Indole test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 10% sulphuric acid 5% sulphuric acid 0.5% sulphuric acid 8% sulphuric acid 10% sulphuric acid 5% sulphuric acid 0.5% sulphuric acid 8% sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Methyl alcohol Acetone Ethyl alcohol A mixture of ethyl alcohol and acetone Methyl alcohol Acetone Ethyl alcohol A mixture of ethyl alcohol and acetone ANSWER DOWNLOAD EXAMIANS APP