Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Ethyl alcohol A mixture of ethyl alcohol and acetone Methyl alcohol Acetone Ethyl alcohol A mixture of ethyl alcohol and acetone Methyl alcohol Acetone ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 5% sulphuric acid 0.5% sulphuric acid 8% sulphuric acid 10% sulphuric acid 5% sulphuric acid 0.5% sulphuric acid 8% sulphuric acid 10% sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Gram staining was developed accidentally in 1884 by Hans Christian Gram Robert Gram Alexander Fleming Joseph Christian Gram Hans Christian Gram Robert Gram Alexander Fleming Joseph Christian Gram 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 Citrate utilization test Indole test Methyl red test Voges-Proskauer test Citrate utilization test Indole test Methyl red test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Production of acetoin can be detected by which of the following tests? Citrate test Methyl red test Voges-Proskauer test Indole test Citrate test Methyl red test Voges-Proskauer test Indole test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following shows a positive urease test? Proteus Klebsiella Both (a) and (b) None of these Proteus Klebsiella Both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP