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 Indole test Citrate utilization test Methyl red test Voges-Proskauer test Indole test Citrate utilization test Methyl red test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Catalase production is negative in which of the following? Staphylococcus Salmonella Proteus Streptococcus Staphylococcus Salmonella Proteus Streptococcus 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 What is the colour of gram-negative bacteria on a gram staining? Pink Purple Colourless Green Pink Purple Colourless Green ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria The deinococci are gram-positive cocci and rods that are distinctive in their unusually great resistance to extreme temperatures radiation desiccation both (a) and (b) extreme temperatures radiation desiccation both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria The primary stain of Gram's method is crystal violet methyl red phenolpthalene safranin crystal violet methyl red phenolpthalene safranin ANSWER DOWNLOAD EXAMIANS APP