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 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 Methyl red test Citrate utilization test Voges-Proskauer test Indole test Methyl red test Citrate utilization 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 the safranin dye to retain part of both dyes none of above to retain the crystal violet dye during solvent treatment. to retain the safranin dye to retain part of both dyes ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 10% sulphuric acid 5% sulphuric acid 8% sulphuric acid 0.5% sulphuric acid 10% sulphuric acid 5% sulphuric acid 8% sulphuric acid 0.5% sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the colour of gram -postive bacteria on a gram staining? Colourless Pink Green Purple Colourless Pink Green Purple ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following(s) is/ are oxidase-positive bacteria? Neisseria Pseudomonas All of these Vibrio Neisseria Pseudomonas All of these Vibrio ANSWER DOWNLOAD EXAMIANS APP
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