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 Which of the following is a substitute for crystal violet used in gram-staining procedure? Safranin Methylene blue Phenolpthalene Bromocresol green Safranin Methylene blue Phenolpthalene Bromocresol green ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 10% sulphuric acid 8% sulphuric acid 0.5% sulphuric acid 5% sulphuric acid 10% sulphuric acid 8% sulphuric acid 0.5% sulphuric acid 5% sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Methyl alcohol Ethyl alcohol A mixture of ethyl alcohol and acetone Acetone Methyl alcohol Ethyl alcohol A mixture of ethyl alcohol and acetone Acetone ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the colour of gram -postive bacteria on a gram staining? Green Purple Colourless Pink Green Purple Colourless Pink ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Gram staining was developed accidentally in 1884 by Robert Gram Alexander Fleming Hans Christian Gram Joseph Christian Gram Robert Gram Alexander Fleming Hans Christian Gram Joseph Christian Gram ANSWER DOWNLOAD EXAMIANS APP
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