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? Appearance of growth Blue colour None of these Both (a) and (b) Appearance of growth Blue colour None of these Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? A mixture of ethyl alcohol and acetone Methyl alcohol Acetone Ethyl alcohol A mixture of ethyl alcohol and acetone Methyl alcohol Acetone Ethyl alcohol 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 Which of the following(s) show(s) positive results for phenylalanine deaminase test? Proteus Morganella All of these Providencia Proteus Morganella All of these Providencia ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the colour of gram-negative bacteria on a gram staining? Purple Colourless Pink Green Purple Colourless Pink Green ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 10% sulphuric acid 0.5% sulphuric acid 5% sulphuric acid 8% sulphuric acid 10% sulphuric acid 0.5% sulphuric acid 5% sulphuric acid 8% sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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