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
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 Which of the following organisms can be demonstrated with silver impregnation method? Vibrios Shigella Salmonella Spirochaetes Vibrios Shigella Salmonella Spirochaetes ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Acetone A mixture of ethyl alcohol and acetone Ethyl alcohol Methyl alcohol Acetone A mixture of ethyl alcohol and acetone Ethyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following shows a positive urease test? Proteus None of these Both (a) and (b) Klebsiella Proteus None of these Both (a) and (b) Klebsiella ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the colour of gram-negative bacteria on a gram staining? Green Colourless Pink Purple Green Colourless Pink Purple ANSWER DOWNLOAD EXAMIANS APP
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