Identification of Bacteria What is the colour of gram-negative bacteria on a gram staining? Pink Green Purple Colourless Pink Green Purple Colourless 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? Indole test Voges-Proskauer test Methyl red test Citrate utilization test Indole test Voges-Proskauer test Methyl red test Citrate utilization test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is a primary stain for acid fast staining of mycobacteria? Methylene blue Crystal violet Geimsa Carbol fuchsin Methylene blue Crystal violet Geimsa Carbol fuchsin 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 Which of the following is a substitute for crystal violet used in gram-staining procedure? Safranin Methylene blue Bromocresol green Phenolpthalene Safranin Methylene blue Bromocresol green Phenolpthalene ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Acetone Ethyl alcohol Methyl alcohol A mixture of ethyl alcohol and acetone Acetone Ethyl alcohol Methyl alcohol A mixture of ethyl alcohol and acetone ANSWER DOWNLOAD EXAMIANS APP
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