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 Both (a) and (b) Blue colour None of these Appearance of growth Both (a) and (b) Blue colour None of these ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Catalase production is negative in which of the following? Proteus Streptococcus Salmonella Staphylococcus Proteus Streptococcus Salmonella Staphylococcus 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? Citrate utilization test Indole test Voges-Proskauer test Methyl red test Citrate utilization test Indole test Voges-Proskauer test Methyl red test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria The process of Gram staining is based on the ability of bacterial cell wall to retain the safranin dye to retain the crystal violet dye during solvent treatment. to retain part of both dyes none of above to retain the safranin dye to retain the crystal violet dye during solvent treatment. to retain part of both dyes none of above ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is a substitute for crystal violet used in gram-staining procedure? Safranin Bromocresol green Methylene blue Phenolpthalene Safranin Bromocresol green Methylene blue Phenolpthalene ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Acetone Methyl alcohol A mixture of ethyl alcohol and acetone Ethyl alcohol Acetone Methyl alcohol A mixture of ethyl alcohol and acetone Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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