Identification of Bacteria What is the order of reagents used in the Gram stain? Crystal violet, safranin, iodine, decolorizer Safranin, crystal violet, decolorizer, iodine Crystal violet, iodine, decolorizer, safranin Crystal violet, iodine, safranin, decolorizer Crystal violet, safranin, iodine, decolorizer Safranin, crystal violet, decolorizer, iodine Crystal violet, iodine, decolorizer, safranin Crystal violet, iodine, safranin, decolorizer ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is a substitute for crystal violet used in gram-staining procedure? Methylene blue Phenolpthalene Bromocresol green Safranin Methylene blue Phenolpthalene Bromocresol green Safranin ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the colour of gram-negative bacteria on a gram staining? Green Pink Purple Colourless Green Pink Purple Colourless ANSWER DOWNLOAD EXAMIANS APP
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? Blue colour Both (a) and (b) None of these Appearance of growth Blue colour Both (a) and (b) None of these Appearance of growth ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Methyl alcohol Ethyl alcohol Acetone A mixture of ethyl alcohol and acetone Methyl alcohol Ethyl alcohol Acetone A mixture of ethyl alcohol and acetone ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria The process of Gram staining is based on the ability of bacterial cell wall to retain the crystal violet dye during solvent treatment. to retain the safranin dye to retain part of both dyes none of above to retain the crystal violet dye during solvent treatment. to retain the safranin dye to retain part of both dyes none of above ANSWER DOWNLOAD EXAMIANS APP
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