Identification of Bacteria What is the order of reagents used in the Gram stain? Crystal violet, iodine, decolorizer, safranin Crystal violet, iodine, safranin, decolorizer Safranin, crystal violet, decolorizer, iodine Crystal violet, safranin, iodine, decolorizer Crystal violet, iodine, decolorizer, safranin Crystal violet, iodine, safranin, decolorizer Safranin, crystal violet, decolorizer, iodine Crystal violet, safranin, iodine, decolorizer 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 Methyl red test Voges-Proskauer test Citrate utilization test Indole test Methyl red test Voges-Proskauer test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria The deinococci are gram-positive cocci and rods that are distinctive in their unusually great resistance to extreme temperatures both (a) and (b) radiation desiccation extreme temperatures both (a) and (b) radiation desiccation ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the colour of gram-negative bacteria on a gram staining? Colourless Pink Purple Green Colourless Pink Purple Green ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following(s) is/ are oxidase-positive bacteria? Vibrio All of these Pseudomonas Neisseria Vibrio All of these Pseudomonas Neisseria ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Ethyl alcohol Methyl alcohol A mixture of ethyl alcohol and acetone Acetone Ethyl alcohol Methyl alcohol A mixture of ethyl alcohol and acetone Acetone ANSWER DOWNLOAD EXAMIANS APP
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