Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Acetone A mixture of ethyl alcohol and acetone Methyl alcohol Ethyl alcohol Acetone A mixture of ethyl alcohol and acetone Methyl alcohol Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following(s) is/ are oxidase-positive bacteria? Vibrio Pseudomonas Neisseria All of these Vibrio Pseudomonas Neisseria All of these ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Production of acetoin can be detected by which of the following tests? Indole test Voges-Proskauer test Citrate test Methyl red test Indole test Voges-Proskauer test Citrate 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 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
Identification of Bacteria What is the colour of gram -postive bacteria on a gram staining? Colourless Purple Pink Green Colourless Purple Pink Green ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is a primary stain for acid fast staining of mycobacteria? Methylene blue Geimsa Carbol fuchsin Crystal violet Methylene blue Geimsa Carbol fuchsin Crystal violet ANSWER DOWNLOAD EXAMIANS APP