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 Which of the following is commonly used as Gram's decolouriser? Methyl alcohol Ethyl alcohol A mixture of ethyl alcohol and acetone Acetone Methyl alcohol Ethyl alcohol A mixture of ethyl alcohol and acetone Acetone ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following(s) is/ are oxidase-positive bacteria? Pseudomonas All of these Neisseria Vibrio Pseudomonas All of these Neisseria Vibrio ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria The process of Gram staining is based on the ability of bacterial cell wall 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 to retain the safranin dye to retain the crystal violet dye during solvent treatment. ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 10% sulphuric acid 8% sulphuric acid 0.5% sulphuric acid 5% sulphuric acid 10% sulphuric acid 8% sulphuric acid 0.5% sulphuric acid 5% sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the colour of gram-negative bacteria on a gram staining? Pink Colourless Green Purple Pink Colourless Green Purple ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS