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? Methyl red test Citrate utilization test Voges-Proskauer test Indole test Methyl red test Citrate utilization test Voges-Proskauer test Indole test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Acetone Ethyl alcohol Methyl alcohol A mixture of ethyl alcohol and acetone Acetone Ethyl alcohol Methyl alcohol 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 part of both dyes to retain the crystal violet dye during solvent treatment. none of above to retain the safranin dye to retain part of both dyes to retain the crystal violet dye during solvent treatment. none of above to retain the safranin dye ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria The gram-negative organisms is Clostridium None of these Bacillus Actinomyces Clostridium None of these Bacillus Actinomyces ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following(s) is/ are oxidase-positive bacteria? All of these Vibrio Neisseria Pseudomonas All of these Vibrio Neisseria Pseudomonas ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria What is the colour of gram -postive bacteria on a gram staining? Colourless Green Pink Purple Colourless Green Pink Purple ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS