Identification of Bacteria What is the colour of gram -postive bacteria on a gram staining? Colourless Purple Green Pink Colourless Purple Green Pink ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria The organisms that can be acid-fast stained is Lepra bacilli Tubercle bacilli Nocardia all of these Lepra bacilli Tubercle bacilli Nocardia all of these ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following(s) is/ are oxidase-positive bacteria? Pseudomonas Vibrio Neisseria All of these Pseudomonas Vibrio Neisseria All of these ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria At what concentration of sulphuric acid, Nocardia resists decolourization? 8% sulphuric acid 0.5% sulphuric acid 10% sulphuric acid 5% sulphuric acid 8% sulphuric acid 0.5% sulphuric acid 10% sulphuric acid 5% sulphuric acid 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? Voges-Proskauer test Indole test Methyl red test Citrate utilization test Voges-Proskauer test Indole test Methyl red test Citrate utilization test ANSWER DOWNLOAD EXAMIANS APP
Identification of Bacteria Which of the following is commonly used as Gram's decolouriser? Methyl alcohol Acetone Ethyl alcohol A mixture of ethyl alcohol and acetone Methyl alcohol Acetone Ethyl alcohol A mixture of ethyl alcohol and acetone ANSWER DOWNLOAD EXAMIANS APP