This post was most recently updated on April 30th, 2019 The oxidase test is used to identify bacteria that produce cytochrome c oxidase, an enzyme of the bacterial electron transport chain. When present, the cytochrome […]
This post was most recently updated on August 26th, 2019 Pseudomonas aeruginosa is a gram negative rod. Pseudomonas aeruginosa can resist high concentration of salt, dyes, weak antiseptics, and many commonly used antibiotics. Most pseudomonads […]
This post was most recently updated on August 9th, 2016 Culture is one of the most widely used laboratory diagnostic tool. Culture helps microbiologist for the identification and characterisation of the causative agents of the […]
This post was most recently updated on August 17th, 2019 You can find the answer of these multiple choice questions related to bacterial skin infections at the end of this blog post. Write down your […]
This post was most recently updated on October 19th, 2016MCQ Bacteriology 31: A diagnosis of diphtheria is confirmed by: A) Microscopic appearance of organisms stained with methylene blue B) Isolation of a typical colony on […]
This post was most recently updated on December 6th, 2019 Leprosy is an age-old disease, associated with social stigma; historical records and literature show that people afflicted with leprosy have often been ostracized by their […]
This post was most recently updated on December 15th, 2016MCQ Bacteriology 21: Which of the following bacteria is not a most common bacterial pathogen causing diarrhea? a. Shigella spp b. Salmonella spp c. Enterococcus faecalis […]
This post was most recently updated on April 30th, 2019 Coagulase test is used to differentiate Staphylococcus aureus (positive) from Coagulase Negative Staphylococcus (CONS). Coagulase is an enzyme produced by S. aureus that converts (soluble) […]
This post was most recently updated on December 11th, 2015MCQ Bacteriology 11: The survival of Mycobacteria after ingestion by macrophages is attributed to a. Bacterial inhibition of complement activation via the alternative pathway. b. Bacterial […]
This post was most recently updated on April 23rd, 2015 Rickettsiae are obligate intracellular parasites. They are the agents of typhus, spotted fever, and Q fever. Following MCQs are very basic but very important MCQs […]
This post was most recently updated on May 10th, 2017Indole test is used to determine the ability of an organism to split amino acid tryptophan to form the compound indole. Tryptophan is hydrolysed by tryptophanase to […]
This post was most recently updated on October 17th, 2018 The identification of bacteria by serologic tests is based on the presence of specific antigens. Which of the following bacterial components is least likely to […]
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