🦠 Microbiology Solved MCQs with Answers

Practice 1927 approved 🦠 Microbiology questions with verified answers from the 🧬 Medical Science subject for Pakistan exams.

1927 solved MCQs

The most common cause of urinary tract infection in the community isAnswer: Escherichia coli Bipolar staining is characteristic ofAnswer: Yersinia pestis Spirochaetes exhibitAnswer: all of the above Species of Shigella which is predominant in India isAnswer: S flexneri Which of the following species/subspecies of Klebsiella produce indole?Answer: K oxytoca Primarily human pathogenic bacteria is/are ,Answer: all of these The bacteria which produce(s) β-galactosidase is/areAnswer: all of these Which of the following property(ies), shown by the organisms belong(s) to the family Enterobacteriaceae?Answer: All of these In Widal test, the significant titre for O agglutinins is generallyAnswer: 1:100 or more Selective media for the isolation of Shigella isAnswer: All of these The technique(s), used for the assay of heat-labile enterotoxin produced by Escherichia coli, is/areAnswer: All of these Yersinia enterocolitica and Y. pestis can be differentiated on the basis of which of the following tests?Answer: All of these Example of the pathogenic bacteria is/areAnswer: Leptospira interrogans The media which serve(s) as enrichment media for Salmonella is/areAnswer: All of these Which of the following can be identified by milk ring test?Answer: Brucellosis For brucellosis, 2 ME agglutination test is used to identifyAnswer: IgG Human transmission of Brucellae occurs byAnswer: all of these Agglutination test for Brucella mainly identifies which class of antibodies?Answer: IgM The most pathogenic Brucella spp for man isAnswer: B melitensis Brucella areAnswer: Very short rods Human pathogenic bacteria is/areAnswer: All of these Which of the following biochemical reaction is characteristic of Pseudomonas aeruginosa?Answer: All of these Pseudomonas aeruginosa can be diagnosed from the pigment, known asAnswer: Pyocyanin The most popular method for typing of Pseudomonas aeruginosa isAnswer: pyocin Which of the following infection(s) can be caused by Pseudomonas aeruginosa?Answer: All of these The substance(s) which can be produced by strains of Pseudomonas aeruginosa is/areAnswer: All of these The evolutionary record suggests that the first occurrence of multicellularity was in the kingdomAnswer: Protista The number of sets of chromosomes in a dikaryotic cellAnswer: is equal to diploid cell Slime molds differ from the moldy fungiAnswer: in their mode of nutrition: phagocytosis for the slime molds; absorptive heterotroph for moldy fungi Which spore is on a club and results from the fusion of two nuclei from different strains of the same fungi?Answer: Basidiospore