Microbiology Practice Test Papers

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Practice Test Papers on Microbiology

1) Which type of the following biological vectors is responsible for transmission of malarial parasite-
A) Cyclo-developmental
B) Propagative
C) Transovarial
D) Cyclo-propagative

2) Which of the parasites below is NOT having any intermediate host-
A) Hymenolepis diminuita
B) Clonorchis sinensis
C) Necator americanus
D) Loa loa

3) Which of the following parasite DOES NOT belong to the class Coccidia-
A) Cryptosporidium
B) Isospora
C) Babesia
D) Cyclospora

4) Which of the following is NOT correct-
A) E. histolytica can be cultured on Boeck & Drbohlav’s diphasic medium
B) T. vaginalis can be cultured on Trussell & Johnson’s medium / CPLM
C) L. donovani can be cultured on Hockmeyer’s medium
D) T. cruzi can be cultured on Weinman’s medium

5) DumDum fever is the name given to-
A) Visceral leishmaniasis
B) New world leishmaniasis
C) South American trypanosomiasis
D) East African sleeping sickness

6) Montenegro test is used to diagnose-
A) Kala azar
B) Ecchinococcosis
C) Chagas disease
D) Toxoplasmosis

7) Which of the following organisms can infect and multiply inside Protozoa-
A) Mycobacterium bovis
B) Mycobacterium avium
C) Mycobacterium xenopi
D) Mycobacterium simiae

8) Oocysts of which of the following parasites are infective when passed in the faeces-
A) Cyclospora cayetenensis
B) Cryptosporidium parvum
C) Isospora bellii
D) All of the above

9) Fugitive or Calabar swellings are seen in infection with-
A) Onchocerca volvulus
B) Wuchereria bancrofti
C) Loa loa
D) Brugia timori

10) River blindness is the name given to disease caused by-
A) Loa loa
B) Onchocerca volvulus
C) Toxplasma gondii
D) Acanthamoeba culbertsoni

11) Operculated eggs are seen in the following, EXPECT
A) Fasciola hepatica
B) Schistosoma japonicum
C) Clonorchis sinensis
D) Diphyllobothrium latum

12) Which species of fungus Microsporum has characteristic two celled macroconidia-
A) Microsporum gypseum
B) Microsporum audounii
C) Microsporum canis
D) Microsporum nanum

13) Rose gardner’s disease is caused by-
A) Paracoccidioides brasiliensis
B) Sporothrix schenkii
C) Penicillium marneffei
D) Coccidioides immitis

14) Which Candida species is known to produce ‘pseudo-germ tube’-
A) C. dubliniensis
B) C. tropicalis
C) C. albicans
D) C. krusei

15) Which of the following fungus is NOT forming ‘sclerotic bodies’-
A) Exophiala
B) Phialophora
C) Fonsecaea
D) Cladosporium

16) Which of the following dermatophyte is giving a positive hair perforation test-
A) Trichophyton tonsurans
B) Trichophyton schoenleinii
C) Trichophyton mentagrophytes
D) Trichophyton verrucosum

17) Which of the following is NOT causing eumycotic mycetoma-
A) Pseudoallescheria boydii
B) Exophiala jeanselmei
C) Acremonium kifience
D) Actinomadura

18) Dichotomously branching septate hyphae are characteristically seen in-
A) Aspergillus spp
B) Rhizopus spp
C) Mucor spp
D) Absidia spp

19) ‘Spaghetti & meat balls’ appearance of fungal elements in 10% KOH are characteristics of-
A) Hansenula anomala
B) Saccharomyces cervisiae
C) Malassezia furfur
D) Exophiala werneckii

20) Which of the following agent is a fungus-
A) Pneumocystis jeroveci
B) Cryptosporidium parvum
C) Eikenella corrodens
D) Ehrlichia chaffeinsis

21) ‘Hulle cells’ are the characteristic of-
A) Aspergillus fumigates
B) Aspergillus nidulans
C) Aspergillus terreus
D) Aspergillus flavus

22) In a case of meningitis a normal glucose level in C.S.F. suggests-
A) Bacterial etiology
B) Mycobacterial etiology
C) Viral etiology
D) Fungal etiology

23) Which of the following is NOT true about Staphylococcus saprophyticus-
A) Commonly causes UTI in young, sexually active, young females,
B) It is sensitive to Novobiocin
C) It is coagulase negative
D) It is modified oxidase test negative

24) Griffith’s serotyping of β-hemolytic streptococci is based on-
A) Cell wall carbohydrate C antigen
B) Cell wall M protein
C) Cell wall peptidoglycan
D) Cell wall murein

25) Which of the following is NOT true of B.anthracis-
A) It produces Medusa head colony
B) It gives positive M’Fadyean’s reaction
C) It is used as an agent of bioterrorism
D) It produces a potential endotoxin

26) Spores of which species of Bacillus is used as a biological control in autoclaves-
A) B. megaterium
B) B. thuringiensis
C) B. stearothermophilus
D) B. anthrasis

27) Which clostridial species has subterminal endospores-
A) C. tetani
B) C. tertium
C) C. septicum
D) C. ramosum

28) A reverse CAMP test is positive in-
A) C. tetani
B) C. perfringens
C) C. difficile
D) C. novyi

29) Causative agent of granuloma inguinale is-
A) Chlamydia trachomatis
B) Klebsiella rhinoscleromatis
C) Mycoplasma homonis
D) Klebsiella granulomatis

30) Pseudohemoptysis is due to-
A) Pyomelanin
B) Diphthericin
C) Prodigiosin
D) Fumonisin

31) Which of the following specimen is NOT suitable for anaerobic culture-
A) Blood
B) Culdocentesis aspirate
C) Throat swab
D) Peritoneal fluid

32) Which of the following is NOT a constituent of bacterial cell wall-
A) N-acetyl muramic acid
B) N-acetyl glucosamine
C) N-Acetyl-L-cysteine
D) Teichoic acid

33) Which of the following is NOT true-
A) Transposons are extrachromosomal genetic elements
B) Transposons are known as jumping genes
C) Transposons can transfer genes of chromosomes
D) Like plasmids they exist independently and are self replicating

34) Non-specific urethritis may be caused due to the following, EXCEPT
A) Ureplasma urealyticum
B) Gardnerella vaginalis
C) Candida albicans
D) Actinobacillus hominis

35) Which of the following is NOT true of Listeria monocytogenes-
A) It does not survive inside phagocytes
B) It gives a positive Anton’s test
C) It has tumbling motility at 250C
D) It gives a positive CAMP test

36) Which of the following is TRUE of the Corynebacterium diphtheriae-
A) It produces diphtheria toxin because of λ phage
B) Toxin production is influenced by Mg++ concentration in the medium
C) Toxin mainly affects lungs and kidneys
D) Toxigenicity can be demonstrated in tissue culture

37) Culture of anaerobic organisms can be done by all ,EXCEPT
A) Gas-Pak
B) Candle jar
C) McIntosh & Fildes jar
D) Thioglycollate broth

38) Which of the following is NOT true of the EnteroHaemorrhgic E.Coli(EHEC)-
A) The most common serotype is O157: H7
B) It can cause Hemolytic Uremic Syndrome
C) It ferments Sorbitol sugar in the medium
D) It produces toxin which is toxic to HeLa cell lines

39) Shigellosis includes all of the following, EXCEPT
A) Hemolytic Uremic Syndrome
B) Gay-bowel syndrome
C) Fitz-Hugh-Curtis syndrome
D) Intussusception of bowel

40) According to current W.H.O. classification of genus Salmonella, there are mainly two species-
A) S. enterica & S. arizonae
B) S. arizonae & S. enteritidis
C) S. bongori & S. enterica
D) S. bongori & S. typhi

41) Gram stained smear of Vibrios in mucus flakes of stool specimen resembles-
A) School of fish appearance
B) Fish in stream appearance
C) Sea-gul appearance
D) String of pearls appearance

42) Which of the following organisms is responsible for Brazillian Purpuric Fever(BPF)-
A) Hemophilus hemolyticus
B) Hemophilus aphrophilus
C) Hemophilus aegyptius
D) Hemophilus parainfluenzae

43) Which of the organisms below does NOT liquefy gelatin-
A) Morganella morganii
B) Bacillus subtilis
C) Proteus vulgaris
D) Staph aureus

44) Which one of the following are NOT related to each other-
A) Nagler’s reaction & Clostridium perfringens
B) Nissl’s bodies & Polio virus
C) Tunica reaction & Rickettsia prowazekii
D) Rat bite fever & Streptobacillus moniliformis

45) Which of the following is NOT commonly seen in HIV infected patients-
A) Bacillary angiomatosis
B) Generalised Strongyloidiasis
C) Cryptosporidiosis
D) Leptospirosis

46) Which of the following organisms is NOT associated with bloody diarrhea-
A) Shigella dysenteriae
B) Campylobacter fetus
C) Clostridium difficile
D) B.anthracis

47) Which of the following is NOT a cell wall constituent of mycobacteria-
A) N-acetylmuramic acid
B) N-glycolylmuramic acid
C) Mycolic acid
D) Teichoic acid

48) Which of the following is a member species of Mycobacterium tuberculosis complex-
A) M.ulcerans
B) M.gordonae
C) M.africanum
D) M.kansasii

49) Which of the following Mycobacterium is a causative agent of Buruli-ulcer –
A) M.avium intracellulare
B) M.xenopi
C) M.ulcerans
D) M.malmoense

50) Which of the following is NOT a characteristic of Mycoplasma-
A) They belong to the class Mollicutes
B) They require sterols for their growth
C) Their cell wall contains diaminopimelic acid
D) Their colonies have “Fried egg” appearance