r. . MEDICAL
[MBBS 0725] JULY 2025 Sub. Code :6066
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M.B.B.S. DEGREE EXAMINATIONS(For the candidates admitted from the Academic Year 2019-2020)
SECOND PROFESSIONAL ? (CBME)
PAPER II ? MICROBIOLOGY
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Q.P. Code: 526066Time: 20 Minutes
Maximum : 20 Marks
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Answer All QuestionsShade the correct answer with Black or Blue ink ball point pen
SET - B
III. Multiple Choice Questions:
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(20 x 1 = 20)
1. Which of the following findings is characteristic of Plasmodium falciparum in a peripheral
blood smear?
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A) Presence of Sch?ffner's dotsB) Multiple ring forms within a single RBC
C) Oval-shaped infected RBCs
D) Amoeboid trophozoites with prominent chromatin
2. Which bacterium belongs to the HACEK group?
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A) Haemophilus influenzaB) Eikenella corrodens
C) Campylobacter jejuni
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D) Erysipelothrix rhusiopathiae
3. Which of the following correctly matches the intermediate host with the tapeworm pecies?
A) Pig ? Taenia saginata
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B) Cow ? Taenia soliumC) Pig ? Taenia solium
D) Cow ? Echinococcus granulosus
4. Hepatitis E virus is primarily transmitted through:
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A) Blood transfusionB) Vertical transmission
C) Faeco-oral route
D) Sexual contact
5. Which test is used to demonstrate toxin production by Corynebacterium diphtheriae?
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A) Elek testB) Schick test
C) Weil-Felix test
D) Dick test
6. Which of the following is correctly matched with its clinical manifestation?
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A) M. marinum ? Buruli ulcerB) M. ulcerans ? Swimming pool granuloma
C) M. marinum ? Swimming pool granuloma D) M. ulcerans ? Oral thrush
7. Which parasite most commonly produce lung infection by consuming raw crab:
A) Ophisthorchis viverrini
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B) Paragonimus werstermaniC) Chlonorchis sinensis
D) Onchocerca volvulus
8. Which adenovirus strain is commonly associated with epidemic keratoconjunctivitis?
A) Type 3
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B) Type 5C) Type 8
D) Type 1
9. Which late complication is associated with persistent measles virus infection?
A) Reye's syndrome
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B) Acute disseminated encephalomyelitisC) Subacute sclerosing panencephalitis
D) Encephalitis lethargica
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10. Disease associated with Clue cells on saline wet mount, fishy odour with KOHDiagnosis?
A) Bacterial vaginosis B) Trichomaniasis C) Candidiasis D) Gonorrhea
11. Which condition is associated with Parvovirus B19 infection in sickle cell disease
patients?
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A) Hemolysis B) Splenomegaly C) Aplastic crisis D) Leukocytosis12. The most common poliovirus serotype associated with vaccine associated paralytic
poliomyelitis is:
A) Sabin Type 1
B) Sabin Type 2
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C) Sabin Type 3 D) Sabin Type 413. Farmer develops fever, hepatosplenomegaly and undulant fever after consuming raw
milk. Organism responsible for this condition?
A) Brucella mellitensis
B) Leptospira interrogans
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C) Coxiella burnetiiD) Yersinia pestis
14. Which infection typically presents with a "strawberry" appearance of the vaginal
mucosa?
A) Yeast infection
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B) Bacterial vaginosisC) Trichomonas infection
D) Gonococcal cervicitis
15. Brazilian purpuric fever is caused by:
A) Haemophilus aegyptius
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B) Neisseria meningitidisC) Rickettsia rickettsii
D) Streptococcus pyogenes
16. Traveller's diarrhea is most commonly caused by:
A) Enteroinvasive Escherichia coli
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B) Enterotoxigenic Escherichia coliC) Enteropathogenic Escherichia coli
D) Enteroaggregative Escherichia coli
17. Winter vomiting disease or gartric flu is caused by:
A) Rotavirus
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B) NorwalkvirusC) Adenovirus
D) Astrovirus
18. Calabar swelling is associated with infection caused by which filarial parasite?
A) Loa loa
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B) WuchereriaC) Onchocerca
D) Brugia malayi
19. Which microfilaria is unsheathed and shows nuclei extending to the tail tip?
A) Wuchereria bancrofti B) Brugia malayi
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C) Mansonella perstansD) Loa loa
20. Pilot Wheel Appearance sign in methenamine silver stain is a characteristic feature of
which fungal infection?
A) Histoplasmosis
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B) BlastomycosisC) Paracoccidiodomycosis
D) Coccidioidomycosis
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[MBBS 0725]
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