Download MBBS 2nd Year 526066 Microbiology Paper II July 2025 mcq Question Paper

D
r. . MEDICAL

[MBBS 0725] JULY 2025 Sub. Code :6066

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M.B.B.S. DEGREE EXAMINATION
(For the candidates admitted from the Academic Year 2019-2020)

SECOND PROFESSIONAL ? (CBME)
PAPER II ? MICROBIOLOGY

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Q.P. Code: 526066
Time: 20 Minutes


Maximum : 20 Marks

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Answer All Questions
Shade the correct answer with Black or Blue ink ball point pen
SET - D
III. Multiple Choice Questions:

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(20 x 1 = 20)

1. Disease associated with Clue cells on saline wet mount, fishy odour with KOH
Diagnosis?

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A) Bacterial vaginosis B) Trichomaniasis C) Candidiasis D) Gonorrhea
2. Which condition is associated with Parvovirus B19 infection in sickle cell disease
patients?
A) Hemolysis B) Splenomegaly C) Aplastic crisis D) Leukocytosis
3. The most common poliovirus serotype associated with vaccine associated paralytic

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poliomyelitis is:
A) Sabin Type 1
B) Sabin Type 2
C) Sabin Type 3 D) Sabin Type 4
4. Farmer develops fever, hepatosplenomegaly and undulant fever after consuming raw

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milk. Organism responsible for this condition?
A) Brucella mellitensis
B) Leptospira interrogans
C) Coxiella burnetii
D) Yersinia pestis

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5. Which infection typically presents with a "strawberry" appearance of the vaginal
mucosa?
A) Yeast infection
B) Bacterial vaginosis
C) Trichomonas infection

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D) Gonococcal cervicitis
6. Brazilian purpuric fever is caused by:
A) Haemophilus aegyptius
B) Neisseria meningitidis
C) Rickettsia rickettsii

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D) Streptococcus pyogenes
7. Traveller's diarrhea is most commonly caused by:
A) Enteroinvasive Escherichia coli
B) Enterotoxigenic Escherichia coli
C) Enteropathogenic Escherichia coli

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D) Enteroaggregative Escherichia coli
8. Winter vomiting disease or gartric flu is caused by:
A) Rotavirus
B) Norwalkvirus
C) Adenovirus

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D) Astrovirus
9. Calabar swelling is associated with infection caused by which filarial parasite?
A) Loa loa
B) Wuchereria
C) Onchocerca

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D) Brugia malayi
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10. Which microfilaria is unsheathed and shows nuclei extending to the tail tip?
A) Wuchereria bancrofti B) Brugia malayi

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C) Mansonella perstans
D) Loa loa
11. Pilot Wheel Appearance sign in methenamine silver stain is a characteristic feature of
which fungal infection?
A) Histoplasmosis

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B) Blastomycosis
C) Paracoccidiodomycosis
D) Coccidioidomycosis
12. 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 dots
B) Multiple ring forms within a single RBC
C) Oval-shaped infected RBCs
D) Amoeboid trophozoites with prominent chromatin
13. Which bacterium belongs to the HACEK group?

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A) Haemophilus influenza


B) Eikenella corrodens
C) Campylobacter jejuni

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D) Erysipelothrix rhusiopathiae
14. Which of the following correctly matches the intermediate host with the tapeworm pecies?
A) Pig ? Taenia saginata

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B) Cow ? Taenia solium
C) Pig ? Taenia solium
D) Cow ? Echinococcus granulosus

15. Hepatitis E virus is primarily transmitted through:

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A) Blood transfusion
B) Vertical transmission
C) Faeco-oral route
D) Sexual contact
16. Which test is used to demonstrate toxin production by Corynebacterium diphtheriae?

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A) Elek test
B) Schick test
C) Weil-Felix test
D) Dick test
17. Which of the following is correctly matched with its clinical manifestation?

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A) M. marinum ? Buruli ulcer
B) M. ulcerans ? Swimming pool granuloma
C) M. marinum ? Swimming pool granuloma D) M. ulcerans ? Oral thrush
18. Which parasite most commonly produce lung infection by consuming raw crab:
A) Ophisthorchis viverrini

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B) Paragonimus werstermani
C) Chlonorchis sinensis
D) Onchocerca volvulus
19. Which adenovirus strain is commonly associated with epidemic keratoconjunctivitis?
A) Type 3

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B) Type 5
C) Type 8
D) Type 1
20. Which late complication is associated with persistent measles virus infection?
A) Reye's syndrome

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B) Acute disseminated encephalomyelitis
C) Subacute sclerosing panencephalitis
D) Encephalitis lethargica
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[MBBS 0725]

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