Download KNRUHS MBBS 2nd Year Microbiology Paper II 2025 June Question Paper

KALOJI NARAYANA RAO UNIVERSITY OF HEALTH SCIENCES, WARANGAL,
TELANGANA-506 002
MBBS SECOND YEAR DEGREE EXAMINATIONS: JUNE, 2025 - MICROBIOLOGY
Paper -II
Time: 3 Hours Max Marks: 100

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Note: Answer all questions. Give Diagrammatic representation wherever
necessary.
Multiple Choice Questions: (10 X 1 = 10)
1. Rheumatic fever usually follows an infection with
a) Streptococcus pyogenes

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b) Streptococcus viridans
c) Staphylococcus aureus
d) Haemophilus influenzae
2. Tissue should be segregated in which colour bag?
a) Yellow

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b) Blue
c) Red
d) Black
3. A farmer presents with upper abdominal mass and a positive Casoni's
test, The causative agent is

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a) Echinococcus granulosus
b) Ascaris lumbricoides
c) Ancylostoma duodenale
d) Trichuris trichura

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4. Epstein Barr is associated with the all of the following malignancies

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except
a) Burkitt's lymphoma
b) Carcinoma of cervix
c) Nasopharyngeal carcinoma
d) Non-Hodgkins lymphoma

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5. Neonatal meningitis acquired through infected birth canal is due to:
a) Viridans Streptococci
b) Streptococcus pyogenes
c) Streptococcus agalactiae
d) Streptococcus pneumonia

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6. Biological false positive reaction is:
a) Positive VDRL test but negative TPHA
b) Positive RPR test & TPHA
c) Negative RPR test but positive TPHA
d) Negative VDRL & TPHA

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7. The bivalent HPV vaccine includes the following two serotypes:
a) Serotypes 31 & 33
b) Serotypes 16 & 18
c) Serotypes 45 & 52
d) Serotypes 6 & 11

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8. Which of the following is not a mycobacterial skin lesion
a) Scrofuloderma
b) Fish tank granuloma
c) Erysipeloid

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d) Buruli ulcer

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9. Cutaneous larva migrans is not seen with
a) Ancylostoma brasiliensis
b) Ancylostoma duodenale
c) Entamoeba histolytica
d) Necator americanus

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10. Throat swab is not useful for diagnosis of
a) Streptococcal pharyngitis
b) Diphtheria
c) Pneumonia
d) COVID-19

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Essay/ Long Answer Questions: (2 X 15 = 30)
11. A 50 year old male complains of fever and cough, with "Rust" colored
sputum. A chest x-ray shows a dense infiltration of the right upper lobe
and pleural effusion. Sputum was sent for culture and sensitivity.
Microscopy shows Gram positive diplococci with clear halo along with

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pus cells seen in Gram stain.
a. What is the probable aetiological agent in the above case.
b. Describe the pathogenesis and laboratory diagnosis of the organism.
c. Write a note on Prophylaxis in Immunocompromised individuals against this
organism.

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12. A 38 year old male having multiple sex partners came to a clinic with
pain less ulcer on penis. (2+5+8=15)
a. What organisms is the likely cause of this disease?
b. Write about the sexually transmitted diseases causing Genital Ulcers.
c. Write about lab diagnosis?

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Short Answer Questions: (7 X 6 = 42)
13. Lab diagnosis of Mycetoma.
14. Lab diagnosis and Prophylaxis of Japanese Encephalitis.
15. Antirabies vaccines.

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16. Lab diagnosis of Urinary Tract Infection.
17. Describe the Tetanus Prophylaxis.
18. A medical intern comes to the Infection control officer with history of
Needle Stick Injury 1 hour back. The source patient's blood sample is
tested for HIV, HBV and HCV. Test result shows it is reactive for HIV,

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negative for HBV and HCV. Medical intern was in panic. What is the role
of Infection control officer in this situation.
19. Write about primary Complex.
Very Short Answer Questions: (6 X 3 = 18)
20. Etiological agents of Non Gonococcal Urethritis.

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21. Name three viruses causing Cancer.
22. Antigenic Drift.
23. Name three bacterial Zoonotic Diseases.
24. Name three microorganisms which are used as Bioweapons.
25. National Tuberculosis Elimination Program.

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