Download KNRUHS MBBS 2nd Year Microbiology Paper I 2025 August Question Paper

PAPER CODE: MB2019115
KAIJI NARAYANA RAO UNIVERSITY OF HEALTH SCIENCES
WARANGAL, TELANGANA STATE ? 506 002
MBBS SECOND YEAR DEGREE EXAMINATIONS: AUGUST 2025
MICROBIOLOGY PAPER-I

--- Content provided by‍ FirstRanker.com ---

Time: 3 Hours Max Marks: 100
Note: Answer all questions Give Diagrammatic representation where ever
necessary
Multiple Choice Questions: 10 X 1 = 10
1. Endoscopes are sterilized using which of the following methods?

--- Content provided by​ FirstRanker.com ---

a) Glutaraldehyde
b) Formaldehyde
c) Autoclaving
d) Hot air oven
2. Which of the following is a primary lymphoid organ?

--- Content provided by‍ FirstRanker.com ---

a) Spleen
b) Mucosa associated Lymphoid Tissue
c) Thymus
d) Tonsils
3. African sleeping sickness is caused by

--- Content provided by‍ FirstRanker.com ---

a) Leishmania donovani
b) Trypanosoma brucei
c) Trypanosoma cruzei
d) Trypanosoma rangei

---

4. Which is more antigenic in inducing immune response

--- Content provided by FirstRanker.com ---

a) Nucleic acid
b) Carbohydrate
c) Protein
d) Lipid
5. Which of the following hepatitis viruses is not transmitted parenterally?

--- Content provided by​ FirstRanker.com ---

a) Hepatitis B virus
b) Hepatitis D virus
c) Hepatitis C virus
d) Hepatitis E virus
6. The most common mode of transmission of Brucella is

--- Content provided by⁠ FirstRanker.com ---

a) Direct contact
b) Air borne
c) Man to man
d) Ingestion of raw milk
7. Which one of the following methods of antimicrobial susceptibility

--- Content provided by⁠ FirstRanker.com ---

testing does not detect MIC (minimum inhibitory concentration)?
a) Disk Diffusion test
b) Broth Dilution method
c) Agar Dilution method
d) Epsilometer test

--- Content provided by​ FirstRanker.com ---

8. Rate of infection occurring at a higher rate than usual in a particular
geographical area is known as
a) Epidemic
b) Pandemic
c) Hyper endemic

--- Content provided by‌ FirstRanker.com ---

---

d) Sporadic
9. Prozone phenomenon in Ag Ab reaction is due to
a) Excess antibodies
b) Excess antigen
c) Hyperimmune serum

--- Content provided by FirstRanker.com ---

d) Complement excess
10. Which of the following is not a potentially highly infectious specimen for
occupational injury in health care settings
a) Blood
b) CSF

--- Content provided by‍ FirstRanker.com ---

c) Saliva
d) Semen
Essay/ Long Answer Questions: 2 X 15 = 30
11. Enumerate the properties and types of Antigen- Antibody Reaction.
Describe in detail about the principle, types and applications of ELISA.

--- Content provided by‍ FirstRanker.com ---

(6+2+4+3)
12. Discuss in detail the laboratory diagnosis of Viral Infections. (15)
Short Answer Questions: 7 X 6 = 42
13. Amoebic Liver Abscess.
14. Mechanism of Antibiotic Resistance.

--- Content provided by⁠ FirstRanker.com ---

15. Stool concentration techniques.
16. Graft versus Host Reaction.
17. Post exposure Prophylaxis for HIV.
18. Q Fever.
19. Kyasanur Forest Disease.

--- Content provided by FirstRanker.com ---

---

Very Short Answer Questions: 6 X 3 = 18
20. Adjuvants.
21. Dimorphic Fungi.
22. Germ Tube.

--- Content provided by​ FirstRanker.com ---

23. Name three Tumour associated Antigens.
24. Classification of Arbo Viruses.
25. Name three diseases caused by Superantigens.
*******

---