PAPER CODE: MB2019116
KAIJI NARAYANA RAO UNIVERSITY OF HEALTH SCIENCES
WARANGAL, TELANGANA STATE ? 506 002
MBBS SECOND YEAR DEGREE EXAMINATIONS: AUGUST 2025
MICROBIOLOGY PAPER-II
Note: Answer all questions Give Diagrammatic representation where ever
necessary
Multiple Choice Questions: 10 X 1 = 10
1. Which of the following is not considered a potential agent of
a) Yersinia pestis
b) Botulinum toxin
c) Streptococcus pyogenes
d) Bacillus anthracis
acceptable for diagnosis except
a) Stool culture
b) Blood culture
c) Culture of lymph node aspirate
3. Staphylococcus epidermidis may cause:
a) Toxic shock syndrome
b) Stitch abscess
c) Staphylococcal scalded skin syndrome
d) All of the above
4. Soft chancre is caused by
a) Treponema pallidum
b) Neisseria gonorrhoeae
c) Haemophilus ducreyi
5. Tissue should be segregated in which colour bag?
a) Yellow
b) Blue
c) Red
6. Subacute sclerosing panencephalitis is a complication of
a) Mumps
b) Measles
c) Rubella
7. Which of the following is not used as an indicator organism of faecal
contamination of water
a) Escherichia coli
b) Salmonella typhi
d) Pseudomonas
8. Intracellular survival of Mycobacterium tubercle bacilli inside the
macrophage is due to
a) Inhibition of entry into host cell
c) Inhibition of phagosome and lysosome fusion
d) Inhibition of degradation by lysosomal enzymes
9. Cutaneous leishmaniasis is also called as
a) Delhi boil
c) Baghdad button
d) All of the above
10. Gene targets for confirmation of COVID 19 includes
a) Spike Protein
c) Membrane protein
d) RNA dependent RNA polymerase
Essay/ Long Answer Questions: 2 X 15 = 30
11. A 55-year-old male came to OPD with complaints of fever, vomiting,
a temperature of 39? C pulse rate of 96 bpm. He has recently had ear
infection. Neck stiffness was noted. Relevant sample was spent for
confirmation of the diagnosis.
a. Elaborate on the sample collection.
Diplococci with a halo around and plenty of the Polymorphonuclear cells.
Identify the probable pathogen.
c. Elaborate on laboratory tests done to confirm the pathogen.
d. Add a note on Prophylaxis and treatment available for this pathogen.
12. A farmer presented to the OPD with history of Papulo Vesicular Lesion
over the neck. Which later on developed into a coal black, necrotic
wound for the past 3 days, tissue from the necrotic area on Gram
staining revealed Gram positive bacilli arranged in chains.
b. Describe the pathogenesis and various forms of clinical presentation of this
infection
c. Describe the laboratory investigations to confirm the diagnosis. (2+6+7)
Short Answer Questions: 7 X 6 = 42
14. Gonorrhoea- pathogenesis and Lab diagnosis
15. Laboratory diagnosis of Diphtheria.
16. Mumps.
17. Extra intestinal amoebiasis.
19. Lab diagnosis of Extra Pulmonary Tuberculosis.
Very Short Answer Questions: 6 X 3 = 18
20. Name three Zoonotic Diseases.
21. What is the color coding for Biomedical Waste according to BMW
22. Congenital Syphilis.
23. DPT Vaccine.
24. Name three Microfilaria of medical importance.
25. Name three agents causing Ocular Mycoses.
KAIJI NARAYANA RAO UNIVERSITY OF HEALTH SCIENCES
WARANGAL, TELANGANA STATE ? 506 002
MBBS SECOND YEAR DEGREE EXAMINATIONS: AUGUST 2025
MICROBIOLOGY PAPER-II
--- Content provided by FirstRanker.com ---
Time: 3 Hours Max Marks: 100Note: Answer all questions Give Diagrammatic representation where ever
necessary
Multiple Choice Questions: 10 X 1 = 10
1. Which of the following is not considered a potential agent of
--- Content provided by FirstRanker.com ---
bioterrorism and biologic warfare?a) Yersinia pestis
b) Botulinum toxin
c) Streptococcus pyogenes
d) Bacillus anthracis
--- Content provided by FirstRanker.com ---
2. In a patient with bubonic form of plague, all the following specimens areacceptable for diagnosis except
a) Stool culture
b) Blood culture
c) Culture of lymph node aspirate
--- Content provided by FirstRanker.com ---
d) Acute and convalescent serum3. Staphylococcus epidermidis may cause:
a) Toxic shock syndrome
b) Stitch abscess
c) Staphylococcal scalded skin syndrome
--- Content provided by FirstRanker.com ---
d) All of the above
4. Soft chancre is caused by
a) Treponema pallidum
b) Neisseria gonorrhoeae
c) Haemophilus ducreyi
--- Content provided by FirstRanker.com ---
d) Chlamydia trachomatis5. Tissue should be segregated in which colour bag?
a) Yellow
b) Blue
c) Red
--- Content provided by FirstRanker.com ---
d) Black6. Subacute sclerosing panencephalitis is a complication of
a) Mumps
b) Measles
c) Rubella
--- Content provided by FirstRanker.com ---
d) Rabies7. Which of the following is not used as an indicator organism of faecal
contamination of water
a) Escherichia coli
b) Salmonella typhi
--- Content provided by FirstRanker.com ---
c) Faecal Streptococcid) Pseudomonas
8. Intracellular survival of Mycobacterium tubercle bacilli inside the
macrophage is due to
a) Inhibition of entry into host cell
--- Content provided by FirstRanker.com ---
b) Inhibition of entry into phagosomec) Inhibition of phagosome and lysosome fusion
d) Inhibition of degradation by lysosomal enzymes
9. Cutaneous leishmaniasis is also called as
a) Delhi boil
--- Content provided by FirstRanker.com ---
b) Aleppo boilc) Baghdad button
d) All of the above
10. Gene targets for confirmation of COVID 19 includes
a) Spike Protein
--- Content provided by FirstRanker.com ---
b) Envelope proteinc) Membrane protein
d) RNA dependent RNA polymerase
Essay/ Long Answer Questions: 2 X 15 = 30
11. A 55-year-old male came to OPD with complaints of fever, vomiting,
--- Content provided by FirstRanker.com ---
severe headache and photophobia since 2 days. On examination he hada temperature of 39? C pulse rate of 96 bpm. He has recently had ear
infection. Neck stiffness was noted. Relevant sample was spent for
confirmation of the diagnosis.
a. Elaborate on the sample collection.
--- Content provided by FirstRanker.com ---
b. Gram stain report of the sample revealed lens shaped Gram-positiveDiplococci with a halo around and plenty of the Polymorphonuclear cells.
Identify the probable pathogen.
c. Elaborate on laboratory tests done to confirm the pathogen.
d. Add a note on Prophylaxis and treatment available for this pathogen.
--- Content provided by FirstRanker.com ---
(3+2+5+5)12. A farmer presented to the OPD with history of Papulo Vesicular Lesion
over the neck. Which later on developed into a coal black, necrotic
wound for the past 3 days, tissue from the necrotic area on Gram
staining revealed Gram positive bacilli arranged in chains.
--- Content provided by FirstRanker.com ---
a. What is the clinical diagnosis and causative agent?b. Describe the pathogenesis and various forms of clinical presentation of this
infection
c. Describe the laboratory investigations to confirm the diagnosis. (2+6+7)
Short Answer Questions: 7 X 6 = 42
--- Content provided by FirstRanker.com ---
13. Guinea worm infection.14. Gonorrhoea- pathogenesis and Lab diagnosis
15. Laboratory diagnosis of Diphtheria.
16. Mumps.
17. Extra intestinal amoebiasis.
--- Content provided by FirstRanker.com ---
18. Mucormycosis.19. Lab diagnosis of Extra Pulmonary Tuberculosis.
Very Short Answer Questions: 6 X 3 = 18
20. Name three Zoonotic Diseases.
21. What is the color coding for Biomedical Waste according to BMW
--- Content provided by FirstRanker.com ---
management rules 2016.22. Congenital Syphilis.
23. DPT Vaccine.
24. Name three Microfilaria of medical importance.
25. Name three agents causing Ocular Mycoses.
--- Content provided by FirstRanker.com ---