Download VNSGU MBBS 2nd Year 2024 January New 2406000102030702 Microbiology Paper II Feb 2025 Question Paper

2406000102030702-S
(SUPPLIMENTARY EXAM) FEBRUARY-2025
SECOND MBBS
MICROBIOLOGY (PAPER - II) (NEW) (OMR)

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

[Time: As Per Schedule]
[Max. Marks:100 ]
Instructions:
Seat No:

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

1. Fill up strictly the following details on your answer book
a. Name of the Examination: SECOND MBBS
b. Name of the Subject: MICROBIOLOGY (PAPER - II)
(NEW) (OMR)
c. Subject Code No: 2406000102030702-S

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

2. Sketch neat and labelled diagram wherever necessary.
3. Figures to the right indicate full marks of the question.
4. All questions are compulsory.
Student's Signature

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

SECTION-I
Q.1 MCQ
20

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

1. The fungus that exhibits septate hyphae with dichotomous branching on
KOH mount is:
A. Cryptococcus
B. Mucor
C. Penicillium

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

D. Aspergillus
2. Rhinosporidiosis is characterized by all the following except:
A. It is caused by a fungus.
B. The fungus is usually found in dirty water.
C. It manifests as polyps that bleed easily.

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

D. It can be cultured easily in the laboratory.
2406000102030702-S
[1 of 6]

---

3. Total number of categories in Biomedical Waste are:

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

A. 10
B. 8
C. 4
D. 2
4. Which medium is preferred for culturing Mycobacterium tuberculosis?

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

A. MacConkey agar
B. Lowenstein-Jensen medium
C. Chocolate agar
D. Sabouraud's agar
5. Buruli ulcer is caused by:

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

. . n
B. M. malmoense
C. M. scrofulaceum
D. M. ulcerans
6. Neisseria gonococcus is primarily associated with which of the

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

following conditions?
A. Genital infections
B. Pharyngitis
C. Meningitis
D. Skin abscess

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

7. Ecthyma gangrenosum is caused by:
A. Brucella
B. H. influenzae
C. Pseudomonas
D. Bordetella

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

8. Which of the following intestinal parasites migrate to the lung in their
lifecycle, except:
A. Trichinella spiralis
B. Ancylostoma duodenale
C. Ascaris lumbricoides

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

D. Strongyloides stercoralis
9. Gram-stain morphology of Bacillus anthracis is:
A. Tennis racket appearance
B. Bamboo stick appearance
C. Drumstick appearance

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

D. Spectacle glass appearance
2406000102030702-S
[2 of 6]

---

10. Epstein-Barr virus is associated with the following malignancies, except:

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

A. Nasopharyngeal carcinoma
B. Burkitt's lymphoma
C. Carcinoma of the cervix
D. Non-Hodgkin lymphoma
11. Which of the following is vector for leishmaniasis:

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

A. Sandfly
B. Reduvid bug
C. Anopheles mosquito
D. Tsetse fly
12. Cryptococcus neoformans is most likely to cause:

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

A. Pulmonary infection
B. Meningitis
C. Skin infections
D. Bone infections
13. MGIT used in tuberculosis diagnosis is:

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

A. Automated culture
B. Biochemical test
C. Microscopic method
D. None of the above
14. Which of the following fungus DOES NOT infect nail:

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

A. Trichophyton
B. Epidermonhvton
C. Microsporum
D. Candida albicans
15. The amplifier host for Japanese B Encephalitis is:

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

A. Ardeid birds
B. Pigs
C. Forests
D. Herons
16. Neisseria meningitidis primarily causes:

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

A. Meningitis
B. Urethritis
C. Endocarditis
D. Pharyngitis
2406000102030702-S

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

[3 of 6]

---

17. The fungus that causes mucormycosis most commonly belongs to which
genus?
A. Rhizopus

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

B. Candida
C. Cryptococcus
D. Aspergillus
18. Which of the following statements about the shape of the virus is
correct?

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

A. Rotavirus-Wheel-shaped
B. Tobacco Mosaic Virus - Filamentous-shaped
C. Ebola Virus - Rod-shaped
D. Adenovirus - Brick-shaped
19. MRSA is mediated due to

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

A. Plasmid
B. Meca Gene
C. Transposons
D. None
20. All of the following antimicrobial agents act on cell membrane, except

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

A. Gramicidin
B. Daptomycin
C. Polymyxins
D. Vancomycin

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

SECTION-II
Q.2 Essay
12

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

A 55-year-old male was admitted to the hospital with complaints of severe pain

in the lateral aspect of his left calf and small amount of pus discharge from the

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

ingrown hair. On physical examination, the local area was found to be red,

warm and tender, Pus was aspirated and was subjected to Gram stain showed

gram-positive cocci in clusters culture on blood agar (showed golden yellow

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

pigmented beta-haemolytic colonies).


2406000102030702-S

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

[4 of 6]

---

a. What is the clinical diagnosis and its causative organism?
02
b. List the infections caused by this organism.

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

02
c. List the virulence factors of this organism.
03
d. Briefly discuss the laboratory diagnosis.
05

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

Q.3 Answer in Brief (Any 4 out of 5):
28
1. Cutaneous tuberculosis.
2. Superficial fungal infections.
3. Pathogenesis of Streptococcus pyogenes in soft tissue infections.

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

4. Fever with rash in a child: four causative organisms and pathogenesis,
laboratory diagnosis and prevention of anyone
5. Describe the morphology of the rabies virus. Discuss the laboratory
methods used for its diagnosis in humans and animals.

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

SECTION-III
Q.4 Essay
12

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

A 28-year-old female presents with a 3-day history of burning sensation during

urination, increased frequency, and lower abdominal discomfort. She denies

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

fever or back pain. A urine dipstick test shows the presence of nitrites and

leukocytes.

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

1. What is the likely diagnosis?
02
2. List common organisms causing this condition.
03
3. Discuss laboratory investigations used to confirm the diagnosis.

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

04
4. Outline the treatment and prevention strategies.
03
2406000102030702-S
[5 of 6]

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

---

Q.5 Answer in Brief (Any 4 out of 5):
28
1. Role of healthcare workers in preventing HAIs.
2. Rhinosporidiosis

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

3. Laboratory diagnosis of Candidiasis.
4. Differentiate between healthcare-acquired and community-acquired
pneumonia.
5. Filtration techniques used in hospital infection control.

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

*****
2406000102030702-S
[6 of 6]

---