Total No. of Questions - 6]
[Total No. of Printed Pages-7
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M.B.B.S. II Professional Examination
MB-II/12(R)
234111
Microbiology
Paper - I
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(New Course)
Time Allowed : 3 Hours
Maximum Marks : 100
Note:
- Paper has to be attempted in 2 parts: Section A & Section B.
- Section A is MCQ (Compulsory).
- In Section B, Q.No. 2,4 & 6 are Compulsory.
- Q.No. 3 & 5 have a choice.
- Draw Diagrams wherever relevant.
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SECTION-A
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Multiple Choice Questions (20×1=20)
Note: Please tick right answer in the choices give below. No marks will be given for overwriting.
-  Which of the following organism follows Koch's postulates. - Mycobacterium leprae
- Bacillus anthracis
- Treponema palladium
- Neisseria gonorrhoeae
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-  Which of the following microscopes the object appears bright against a dark background - Simple light microscope
- Dark ground microscope
- Compound light microscope
- Electron microscope
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-  Which is an enriched media - Selenite F broth
- Peptone water
- Mackonkey agar
- Chocolate agar
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-  Phage mediated transfer of DNA from one bacterium to another is k/a. - Transformation
- Transduction
- Transmission
- Conjugation
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-  ESBL producing organisms are resistant to all except. - All pencillins
- 3rd generation cephalosporins
- Monobactum
- Carbapenem
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-  Toll like receptor is a component of - Innate immunity
- Acquired immunity
- Active immunity
- Passive immunity
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-  Which antibody mediates mucosal immunity - IgA
- IgG
- IgE
- IgM
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-  All are agglutination reactions, except - VDRL
- Standard agglutination test
- Widal test
- Paul Bunnel test
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-  Which of the following acts as an anaphylatoxin. - C3a
- C3b
- C4b
- C2a
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-  A positive tuberculin test is an example of - Type I hypersensitivity
- Type II hypersensitivity
- Type III hypersensitivity
- Type IV hypersensitivity
 
-  In a patient with typhoid diagnosis after 15 days of onset of fever is best done by - Blood culture
- Stool culture
- Urine culture
- Widal test
 
-  All of the following rickettsiae belong to spotted fever group except - R.rickettsii
- R.conorii
- R.typhii
- R.akari
 
-  Malta fever is also called as - Undulant fever
- Relapsing fever
- Rat bite fever
 
-  Weil's disease is caused by - Leptospira interrogans
- Borrelia recurrentis
- Treponema carateum
- Treponma palladium
 
-  Hepatitis virus that spreads by faeco-oral route - Hepatitis A
- Hepatitis B
- Hepatitis C
- Hepatitis D
 
-  Which is known as Australia antigen? - HBsAg
- HBeAg
- HBcAg
- HBV DNA
 
-  Traveller's diarrhea is caused by - ETEC
- EHEC
- EPEC
- EIEC
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-  The most common viral cause of gastroenteritis - Rotavirus
- Norwalk virus
- Adeno virus
- Hepadnavirus
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-  Which of the following cestode eggs are not bile stained - Hymenolepis nana
- Diphyllobothrium latum
- Echinococcus granulosus
- Taenia solium
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-  Infective form and invasive form of Entamoeba histolytica are - Trophozoite and quadrinucleated cyst
- Quadrinucleated cyst and trophozoite
- Both trophozoite
- Both quadrinucleated cyst
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SECTION-B
- Discuss the normal flora of human body and its role in health and disease. (12)
- Discuss the medicolegal aspect of maintaining confidentiality pertaining to patient Identity on laboratory Results. 5
-  Write notes on: (Attempt Any 3) (3×7=21) - Immune Tolerance.
- Typhoid carriers.
- Lyme disease.
- Sub Unit Vaccine.
 
- What are the modes of Transmission of health care associated pathogens? Describe the role of Hospital infection control committee. (12)
-  Describe: (Attempt any FOUR) (4×7=28) - Antimicrobials that act on the cytoplasmic membrane.
- Nucleic acid synthesis inheritors.
- Cold Sterilization.
- Hypersensitivity Reactions.
- Diagnosis of Hepatitis B virus Infection.
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- Classify the Rickettisiaceae. Discuss the laboratory diagnosis of Rickettsial infections. (12)
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