Download ABVMU MBBS 2nd Year Microbiology Paper I 2022 Question Paper

KGMU-Jan 2022

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MBBS 2nd PROFESSIONAL EXAMINATION, 2022

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MICROBIOLOGY

Paper I

Time Allowed: Three Hours

Maximum Marks- 100

Note: Attempt all questions in serial order. Answer Section-A and Section-B in separate answer books. All parts of a question should be answered together. Illustrate your answer with suitable diagram where required. Figures in parenthesis indicate marks allotted to a question.

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Section-A

Q1. Enumerate the various methods of horizontal gene transfer. Discuss in detail about mechanism of conjugation. (20)

Q2. Write briefly on: (4x5)

1. Classical Complement pathway
2. Disposal of microbiology laboratory waste

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3. Autoclave
4. Prozone phenomenon

Q3. Multiple Choice Questions: (10x1)

1. Polymerase chain reaction (PCR) was discovered by:
   1. Kary B Mullis
   2. Goodpasture

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   3. Robert Koch
   4. Edward Jenner
2. What is optimal temperature for growth of mesophilic bacteria?
   1. Below 20°C
   2. 25-40°C

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   3. 55-80°C
   4. None of the above
3. Loeffler'S serum slope is an example of:
   1. Differential medium
   2. Enriched medium

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   3. Selective medium
   4. None of the above
4. Which of the following are true for bacterial plasmid EXCEPT
   1. They are extrachromosomal
   2. They cannot replicate independently

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   3. They are not essential for bacterial life
   4. They usually carry important genetic information
5. All of the following are heterophile agglutination tests Except:
   1. Weil Felix reaction
   2. Paul Bunnel test

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   3. Cold agglutination test
   4. Widal test
6. All of the following immunoglobulins are heat stable Except:
   1. IgM
   2. IgG

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   3. IgE
   4. IgA
7. Firstranker's choiceGella is found in which of the following bacteria:
   1. Escherichia coli
   2. Vibrio cholera

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   3. Pseudomonas
   4. Campylobacter
8. UV rays are used for disinfection of all the following except:
   1. Operation theaters
   2. Laminar flow hoods

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   3. Water treatment
   4. Disposable plastic syringes
9. All of the following are TRUE about exotoxins Except:
   1. They are heat labile proteins
   2. They are poorly antigenic

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   3. Neutralised by specific antibodies
   4. They are secreted both by gram-positive and negative bacteria
10. Southern blotting is used for detection of which of the following?
    1. DNA
    2. RNA

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    3. Proteins
    4. None

Section-B

Q1. Write pathogenesis, diagnosis and management of typhoid fever. (20)

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Q2. Write short notes on: x6)

1. Toxic shock syndrome
2. Nongonococcal urethritis-
3. Non-typhoidal Salmonella
4. Bacillary dysentery -

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Q3. Multiple Choice Questions: (10x1)

1. All of the following are toxin-mediated Staphylococcus aureus diseases Except:
   1. Osteomyelitis
   2. Food poisoning
   3. Toxic Shock Syndrome
   4. Staphylococcal scalded skin syndrome

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2. All of the following are true about Streptococcus pneumonia EXCEPT:
   1. They are capsulated diplococcic
   2. They ferment Inulin
   3. They are optochin sensitive
   4. They are bile insoluble

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3. Diphtheria toxin is/are produced by following Corynebacterium species:
   1. C. diptheriae
   2. c. ulcerans
   3. C. pseudotuberculosis
   4. All of the above

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4. Pink eye and Brazilian purpuric fever are caused by:
   1. H. aegyptius
   2. H. influenzae
   3. H. aphrophilus
   4. H. ducreyi

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5. FIR FB FirstRanker.com KGMU-Jan 2022 Firstranker's chop the following are true about Brucella Except
   1. They have preefirsthand praca
   2. They cause Undulant fever
   3. Castaneda's method of blood culture is used for isolation of Brucella
   4. They are gram +ve cocci

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6. Rocky Mountain Spotted fever is caused by:
   1. R. prowazekii
   2. R. rickettsii
   3. R. typhi
   4. O. tsutsugamushi

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7. Venereal Syphilis is caused by:
   1. T. pallidum
   2. T.pallidum subsp. Endemicum
   3. T. pallidum subsp.pertenue
   4. T. carateum

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8. All of these mycobacteria cause skin lesions except:
   1. M. ulcerans
   2. M. tuberculosis
   3. M. marinum
   4. None of the above

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9. Food poisoning is caused by:
   1. Staphylococcus aureus
   2. Bacillus cereus
   3. Clostridium perfringens
   4. All of the above

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10. All of the following Vibrio species are halophilic, Except
    1. Vibrio vulnificus
    2. Vibrio cholera
    3. Vibrio parahaemolyticus
    4. Vibrio alginolyticus

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