Download ABVMU MBBS 2nd Year 2024 March Microbiology Paper I MCQS Question Paper

ATAL BIHARI VAJPAYEE MEDICAL UNIVERSITY, LUCKNOW
MBBS DEGREE - IInd PROFESSIONAL - REGULAR EXAMINATION - MARCH-2024
MICROBIOLOGY - PAPER - I
SECTION A - Multiple Choice Questions (MCQs)
PAPER CODE : 2411130006

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SET : B
Note: Choose one correct answer in the OMR sheet provided. No overwriting should be done.
Time: 20 Minutes (20 x 1 = 20 MARKS)
1. Jumping genes is:
a) Episome

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b) Transposon
c) Plasmid
d) Cosmid
2. Which of the following is an enveloped virus?
a) Adenovirus

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b) Herpesvirus
c) Polio virus
d) Influenza virus
3. Which is the most common cause of endocarditis associated with intravenous
drug usage?

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a) Streptococcus agalactiae
b) Staphylococcus aureus
c) Streptococcus pneumoniae
d) Staphylococcus epidermidis
4. Penicillin anaphylaxis is mediated by which of the following hypersensitivity

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reactions?
a) Type II
b) Type I
c) Type IV
d) Type III

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5. Which of the following biomedical waste bags are terminally disposed by
incineration?
a) Yellow
b) Black
c) White

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d) Red

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6. What level of hepatitis B antibody is considered to be protective after
vaccination?
a) 1 IU/ml
b) 0.1 IU/ml

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c) 10 IU/ml
d) 0.05 IU/ml
7. Which of the following uses both diffusion and dilution methods for antimicrobial
susceptibility?
a) Broth dilution method

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b) Kirby Bauer
c) E-test
d) Stokes
8. What is a mutation that changes the whole sequence of amino acids occurring
after it known as?

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a) Nonsense mutation
b) Missense mutation
c) Frameshift mutation
d) Inversion
9. Definitive host for Echinococcosis is:

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a) Dog
b) Man
c) Pig
d) Sheep
10. Endoscope is sterilized by:

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a) Formaldehyde
b) Glutaraldehyde
c) Hot air oven
d) Autoclaving
11. India ink is which type of staining technique?

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a) Impregnation method
b) Simple staining
c) Differential staining
d) Negative staining

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12. Tyndallization is a type of:

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a) Pasteurisation
b) Intermittent sterilization
c) Dry heat
d) Boiling
13. Which one of the following is NOT a suitable specimen for anaerobic culture?

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a) Throat swab
b) Peritoneal fluid
c) Blood
d) Exudates from deep abscess
14. Which one is the single most important cause of gastroenteritis in young

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children?
a) Rota viruses
b) Adenoviruses
c) Sapovirus
d) Norovirus

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15. Which of the following fungi is usually associated with Blood Stream Infection?
a) Paracoccidioides
b) Sporothrix schenckii
c) Rhizopus
d) Piedra

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16. All of the following are testing methods of Antimicrobial sensitivity for bacteria
except:
a) Broth dilution method
b) Disk diffusion method
c) Molecular method

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d) Chemical method
17. A 25 year old female presented to emergency with generalized edema,
sweating, flushing, tachycardia and edema after a bee sting. This reaction is
mediated by which of the following antibodies?
a) IgG

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b) IgM
c) IgA
d) IgE

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18. Prozone phenomenon is due to:
a) Antibody excess

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b) Antigen excess
c) Antigen antibody excess
d) Hyper immune response
19. Bacteria are uniformly stains in which phase of bacterial growth curve?
a) Log phase

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b) Lag phase
c) Decline phase
d) Stationary phase
20. Detection of fimbriae can be done by which of the following method?
a) Craigie's tube method

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b) Hanging drop method
c) Differential staining
d) Electron microscopy
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