microbiology MCQs – Page 3

Practise focused microbiology questions with marked answers for exam preparation and subject revision.

microbiology Mcqs
41. Which of the following parasite causes autoinfection_________________?
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A. Taenia solium

B. Giardia lambella

C. Balantidium coli

D. Isopora belli

42. Sporozoites of plasmodium falciparum are shaped_______________?
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A. Sickle

B. Dot

C. Comma

D. Banana

43. A dentist suffred from Hepatitis B infection 3 months back. His laboratory tests are normal but he is not allowed by the medical board to do surgical practice. He is_____________?
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A. Paradoxical carrier

B. Inactive carrier

C. Convalscent carrier

D. Healthy carrier

44. Endoscopes are sterilized by using_______________?
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A. Cidex

B. Gamma radiation

C. Autoclaving

D. Boiling
45. A cerebrospinal fluid of a 2 years old child has been sent to the laboratory to detect the presence of capsulated yeast. The staining technique most commonly employed for the purpose is______________?
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A. India ink preparation

B. Ziehl-Neelsen stain

C. Pyte-ferraco stain

D. Methanamine silver stain

46. Rh incompatibility is which type of hyper sensitivity reaction ?
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A. Type I

B. Type III

C. Type IV

D. Type II
47. Active artificial immunization is induced by the administration of all of the following EXCEPT______________?
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A. Vaccines

B. Antitoxins

C. Toxoids

D. Bacterial products

48. patients with organ transplants are most frequently infected with______________?
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A. EBV

B. Hepatitis B

C. CMV

D. Hepatitis A

49. Candida albicans causes all of the following except______________?
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A. Meningitis

B. Endocarditis

C. Oral thrush

D. Mycetoma
50. Best method of sterilizing disposable syringes_______________?
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A. Gamma rays

B. U.V. rays

C. Hot air oven

D. Boiling

51. Hot air oven cannot be used for sterlisling___________________?
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A. Needles

B. Instruments

C. Culture media

D. Clothes

52. Common name for Trichuris trichura________________?
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A. Tape worm

B. Round worm

C. Seat woman

D. Whip worm
53. IgG antibodies have a half-life of approximately_______________?
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A. 1 hour

B. 1 week

C. 1 Month

D. 1 day

54. Mark true in following ?
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A. Hanta virus pulmonary syndrome is caused by inhalation of rodent urine and faces

B. Lyssa virus is transmitted by ticks

C. Kyanasur forest disease is caused by bite of wild animal

D. None of the above

55. Which of the following viruses are most likely to cross placenta and cause foetal defect ?
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A. Papilloma

B. Herpes Simplex

C. Mumps

D. Rubella
56. Anaerobic bacteria can be cultured in__________________?
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A. L-J medium

B. Robertson cooked meat medium

C. Sabourauds agar

D. Loefflers medium

57. Aflatoxins are produced by________________?
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A. Aspergillus flavus

B. Aspergillus niger

C. All of the above

D. Aspergillus fumigatus

58. Dorsets egg medium is used for cultivation of______________?
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A. Staphylococcus

B. Gonococcus

C. Streptococcus

D. Mycobacterium
59. By using phase contrast microscope_______________?
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A. External capsule formation can be observed

B. Internal structures are differentiated in living cells

C. Internal metabolic activities can be observed

D. Internal structures are differentiated in dead cells

60. Culture medium for corynebacterium diphtheria_______________?
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A. Loefflers serum slope

B. Lowenstein Jensen medium

C. Saboraud agar

D. Mc Conkey