A. Hepatitis B virus
B. Hepatitis C virus
C. Hepatitis E virus
D. Hepatitis A virus
✅ The correct answer is option Hepatitis E virus.
Microbiology MCQs
392. B.C.G untrue is_____________?
A. live vaccine
B. T.B vaccine
C. Orally administered
D. All of the above
✅ The correct answer is option Orally administered.
393. 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______________?
A. India ink preparation
B. Methanamine silver stain
C. Ziehl-Neelsen stain
D. Pyte-ferraco stain
✅ The correct answer is option India ink preparation.
394. Hepatitis C virus belongs to which one of the following virus groups ?
A. Picorna viruses
B. Herpes viruses
C. Hepadana viruses
D. Flavi viruses
✅ The correct answer is option Flavi viruses.
395. When horse serum is injected intravenoulsy in to a rabbit and again in to the skin two or three weeks later, what is the necrotizing reaction that occurs as the site of the second injection________________?
A. Atopy
B. Anaphylaxis
C. Arthus phenomenon
D. Serum sickness
✅ The correct answer is option Arthus phenomenon.
396. Endotoxins differ from exotoxins in that endotoxins______________?
A. are proteins
B. are heat labile
C. are highly antigenic
D. activate complement by the alternate pathway
✅ The correct answer is option activate complement by the alternate pathway.
397. Phospholipid used to investigate syphilis by the reagin test is________________?
A. Cardiolipin
B. Plasminogen
C. Palmityl lecithin
D. Serine
✅ The correct answer is option Cardiolipin.
398. Candidal hyphae can be stained using_______________?
A. Van Gieson’s stain
B. Periodic acid schiff stain
C. Masson Trichrome stain
D. Toluidine blue stain
✅ The correct answer is option Periodic acid schiff stain.
399. Organ of locomotion in bacteria is________________?
A. Fimbria
B. Flagella
C. Capsule
D. Cell wall
✅ The correct answer is option Flagella.
400. Dry heat destroys microorganisms by_____________?
A. Lysis
B. Oxidation
C. Hydrolysis of DNA
D. Coagulation of proteins
✅ The correct answer is option Oxidation.