351. Phagocytosis enhanced by coating the surface of antigen is called______________?
A. Opsonisation
B. Chemotaxis
C. De coding
D. CFT
✅ The correct answer is option Opsonisation.
Microbiology MCQs
352. Secondary response is mediated by_______________?
A. IgG
B. IgA
C. IgM
D. IgE
✅ The correct answer is option IgG.
353. Endoscopes are sterilized by using_______________?
A. Autoclaving
B. Boiling
C. Cidex
D. Gamma radiation
✅ The correct answer is option Boiling.
354. Rh incompatibility is which type of hyper sensitivity reaction ?
A. Type I
B. Type II
C. Type III
D. Type IV
✅ The correct answer is option Type II.
355. The minimum time required for the sterilization of surgical instruments by moist heat at 134°C is__________________?
A. 3 minutes
B. 15 minutes
C. 30 minutes
D. 60 minutes
✅ The correct answer is option 3 minutes.
356. Black pigmented anaerobes include all of the following except______________?
A. Tannerella
B. Porphyromonas
C. Buccae
D. Prevotella
✅ The correct answer is option Buccae.
357. Which of the following is an enrichment medium________________?
A. Blood agar
B. Selenite F Broth
C. Mac Conkey agar
D. Nutrient Broth
✅ The correct answer is option Selenite F Broth.
358. Transmission of all of the following intestinal parasites takes place by the feco-oral route except______________?
A. Giardia lambia
B. Ascaris lumbriocoides
C. Strongyloides
D. Entamoeba
✅ The correct answer is option Strongyloides.
360. Seroconversion in HIV infection takes place in______________?
A. 2 weeks
B. 4 weeks
C. 9 weeks
D. 12 weeks
✅ The correct answer is option 4 weeks.