A. Chocolate agar
B. Robertoson’s cooked-meat broth
C. Chorio allantoic membrane
D. Sabourad’s agar
✅ The correct answer is option Chorio allantoic membrane.
820. Which of the following belongs to cell fraction derived vaccine______________?
A. Measles
B. Mumps
C. Rubella
D. Hepatitis B
✅ The correct answer is option Hepatitis B.
815. Mycobacterium tuberculosis is differentiated from other atypical mycobacteria by______________?
A. Niacin test
B. AFB staining
C. Pas staining
D. None of the above
✅ The correct answer is option Niacin test.
809. During the Window period of patient with AIDS_______________?
A. ELISA IS – ve
B. Western Blot is – ve
C. Both are – ve
D. PCR is – ve
✅ The correct answer is option Both are – ve.
803. The Manufacturing unit of surgical needle & sutures are sterilized by ________________?
A. Gamma-Rays
B. X-Rays
C. Autoclaving
D. Boiling
✅ The correct answer is option Gamma-Rays.
802. All of the following are true of streptococcus except_____________?
A. It’s group of lactic acid production bacteria
B. Shows adherence to dental enamel
C. Most common in humans
D. Most common is animals
✅ The correct answer is option It’s group of lactic acid production bacteria.
837. Sterilisation is______________?
A. Pathogens killed but spores are not affected
B. Only pathogenic micro-organisms killed
C. Non-pathogenic killed
D. All pathogenic and non-pathogenic microorganisms killed
✅ The correct answer is option All pathogenic and non-pathogenic microorganisms killed.
831. Operation theatres are sterilized by_____________?
A. Carbolic acid spraying
B. Washing with soap and water
C. Formaldehyde fumigation
D. ETO gas
✅ The correct answer is option Formaldehyde fumigation.
828. Normal ratio of CD4 (T4) : CD8 (T8) is_________________?
A. 2:1
B. 1:2
C. 3:1
D. 1:3
✅ The correct answer is option 2:1.
822. The antigen used in Weil Felix test is obtained from________________?
A. Pseudomonas
B. A. coli
C. B. Proteus
D. C. Staphylococcus
✅ The correct answer is option Proteus.