A. Gamma-Rays
B. X-Rays
C. Autoclaving
D. Boiling
✅ The correct answer is option Gamma-Rays.
Microbiology
Sunlight acts as sterilizing agent because_________________?
A. Long wavelength
B. short wave lenght
C. Ozone
D. Heat
✅ The correct answer is option short wave lenght.
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.
Which of the following statement about P24 antigen of HIV is Not True ?
A. It can be detected during the window period
B. Free P24 antigen disappears after the appearance of IgM response to it:
C. Virus load parallel P24 titre
D. It remains during asymptomatic phase
✅ The correct answer is option It remains during asymptomatic phase.
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.
The presence of Which of the following factors in viruses makes protective vaccines a possibility ?
A. Enzymes
B. Protein coat
C. Polysaccharide
D. Lipids
✅ The correct answer is option Protein coat.
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.
On a stained slide, clostridium tetani has the appearance of a__________________?
A. Bunch of a
B. Chain of beads
C. Drum stick
D. Safely pin
✅ The correct answer is option Drum stick.
The culture media used for cultivation of HSV is_____________?
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.
Which of the following viruses appears to be involved in the pathogenesis of Kaposi’s sarcoma_____________?
A. Human Herpes Virus 3
B. Human Herpes Virus 1
C. Human Herpes Virus 8
D. Human Herpes Virus 4
✅ The correct answer is option Human Herpes Virus 4.