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.Management Sciences
Category: Virology
Characteristic feature of retrovirus is_____________?
A. Ribonuclease
B. Reverse transcriptase
C. DNA polymerase
D. Restriction endonuclease
Seroconversion in HIV infection takes place in______________?
A. 2 weeks
B. 4 weeks
C. 9 weeks
D. 12 weeks
EBV causes all except_________________?
A. Carcinoma of nasopharynx
B. Papilloma
C. Infectious mononucleosis
D. Burkitt’s lymphoma
Which of the following microbial cell is most resistant to antiseptics & disinfectants ?
A. Mycobacteria
B. Spore
C. Prions
D. Coccidia
Viruses can be cultured in all except_______________?
A. Chick embryo
B. Blood agar
C. Guinea pigs
D. Cell culture
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
Herpes virus_____________?
A. Acquires its envelope from nuclear membrane
B. Acquires its envelope from nucleolar membrane
C. Acquires its envelope from cytoplasmi membrane
D. None of the above
Certain viruses have been isolated in crytalline form and have been found to be_____________?
A. Nucleotides
B. Phospholipids
C. Scleroproteins
D. Nucleoproteins
Portal of entry of poliovirus in mainly_______________?
A. Gastrointestinal tract
B. Nasal mucosa
C. Lung
D. Skin
All are oncogenic except________________?
A. Anopheles
B. Aedes
C. Culex
D. Mansoni
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