611. Which of the following is not a pox virus ?
A. Cowpox
B. Molluscumcontagiosum
C. Small pox
D. chicken pox

612. Serological study for prevalence of Hepatitis B is best done by______________?
A. Surface antigen
B. Surface antibody
C. Core antigen
D. Core antibody

613. ELISA test when compared to western blot technique is______________?
A. Less sensitive less specific
B. More sensitive, more specific
C. Less sensitive, more specific
D. More sensitive, less specific

614. The virus which causes Aplastic anemia in chronic hemolytic disease is_______________?
A. Adeno
B. Hepatitis
C. EB virus
D. Parvo virus

615. Which of the following viruses produces both intranuclear and intracytoplasmic inclusion bodies_____________?
A. Chicken pox
B. Rabies
C. Small pox
D. Measles

616. Characteristic feature of retrovirus is_____________?
A. Ribonuclease
B. Reverse transcriptase
C. DNA polymerase
D. Restriction endonuclease

617. Dengue Hemorrhagic fever is caused by_____________?

A. Virus
B. Bacteria
C. Parasite
D. Bacteria superadded on virus

618. Interferon interferes with replication of virus at the time of_____________?
A. Protein synthesis
B. DNA/RNA replication
C. When virus enters the cell
D. Uncoating of the virus proteins capsule

619. Which of the following microbial cell is most resistant to antiseptics &disinfectants ?
A. Mycobacteria
B. Spore
C. Prions
D. Coccidia

620. Which of the following viruses does not infect salivary glands ?
A. Echo virus
B. Hepatitis C
D. Orthomyxovirus