Q6/9I/04-15 Reg. No

St. Joseph’s College of Arts & Science (Autonomous) St. Joseph’s College Road, Cuddalore – 607001 MB613 – MEDICAL VIROLOGY

Time : 3 hrs

Max Marks :75 SECTION – A (10X1=10) Answer ALL Questions

Choose the correct answer 1. Fully developed viral particles composed of nucleic acid surrounded by a protein coat are called a. Virion b. Capsid c. Prion d. None 2. Double stranded DNA containing vaccinia virus is an example for a. Pox virus b. Parvo virus c. Papova virus d. Rhino virus 3. Kaposi’s sarcoma caused by a. Pox virus b. Picorna virus

c. Adeno virus

4. Hepatitis A belongs to a. Hepadno b. Picorna 5. Paramyxovirus contains a. One strand of RNA c. Three strands of RNA

c. Pox

d. Herpes virus

d. Adeno

b. Two strand of RNA d. Four strand of RNA

6. Example of orthomyxo virus is a.Influenza B b. Hepatitis B

c. Hepatitis C

d. None

7. A group of viruses that are transmitted by arthropod vectors a. Arbo virus b. Rabies virus c. Rubella virus d. None 8. Dengue virus belongs to a. Arbo virus b. Rabies virus

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c. Rubella virus

d. None

Q6/9I/04-15

9. Rota virus belongs to a. Reoviridae c. Arenoviridae 10. HIV is a. Reo virus

b. Rotavirus

b. Retroviridae d. Orthoviridae

c. Lentivirus

d. Rubella virus

SECTION – B (5X3=15) Answer any FIVE Questions 11. Give a basic steps of animal tissue culture. 12. Explain the terms lytic and lysogenic infection. 13. Explain the pathogenesis of picorna viruses. 14. Give an account of the structure of paramyxovirus. 15. Discuss the diagnosis of Arboviruses. 16. Write the clinical manifestations of Rota virus. 17. Write the cause of tumors. SECTION – C (5X10=50) Answer ALL Questions 16. a. Describe the General properties of viruses. (or) b. Explain briefly the virus classification. 17. a. Explain the Morphology, pathogenesis and laboratory diagnosis of herpes virus. (or)

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Q6/9I/04-15

b. Explain the Morphology, pathogenesis, laboratory diagnosis and control of Adeno viruses. 18. a. Write note on the Morphology, pathogenesis, laboratory diagnosis and control Orthomyxo viruses (or) b. Explain the Morphology, pathogenesis, laboratory diagnosis and control Paramyxo viruses. 19. a. Describe the Morphology, pathogenesis, laboratory diagnosis and control of rhabdo viruses. (or) b. Describe the Morphology, pathogenesis, laboratory diagnosis and control of Hepatitis C viruses. 20. a. Describe the Morphology, pathogenesis, laboratory diagnosis and control of rota viruses (or) b. Explain Morphology, pathogenesis and laboratory diagnosis of Papova virus.

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