B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Fifth Semester
Microbiology and Clinical Lab Technology
VIROLOGY
(CBCS 2015 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all the questions.
1. Phage
2. Virion
3. Reverse transcriptase
4. Lysogeny
5. Prion
6. Elementary bodies
7. Transformation
8. Plaque
9. Oncogenic virus
10. Encephalitis.
Sub. Code
5BMC5C2
AFF-5011
2
WS6
Part B x 5 25)
Answer all questions by choosing either or
11. List the types of viruses.
Or
Explain the structure of TMV.
12. Comment on viral replication cycle.
Or
Briefly explain the multiplication of influenza virus.
13. Give an account on cytopathogenic effect.
Or
Expound embryonated egg method of viral culture.
14. Explain the method to assay viral enzyme activity.
Or
Write a note on Fluorescent focus assay.
15. Give the reasons for the emergence of new viral
diseases.
Or
Explain the causal agent, symptoms and control
measure of yellow fever.
Part C x 10 30)
Answer any three questions.
16. Explain the structure of HIV with suitable illustration.
17. Describe the lytic cycle of virus.
AFF-5011
3
WS6
18. Give a detailed account on virus-cell interactions.
19. Explain any two methods to measure viral particles and
their components.
20. Describe the causal organism, symptoms and control
measures of Hepatitis.
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