22. Intracytoplasmic inclusion bodies are found in cells infected with
A.Rabies virus
B.Vaccinia virus
C.Fowlpox virus
D.all of these

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23. What is the function of positive strand in double stranded RNA viruses?
A.Synthesis of protein
B.Production of ribosomes
C.Both (a) and (b)
D.None of these

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24. Which of the following virus is transmitted by the respiratory route?
A.Rhinovirus
B.Coronavirus
C.Measles virus
D.All of these

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25. The predominant lipid substance found in the viral envelope is
A. phospholipids
B.glycolipids
C.neutral fat
D.all of these

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26. Supercoiling refers to the extra turns in the structure of ds DNA due to the action of
A.DNA gyrase
B.DNA pyrase
C.RNA gyrase
D. RNA pyrase

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27. The tissue structure deteriorates as the virus multiplies. This deterioration is called
A.aneuploidy
B.protopathic effect
C.cytopathic effect
D.none of these

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28. The structural abnormality of cells is termed as
A.hyperplasia
B.anaplasia
C.metastasis
D.all of these

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