Q. The development of hepatocellular carcinoma is associated with

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Q. Which of the following antigenic types of hepatitis B virus is prevalent in India?

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Q. The most complex type of bacterial viruses having hexagonal head, a rigid tail with a contractile sheath and tall fibers is morphologically classified as

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Q. Which of the following is not true of virions?

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Q. Bacteriophages have been used widely in genetic research, since they are the smallest and simplest biological entities capable of

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Q. Lesions on chorioallantoic membrane are produced by

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Q. Which one is not useful in the treatment of viruses except

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Q. The infected cells continue to reproduce themselves as well as the virus, and the mature virions are extruded from the cell surface continuously over a long period of time. This type of release mechanism is called a

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Q. What kind of embryo is often used for viral assays?

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Q. The envelope of an enveloped virus is derived from

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Q. The most popular indirect method of counting virus particles is by

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Q. Which of the following viruses belong to family Hepadnaviridae?

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Q. Inclusion bodies of measles virus are

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Q. The most efficient way to enclose a space is within a/an

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Q. Which of the following is an example of rod-shaped viruses having their capsomeres arranged helically and not in the stacked ring?

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Q. During the first 10 minutes after injection of phage DNA, no phage can be recovered by disrupting the infected bacterium. This is termed as

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Q. The function of a viral capsid is

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Q. Which of the following oncogenic viruses was first detected?

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Q. The yield of phage per bacterium is called the

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Q. Which of the following viruses are relatively thermostable?

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