Q. Enveloped viruses have a __________ shape.

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Q. The envelope of which of the following viruses is derived from the host cell nucleus?

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Q. Which of the following is semi-continuous (diploid) cell line?

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Q. Plant viruses may be cultivated in

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Q. The oncogene theory refers to

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Q. In cell culture, measles virus may lead to

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Q. A change from lysogeny to lysis is generally induced by

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Q. The viral DNA is removed from the host's chromosomes and the lytic cycle occurs. The process is called

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Q. The lysogenic state is governed by the activity of the regulatory region of the lambda phage genomes; this region is termed as

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Q. The capsomeres consist of a number of proteins subunits or molecules called

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Q. In order for a virus to replicate

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

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Q. Which of the following viruses show/s transformation of infected cells?

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Q. Which of the following may affect proteins and nucleic acids, but not viruses?

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Q. The viral DNA of the temperate phage, instead of taking over the functions of the cell's genes, is incorporated into the host DNA and becomes a prophage in the bacterial chromosome, acting as a gene. This happens in

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Q. Which of the following statements is not true of viruses?

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Q. Which of the following viruses belong/s to family caliciviridae?

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Q. In the simplest capsid, there is a capsomere at each of the 12 vertices; this capsomere, which is surrounded by five other capsomeres, is termed a

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Q. The size of viruses is usually measured in

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Q. The temperate phage that have no site specificity for insertion and may even be able to insert multiple copies of their DNA into a single bacterial chromosome is

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