Q. Bacteriophages are of two structural forms either cubical symmetry or

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Q. There are five kingdoms according to Lynn and Karolene which are Prokaryotes, Protoctista, Fungi, Animalia and

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Q. AIDS virus penetrates into host's

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Q. A complete, mature and infectious particle of virus is called as

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Q. Base plate of a bacteriophage is attached to tail fibers which are in number

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Q. A system for naming any classifying all organisms was given by

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Q. A virus which is passed on to progeny cells after being incorporated in host genome is called

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Q. Disease in which fluid filled vesicles are formed on body which takes shape of pustules and leave pitted scars is

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Q. Shape of head of a bacteriophage is

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Q. Numerous micro-organisms which may be infectious proteins are the

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Q. HIV target major cells in human body known as

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Q. Viruses are extremely small infectious agents which range in size from 250nm to

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Q. Type of hepatitis which is transferred by contact with faces of patient is

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Q. A disease which inflames liver of human beings is

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Q. If viral DNA is detached from host's chromosome, it leads to beginning of lytic cycle called

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Q. Virology deals with study of

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Q. Phage in which lysis of host cell takes place is

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Q. Zea mays (corn) belongs to phylum

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Q. Phage tail structure of a bacteriophage is more complex than its

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Q. When HIV invades in an individual, it destroys its

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