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In which year, the first clue to the nature of viruses found ?

1898
1903
1911
1918


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Viruses are about a ________ times smaller than bacteria ? Select the correct answer.

100
1000
10000
100000


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The study of viruses is known as

Eulogy
Festilogy
Virology
Dyslogy


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Most of the Virus particles consists how many parts ?

9
7
5
3


These are (1) the genetic material made from either DNA or RNA. (2) a protein coat that protects these genes; and in some cases and (3) an envelope of lipids that surrounds the protein coat when they are outside a cell.

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Irrespective of the host cell, all viruses follow the same basic cycle. What is the cycle name ?

Lytic cycle
Lipid cycle
Lyrio cycle
Sipis cycle


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Which of the following viruses has not been associated with human cancer ?

Hepatitis C virus
Herpes simplex virus type 2
Varicella-Zoster virus
Hepatitis B virus


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Which virus was the first to be crystallised ?

Tobacco mosaic
Abaca mosiac
Bwamba
Canid herpesvirus


It is a positive-sense single stranded RNA virus that infects plants, especially tobacco and other members of the family Solanaceae.

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Viruses display a wide diversity of shapes and sizes, called

Apomorphy
Morphologies
Phenetics
Synapomorphy


Morphology is a branch of biology dealing with the study of the form and structure of organisms and their specific structural features

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Which type of viruses are composed of a single type of capsomer stacked around a central axis ?

Helical
Icosahedral
Prolate
Complex


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In which stage of life cycle of viruses, Replication of viruses involves ?

3
4
5
6


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