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Free download in PDF Virus Objective Type Questions & Answers for competitive exams. These Virus Objective Questions with Answers are important for Board Exams as well as competitive exams of Biotechnology, Virology, AIIMS, NEET and other Pre-Medical Exams. These short solved questions or quizzes are provided by Gkseries.
(21)
'Viroid' cause diseases rarely in humans, but , mostly in
[A]
Plants
[B]
Animals
[C]
Horses
[D]
Camels
(22)
'capsid' proteins and nucleic acid 'genome' combines to form
[A]
Capsid
[B]
Capsomere
[C]
Nucleocapsid
[D]
Nucleic acid
(23)
A single copy of 'genome' in all viruses, put it into a cell, known as
[A]
Diploid
[B]
Haploid
[C]
Polyploid
[D]
Euploid
(24)
'Prions' lacks
[A]
Proteins
[B]
Capsids
[C]
Nucleic acids
[D]
Envelope
(25)
Missing function of defective viruses, provided by help of
[A]
Helper virus
[B]
Virion
[C]
Prion
[D]
Bacteriophages
(26)
All viruses are haploid, except
[A]
Influenza virus
[B]
Retrovirus
[C]
Pox viruses
[D]
Parvovirus
(27)
Nucleic acid of viruses, included
[A]
DNA
[B]
RNA
[C]
DNA or RNA
[D]
None of these
(28)
Virus size is determined by 'protein' coat named as
[A]
Cell wall
[B]
Capsid
[C]
Capsomere
[D]
Cell membrane
(29)
Infective and complete form of virus with core 'RNA' and capsid outside host cell is called
[A]
Virion
[B]
Virus
[C]
Prion
[D]
Bacteriophages
(30)
Hollow coil like arrangement of 'capsomeres' that looks like a rod shaped is known as
[A]
Helical
[B]
Icosahedral
[C]
Spiral
[D]
Triangular
31
Presence of solely single molecule of circular 'DNA' is speciality of the
[A]
Prion
[B]
Viroid
[C]
Bacteriophages
[D]
Virion
32
Protein coat capsid of viruses, made up of repeated subunits, named as
[A]
Proteins
[B]
Amino acids
[C]
Capsomere
[D]
Nucleotides
33
Envelop of virus, a lipoprotein membrane, composed of derivatives of lipid, from host cell membrane and protein, known to be a
[A]
Virus-specific
[B]
Host specific
[C]
Neutral
[D]
Capsid
34
In virion structure, regulatory protein is present which is known as
[A]
Tegument
[B]
Cell membrane
[C]
Antigen
[D]
Coat
35
'DNA' present in viruses, having
[A]
A single molecule
[B]
Double molecule
[C]
Several molecules
[D]
Clusters
Answer: A single molecule
36
What types of viruses contain the enzyme lysozyme to aid in their infection?
[A]
Bacteriophage
[B]
Animal Viruses
[C]
Plant Viruses
[D]
Fungal Viruses
37
A type of cell culture that can reproduce for an extended number of generations and is used to support viral replication is a :
[A]
Primary cell culture
[B]
Continuous cell line
[C]
Cell strain
[D]
Diploid fibroblast cell
Answer: Continuous cell line
38
A common polyhedral capsid shape of viruses is a :
[A]
Pentagon
[B]
Cube
[C]
Icosahedron
[D]
Pyramid
39
A structural component that is found in all viruses is:
[A]
The envelope
[B]
DNA
[C]
Capsid
[D]
Tail fibers
40
The karyotype of cells formed from continuous cell lines is _______________
[A]
haploid
[B]
diploid
[C]
aneuploid
[D]
haploid and diploid
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