Virus Quiz | Virus Objective Type Questions & Answers

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Questions
21 'Viroid' cause diseases rarely in humans, but , mostly in
A Plants
B Animals
C Horses
D Camels

Answer: Plants
22 'capsid' proteins and nucleic acid 'genome' combines to form
A Capsid
B Capsomere
C Nucleocapsid
D Nucleic acid

Answer: Nucleocapsid
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23 A single copy of 'genome' in all viruses, put it into a cell, known as
A Diploid
B Haploid
C Polyploid
D Euploid

Answer: Haploid
24 'Prions' lacks
A Proteins
B Capsids
C Nucleic acids
D Envelope

Answer: Nucleic acids
25 Missing function of defective viruses, provided by help of
A Helper virus
B Virion
C Prion
D Bacteriophages

Answer: Helper virus
26 All viruses are haploid, except
A Influenza virus
B Retrovirus
C Pox viruses
D Parvovirus

Answer: Retrovirus
27 Nucleic acid of viruses, included
A DNA
B RNA
C DNA or RNA
D None of these

Answer: DNA or RNA
28 Virus size is determined by 'protein' coat named as
A Cell wall
B Capsid
C Capsomere
D Cell membrane

Answer: Capsid
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

Answer: Virion
30 Hollow coil like arrangement of 'capsomeres' that looks like a rod shaped is known as
A Helical
B Icosahedral
C Spiral
D Triangular

Answer: Helical
31 Presence of solely single molecule of circular 'DNA' is speciality of the
A Prion
B Viroid
C Bacteriophages
D Virion

Answer: Viroid
32 Protein coat capsid of viruses, made up of repeated subunits, named as
A Proteins
B Amino acids
C Capsomere
D Nucleotides

Answer: Capsomere
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

Answer: Virus-specific
34 In virion structure, regulatory protein is present which is known as
A Tegument
B Cell membrane
C Antigen
D Coat

Answer: Tegument
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

Answer: Bacteriophage
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

Answer: Icosahedron
39 A structural component that is found in all viruses is:
A The envelope
B DNA
C Capsid
D Tail fibers

Answer: Capsid
40 The karyotype of cells formed from continuous cell lines is _______________
A haploid
B diploid
C aneuploid
D haploid and diploid

Answer: aneuploid

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