#1
What is the primary function of viral taxonomy?
To classify viruses based on shared characteristics
ExplanationClassification based on shared features.
#2
Which of the following is NOT a component of a typical virus?
Ribosomes
ExplanationRibosomes are not part of the viral structure.
#3
Which of the following is a method used for viral replication?
Budding
ExplanationBudding is a method of viral replication.
#4
What is the name for a virus that infects bacteria?
Phage
ExplanationBacteriophage infects bacteria.
#5
Which kingdom do viruses belong to?
They are not classified in any kingdom
ExplanationViruses lack kingdom classification.
#6
Which of the following is NOT a mode of viral transmission?
Photosynthesis
ExplanationPhotosynthesis is not a mode of viral transmission.
#7
What is the primary target of antiviral drugs?
Host cell
ExplanationAntivirals target host cells.
#8
Which of the following is NOT a method of viral entry into host cells?
Exocytosis
ExplanationExocytosis is not a method of viral entry.
#9
Which of the following is a characteristic feature of a prion?
Consists of abnormal protein
ExplanationPrions consist of abnormal proteins.
#10
Which cellular component do viruses lack?
Cell membrane
ExplanationViruses lack a cell membrane.
#11
What is the basic structure of a virus?
Protein coat surrounding genetic material
ExplanationGenetic material enclosed by a protein coat.
#12
Which viral taxonomy level is directly below family?
Genus
ExplanationGenus level classification.
#13
Which of the following is NOT a type of viral genome?
Protein
ExplanationProtein is not a viral genome type.
#14
What is the function of the viral envelope?
Facilitation of attachment to host cells
ExplanationHelps virus attach to host cells.
#15
What is the role of viral polymerase during viral replication?
Copying viral RNA or DNA
ExplanationViral polymerase copies genetic material.
#16
Which viral structure contains the genetic material?
Nucleocapsid
ExplanationGenetic material is within the nucleocapsid.
#17
What is a common feature of both lytic and lysogenic cycles in viral replication?
Attachment of virus to host cell
ExplanationBoth cycles involve host cell attachment.
#18
Which type of viral genome undergoes reverse transcription?
Single-stranded RNA
ExplanationSingle-stranded RNA undergoes reverse transcription.
#19
What is the primary role of viral proteins?
Facilitation of viral entry into host cells
ExplanationViral proteins help viruses enter host cells.
#20
Which viral structure protects the genetic material from host defenses?
Capsid
ExplanationCapsid shields genetic material.
#21
What is a characteristic feature of retroviruses?
Reverse transcriptase enzyme
ExplanationPresence of reverse transcriptase enzyme.
#22
Which viral structure is responsible for viral attachment to host cells?
Spike protein
ExplanationSpike protein facilitates attachment.
#23
Which of the following viruses is responsible for COVID-19?
Coronavirus
ExplanationCOVID-19 is caused by a coronavirus.
#24
Which viral protein facilitates the release of mature viruses from host cells?
Neuraminidase
ExplanationNeuraminidase aids in virus release.
#25
Which virus is associated with causing cervical cancer?
Human papillomavirus (HPV)
ExplanationHPV is linked to cervical cancer.