#1
Which of the following is not a characteristic of viruses?
Ability to replicate outside of a host cell
ExplanationViruses require a host cell for replication.
#2
What is the primary target of antiviral drugs?
Viral nucleic acids
ExplanationAntiviral drugs aim to disrupt viral replication.
#3
Which type of virus is the influenza virus?
Orthomyxovirus
ExplanationInfluenza viruses belong to the Orthomyxovirus family.
#4
Which viral infection is associated with the human papillomavirus (HPV)?
Cervical cancer
ExplanationHPV is strongly associated with cervical cancer.
#5
What is the protein shell enclosing the viral genome called?
Capsid
ExplanationThe protein shell is called the capsid.
#6
Which of the following viruses is responsible for causing measles?
Measles virus
ExplanationMeasles virus is the cause of measles.
#7
What is the name of the virus that causes chickenpox?
Varicella-zoster virus
ExplanationVaricella-zoster virus causes chickenpox.
#8
Which virus is responsible for causing the common cold?
Rhinovirus
ExplanationRhinovirus is a common cause of the common cold.
#9
Which of the following viruses is associated with causing cervical cancer?
Human papillomavirus
ExplanationHuman papillomavirus (HPV) is linked to cervical cancer.
#10
Which of the following viruses is responsible for causing COVID-19?
SARS-CoV-2
ExplanationSARS-CoV-2 is the virus causing COVID-19.
#11
What is a retrovirus?
A virus that can replicate its DNA genome by reverse transcription
ExplanationRetroviruses replicate using reverse transcription.
#12
What is the viral envelope primarily composed of?
Lipids
ExplanationViral envelopes consist mainly of lipids.
#13
What is the primary mode of transmission for the Zika virus?
Mosquito bites
ExplanationZika virus is primarily transmitted through mosquito bites.
#14
Which of the following is a characteristic feature of the herpes simplex virus (HSV)?
It can establish latency in nerve cells
ExplanationHSV can establish latent infections in nerve cells.
#15
What is the name of the viral family to which the Ebola virus belongs?
Filoviridae
ExplanationEbola virus belongs to the Filoviridae family.
#16
Which of the following is a DNA virus?
Herpes simplex virus
ExplanationHerpes simplex virus is a DNA virus.
#17
Which of the following is a zoonotic virus?
Rabies virus
ExplanationRabies virus is transmitted from animals to humans.
#18
Which of the following is a vector-borne viral disease?
Dengue fever
ExplanationDengue fever is transmitted by mosquitoes.
#19
What is the process by which a virus attaches to a host cell?
Adsorption
ExplanationAdsorption is the attachment process of viruses to host cells.
#20
Which of the following is a method used by viruses to evade the immune system?
Mutating rapidly
ExplanationViruses evade the immune system by mutating rapidly.
#21
What is the mode of transmission for the hepatitis A virus?
Fecal-oral route
ExplanationHepatitis A virus is transmitted via the fecal-oral route.
#22
Which of the following is not a common symptom of viral infections?
Hypertension
ExplanationHypertension is not typically a symptom of viral infections.
#23
What is the primary target of the human immunodeficiency virus (HIV) in the human body?
T cells (CD4+)
ExplanationHIV primarily targets CD4+ T cells in the immune system.
#24
Which of the following is a characteristic feature of RNA viruses?
Rapid mutation rates
ExplanationRNA viruses exhibit rapid mutation rates.
#25
What is the primary target of the rabies virus in the human body?
Nerve cells
ExplanationRabies virus primarily targets nerve cells in the body.