Which of the following is the smallest infectious agent?
a) Bacteria
b) Fungi
c) Virus
d) Parasite
Answer: c) Virus
What is the outer protein coat of a virus called?
a) Capsid
b) Envelope
c) Nucleocapsid
d) Spikes
Answer: a) Capsid
Viruses cannot replicate on their own because they lack:
a) Genetic material
b) Enzymes
c) Ribosomes
d) Host cells
Answer: d) Host cells
Which of the following is NOT a method of viral transmission?
a) Airborne
b) Vector-borne
c) Sexual
d) Photosynthetic
Answer: d) Photosynthetic
The process of a virus entering a host cell is called:
a) Attachment
b) Entry
c) Replication
d) Transcription
Answer: b) Entry
What is the term for a virus that infects bacteria?
a) Bacteriophage
b) Retrovirus
c) Prion
d) Viroid
Answer: a) Bacteriophage
Which of the following is the genetic material of a virus?
a) DNA
b) RNA
c) Both DNA and RNA
d) None of the above
Answer: c) Both DNA and RNA
Viruses that contain RNA as their genetic material are called:
a) Retroviruses
b) Adenoviruses
c) Herpesviruses
d) Papillomaviruses
Answer: a) Retroviruses
Which of the following is an example of an enveloped virus?
a) Influenza virus
b) Poliovirus
c) Adenovirus
d) Rhinovirus
Answer: a) Influenza virus
What is the term for the protein spikes on the outer surface of some viruses?
a) Capsid
b) Envelope
c) Nucleocapsid
d) Glycoprotein
Answer: d) Glycoprotein
Which of the following is NOT a viral disease?
a) Measles
b) Tuberculosis
c) Rabies
d) HIV/AIDS
Answer: b) Tuberculosis
The process of a virus leaving a host cell is called:
a) Attachment
b) Entry
c) Release
d) Replication
Answer: c) Release
Which of the following is an example of a DNA virus?
a) HIV
b) Influenza virus
c) Herpes simplex virus
d) Rhinovirus
Answer: c) Herpes simplex virus
What is the term for the process by which a virus makes copies of its genetic material?
a) Translation
b) Replication
c) Transcription
d) Integration
Answer: b) Replication
Which of the following is a viral disease transmitted by mosquitoes?
a) Mumps
b) Dengue fever
c) Tetanus
d) Hepatitis B
Answer: b) Dengue fever
What is the term for a virus that causes cancer?
a) Oncovirus
b) Retrovirus
c) Prion
d) Viroid
Answer: a) Oncovirus
Which of the following is an example of an RNA virus?
a) Measles virus
b) Varicella-zoster virus
c) Human papillomavirus
d) Hepatitis C virus
Answer: d) Hepatitis C virus
What is the term for the process by which a virus inserts its genetic material into the host cell’s genome?
a) Attachment
b) Entry
c) Replication
d) Integration
Answer: d) Integration
Which of the following is a viral disease that primarily affects the respiratory system?
a) HIV/AIDS
b) Measles
c) Hepatitis B
d) Norovirus
Answer: b) Measles
What is the term for the process by which a virus produces new viral particles within a host cell?
a) Assembly
b) Release
c) Replication
d) Transcription
Answer: a) Assembly
Which of the following is a viral disease that primarily affects the liver?
a) Influenza
b) Measles
c) Hepatitis B
d) Mumps
Answer: c) Hepatitis B
What is the term for a virus that contains RNA as its genetic material and uses reverse transcriptase to convert it into DNA?
a) Retrovirus
b) Adenovirus
c) Herpesvirus
d) Papillomavirus
Answer: a) Retrovirus
Which of the following is an example of a zoonotic viral disease?
a) Common cold
b) Influenza
c) Chickenpox
d) Polio
Answer: b) Influenza
What is the term for the protein-based infectious agent that lacks genetic material?
a) Virus
b) Bacteriophage
c) Prion
d) Viroid
Answer: c) Prion
Which of the following is an example of an arboviral disease?
a) Ebola
b) Zika virus
c) Rotavirus
d) SARS-CoV-2
Answer: b) Zika virus
What is the term for the protein shell that surrounds the genetic material of a virus?
a) Capsid
b) Envelope
c) Nucleocapsid
d) Spikes
Answer: a) Capsid
Which of the following is a viral disease that primarily affects the nervous system?
a) Measles
b) Influenza
c) Rabies
d) Hepatitis C
Answer: c) Rabies
What is the term for the process by which a virus takes control of a host cell’s machinery to produce new viral particles?
a) Attachment
b) Replication
c) Transcription
d) Hijacking
Answer: b) Replication
Which of the following is an example of a double-stranded RNA virus?
a) Poliovirus
b) Rhinovirus
c) Rotavirus
d) Papillomavirus
Answer: c) Rotavirus
What is the term for a virus that contains a lipid bilayer derived from the host cell’s membrane?
a) Bacteriophage
b) Retrovirus
c) Prion
d) Enveloped virus
Answer: d) Enveloped virus
Which of the following is an example of a viral disease that primarily affects the gastrointestinal system?
a) HIV/AIDS
b) Measles
c) Norovirus
d) Herpes simplex virus
Answer: c) Norovirus
What is the term for the specific molecule on a host cell that a virus binds to during attachment?
a) Antibody
b) Receptor
c) Enzyme
d) Antigen
Answer: b) Receptor
Which of the following is an example of an RNA virus that causes the common cold?
a) Influenza virus
b) Rhinovirus
c) Adenovirus
d) Varicella-zoster virus
Answer: b) Rhinovirus
What is the term for the process by which a virus converts its RNA into DNA using reverse transcriptase?
a) Reverse transcription
b) Transcription
c) Translation
d) Replication
Answer: a) Reverse transcription
Which of the following is a viral disease that primarily affects the respiratory and gastrointestinal systems?
a) Mumps
b) Tetanus
c) Hepatitis B
d) Rotavirus
Answer: d) Rotavirus
What is the term for the process by which a virus produces messenger RNA from its genetic material?
a) Translation
b) Replication
c) Transcription
d) Integration
Answer: c) Transcription
Which of the following is a viral disease that primarily affects the skin and mucous membranes?
a) Influenza
b) Measles
c) Hepatitis C
d) Mumps
Answer: b) Measles
What is the term for a virus that contains a single strand of RNA as its genetic material?
a) Retrovirus
b) Adenovirus
c) Herpesvirus
d) Papillomavirus
Answer: a) Retrovirus
Which of the following is an example of a viral disease that primarily affects the liver?
a) Influenza
b) Measles
c) Hepatitis A
d) Mumps
Answer: c) Hepatitis A
What is the term for a virus that contains a circular RNA molecule as its genetic material?
a) Retrovirus
b) Adenovirus
c) Viroid
d) Bacteriophage
Answer: c) Viroid
Which of the following is a viral disease that primarily affects the central nervous system?
a) Measles
b) Influenza
c) Rabies
d) Hepatitis B
Answer: c) Rabies
What is the term for a virus that contains a protein coat but lacks genetic material?
a) Virus
b) Bacteriophage
c) Prion
d) Viroid
Answer: c) Prion
Which of the following is an example of an emerging viral disease?
a) Smallpox
b) Polio
c) Measles
d) Ebola
Answer: d) Ebola
What is the term for the process by which a virus assembles new viral particles inside a host cell?
a) Attachment
b) Entry
c) Replication
d) Assembly
Answer: d) Assembly
Which of the following is a viral disease that primarily affects the respiratory system and is caused by a coronavirus?
a) Measles
b) Influenza
c) COVID-19
d) Mumps
Answer: c) COVID-19
What is the term for the process by which a virus releases new viral particles from a host cell?
a) Attachment
b) Entry
c) Replication
d) Release
Answer: d) Release
Which of the following is an example of a viral disease that primarily affects the respiratory system and is transmitted through the air?
a) HIV/AIDS
b) Measles
c) Hepatitis C
d) Norovirus
Answer: b) Measles
What is the term for a virus that contains double-stranded DNA as its genetic material?
a) Retrovirus
b) Adenovirus
c) Herpesvirus
d) Papillomavirus
Answer: b) Adenovirus
Which of the following is a viral disease that primarily affects the liver and is transmitted through contaminated food and water?
a) Influenza
b) Measles
c) Hepatitis A
d) Mumps
Answer: c) Hepatitis A
What is the term for a virus that contains a protein coat but lacks genetic material and can cause neurodegenerative diseases?
a) Virus
b) Bacteriophage
c) Prion
d) Viroid
Answer: c) Prion
Which of the following is an example of a viral disease that primarily affects the respiratory system and is transmitted through respiratory droplets?
a) Influenza
b) Measles
c) Hepatitis C
d) Norovirus
Answer: a) Influenza
What is the term for a virus that contains double-stranded RNA as its genetic material?
a) Retrovirus
b) Adenovirus
c) Rotavirus
d) Papillomavirus
Answer: c) Rotavirus
Which of the following is an example of a viral disease that primarily affects the respiratory system and is caused by a paramyxovirus?
a) Measles
b) Influenza
c) Hepatitis C
d) Norovirus
Answer: a) Measles
What is the term for the protein spikes on the outer surface of some viruses that facilitate attachment to host cells?
a) Capsid
b) Envelope
c) Nucleocapsid
d) Glycoprotein
Answer: d) Glycoprotein
Which of the following is a viral disease that primarily affects the respiratory system and is caused by a paramyxovirus?
a) Mumps
b) Tetanus
c) Hepatitis B
d) Influenza
Answer: a) Mumps
What is the term for a virus that contains a lipid envelope derived from the host cell’s membrane and protein spikes on its surface?
a) Bacteriophage
b) Retrovirus
c) Prion
d) Enveloped virus
Answer: d) Enveloped virus
Which of the following is an example of a viral disease that primarily affects the respiratory system and is caused by a coronavirus?
a) Measles
b) Influenza
c) SARS
d) Hepatitis C
Answer: c) SARS
What is the term for the process by which a virus produces proteins using the host cell’s machinery?
a) Translation
b) Replication
c) Transcription
d) Integration
Answer: a) Translation
Which of the following is an example of a viral disease that primarily affects the respiratory system and is transmitted through respiratory droplets?
a) HIV/AIDS
b) Measles
c) Hepatitis C
d) Norovirus
Answer: b) Measles
What is the term for a virus that contains a single strand of RNA as its genetic material and uses reverse transcriptase to convert it into DNA?
a) Retrovirus
b) Adenovirus
c) Herpesvirus
d) Papillomavirus
Answer: a) Retrovirus
Which of the following is a viral disease that primarily affects the respiratory system and is caused by a paramyxovirus?
a) Mumps
b) Tetanus
c) Hepatitis B
d) Influenza
Answer: a) Mumps
What is the term for a virus that contains a protein coat but lacks genetic material and can cause neurodegenerative diseases?
a) Virus
b) Bacteriophage
c) Prion
d) Viroid
Answer: c) Prion
Which of the following is an example of a viral disease that primarily affects the respiratory system and is caused by a coronavirus?
a) Measles
b) Influenza
c) SARS
d) Hepatitis C
Answer: c) SARS
What is the term for the protein spikes on the outer surface of some viruses that facilitate attachment to host cells?
a) Capsid
b) Envelope
c) Nucleocapsid
d) Glycoprotein
Answer: d) Glycoprotein
Which of the following is a viral disease that primarily affects the respiratory system and is caused by a coronavirus?
a) Mumps
b) Tetanus
c) Hepatitis B
d) Influenza
Answer: d) Influenza
What is the term for a virus that contains a lipid envelope derived from the host cell’s membrane and protein spikes on its surface?
a) Bacteriophage
b) Retrovirus
c) Prion
d) Enveloped virus
Answer: d) Enveloped virus
Which of the following is an example of a viral disease that primarily affects the respiratory system and is caused by a coronavirus?
a) Measles
b) Influenza
c) SARS
d) Hepatitis C
Answer: c) SARS
What is the term for the process by which a virus produces proteins using the host cell’s machinery?
a) Translation
b) Replication
c) Transcription
d) Integration
Answer: a) Translation
Which of the following is an example of a viral disease that primarily affects the respiratory system and is transmitted through respiratory droplets?
a) HIV/AIDS
b) Measles
c) Hepatitis C
d) Norovirus
Answer: b) Measles
What is the term for a virus that contains a single strand of RNA as its genetic material and uses reverse transcriptase to convert it into DNA?
a) Retrovirus
b) Adenovirus
c) Herpesvirus
d) Papillomavirus
Answer: a) Retrovirus
