Viral Life Cycle and Host Interaction Quiz

Test your knowledge of virology with questions on viral entry, replication, evasion strategies, and more. How much do you know?

#1

Which step of the viral life cycle involves the injection of viral genetic material into the host cell?

Attachment
Penetration
Replication
Assembly
#2

Which of the following is NOT a method by which viruses can enter host cells?

Endocytosis
Fusion with host cell membrane
Phagocytosis
Replication
#3

Which step of the viral life cycle involves the release of newly assembled viral particles from the host cell?

Attachment
Penetration
Replication
Release
#4

What is the main function of the viral protein coat (capsid)?

Facilitate attachment to host cells
Protect viral genetic material
Mediate fusion with host cell membrane
Trigger host immune response
#5

Which stage of the viral life cycle involves the synthesis of viral components using host cell machinery?

Attachment
Penetration
Replication
Assembly
#6

During which stage of the viral life cycle are new viral particles assembled from replicated genetic material and viral proteins?

Attachment
Penetration
Replication
Assembly
#7

Which type of virus is known for integrating its genetic material into the host cell's DNA?

Retrovirus
Adenovirus
Herpesvirus
Influenza virus
#8

What is the role of the viral enzyme reverse transcriptase?

To replicate viral RNA into DNA
To replicate viral DNA into RNA
To degrade host cell DNA
To inhibit viral protein synthesis
#9

Which of the following is a primary receptor used by HIV to enter target cells?

CD4
ACE2
Toll-like receptor
Interferon
#10

What is the role of neuraminidase in the life cycle of influenza virus?

To mediate attachment to host cells
To release newly formed virus particles from the host cell
To facilitate entry of viral RNA into the host cell nucleus
To prevent host cell apoptosis
#11

Which of the following is NOT a mechanism by which viruses evade the host immune system?

Antigenic drift
Antigenic shift
Apoptosis
Latency
#12

Which of the following is a strategy used by viruses to enter host cells without being detected by the immune system?

Camouflage
Interferon production
Apoptosis
Antigen presentation
#13

Which of the following is a viral protein that interferes with host cell signaling to promote viral replication?

Reverse transcriptase
Integrase
Protease
Viral kinase
#14

Which of the following is a viral protein that helps viruses evade the host immune response by inhibiting interferon production?

Hemagglutinin
Neuraminidase
Protease
Viral kinase

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