Viral Replication and Microscopic Techniques Quiz

Test your knowledge on viral replication steps, microscopy techniques, enzymes, and genome types. Explore virology fundamentals in this quiz.

#1

Which of the following is NOT a step in viral replication?

Attachment
Penetration
Detoxification
Assembly
#2

Which of the following is a characteristic feature of RNA viruses?

They replicate in the host cell's nucleus.
They use reverse transcriptase for replication.
They have a high mutation rate.
They contain a protein capsid.
#3

Which of the following is NOT a type of viral genome?

Single-stranded RNA
Double-stranded DNA
Circular RNA
Single-stranded DNA
#4

Which of the following is NOT a method used to quantify viral particles?

Plaque assay
Hemagglutination assay
Enzyme-linked immunosorbent assay (ELISA)
Western blotting
#5

Which of the following is NOT a characteristic of retroviruses?

They contain reverse transcriptase.
They have a DNA genome.
They integrate their genome into the host cell's DNA.
They are enveloped viruses.
#6

Which microscopic technique is best suited for observing the internal structures of a virus?

Bright-field microscopy
Electron microscopy
Fluorescence microscopy
Phase-contrast microscopy
#7

What is the name of the process in which a virus transfers its genetic material into a host cell?

Transduction
Transcription
Translation
Transfection
#8

Which microscopy technique is commonly used to visualize live cells and dynamic processes?

Scanning electron microscopy (SEM)
Transmission electron microscopy (TEM)
Confocal microscopy
Atomic force microscopy (AFM)
#9

In which stage of viral replication do viruses assemble new viral particles?

Attachment
Penetration
Synthesis
Assembly
#10

Which microscopy technique provides three-dimensional images of specimens by scanning them with a focused beam of electrons?

Bright-field microscopy
Fluorescence microscopy
Confocal microscopy
Electron tomography
#11

During which stage of viral replication do viral proteins and genetic material begin to be synthesized?

Attachment
Penetration
Synthesis
Assembly
#12

Which enzyme is responsible for replicating RNA into DNA in retroviruses?

RNA polymerase
Reverse transcriptase
DNA ligase
Helicase
#13

Which viral replication cycle involves integration of the viral genome into the host cell's DNA?

Lytic cycle
Lysogenic cycle
Productive cycle
Abortive cycle
#14

What is the name of the protein shell that encloses the viral genome?

Capsid
Envelope
Matrix
Nucleocapsid
#15

Which process involves the release of mature virus particles from the host cell?

Lysis
Budding
Integration
Fusion
#16

Which enzyme is responsible for the cleavage of viral proteins from a polyprotein precursor during viral replication?

Protease
Helicase
Ligase
Primase
#17

Which viral replication cycle involves immediate cell lysis after the viral genome is replicated?

Lytic cycle
Lysogenic cycle
Productive cycle
Abortive cycle

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