Virus Quiz
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Which statement regarding viruses is true?
A. a virus can only reproduce inside of a living cell
B. viruses do not contain DNA
C. viruses are unicellular
D. viruses are generally larger than cells
What is the 1st step of virus infection?
A. Entry
B. Attachment
C. Replication
D. Assembly
What is a virus?
A. a tiny packet of genetic material in a protein coat
B. a cell with a flagella
C. a cell with a nucleus
What do viruses use to identify hosts?
A. They puncture the host with their spikes.
B. They dock with receptors on a cell’s surface.
C. They use their DNA to integrate with a host’s DNA.
D. The host is usually random.
A/An ____________is the smallest unit of life.
A. atom
B. stimulus
C. cell
D. DNA
From where corona-virus got its name?
A. Due to their crown-like projections.
B. Due to their leaf-like projections.
C. Due to their surface structure of bricks
A(n) _____ is a virus that targets and infects a bacterial cell.
A. endospore
B. decomposer
C. plasmid
D. bacteriophage
Corona Virus is highly contagious.
A. TRUE
B. FALSE
What nucleic acid if found in viruses?
A. DNA or RNA but not both
B. DNA
C. RNA
D. Neither
Antibiotics are effective in preventing and treating the new coronavirus?
A. TRUE
B. FALSE
What does a virus require in order to reproduce?
A. Energy in the form of ATP.
B. Another virus with which to exchange genetic material.
C. A host cell.
D. A source of nutrients.
What’s more important for preventing infection?
A. Wearing a face mask
B. Frequent hand washing
What do viruses need in order to reproduce?
A. they need genetic material
B. They need a host cell
C. They need bacteria
D. They need insulin
During the lytic infection by a virus, the host cell is-
A. destroyed
B. copied
C. passed on to the lysogenic cycle
D. not affected
Choose the correct order of lytic cycle steps
A. attachment, entry, assembly, replication, release
B. attachment, entry, replication, assembly, release
C. attachment, entry, assembly, release, replication
D. attachment, release, assembly, replication, entry
Which of the following correctly describes viruses?
A. non-living because they grow and develop
B. living because they can use energy
C. non-living because they cannot reproduce on their own
D. living because they can maintain homeostasis
What is the protective barrier around some viruses made of lipids
A. Cell Wall
B. Mitochondria
C. Envelope
D. Capsid
This is a killed or weakened virus that is injected into someone to create immunity to the disease
A. Vaccine
B. Porcine
C. Mitochondria
D. Lytic
Viruses use host cells to —
A. create fermentation products
B. facilitate respiration
C. reproduce
D. create antibodies
A photograph of a virus is shown below. The projections on the surface of the virus allows the virus to?
A. Most inside a host cell
B. Control a host cell’s DNA
C. Attach to a host cell
D. Signal other viruses to infect a host cell
What is the name of the protein capsule that encloses the genetic material (DNA/RNA) of a virus?
A. tail
B. nucleus
C. capsid
D. glycoprotein
Why do viruses have projections on the outside?
A. To send signals to other viruses.
B. To maintain their structure.
C. To attach to the host cell.
D. To reproduce.
Which of the following can be used to prevent a viral infection?
A. Vaccine
B. Antibiotic
C. Probiotic
D. Anti-inflammatory
A reaction to a stimulus is a ______________.
A. hiccup
B. response
C. metabolism
D. homeostasis
What feature do viruses have in common with animal cells?
A. ability to form proteins at the ribosomes
B. existence of lipids in cell membranes
C. presence of genetic information (DNA or RNA)
D. production of energy by a mitochondrion
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