Answer these VirologyMCQs and see how sharp is your knowledge of Virology. Scroll down and let's start!
A. Uses viral RNA as a template for DNA synthesis
B. Replicating by both the lytic cycle and the lysogenic cycle
C. RNA polymerase coded by viral genes and carried in the viral capsid
D. Inheritance of an infection from a parent
A. Using phage tail fibers
B. Using flagella
C. A random collision
D. Using jet-style propulsion
A. Lytic ... lysogenic
B. Lysogenic ... lytic
C. Capsid ... lysogenic
D. Lytic ... capsid
A. Exocytosis of phages across the cell wall
B. Keeping the host cell alive
C. The bacterial cell bursting open
D. Contact with another uninfected bacterium
A. Viral protein coat
B. Influenza A, B, and C
C. Viral DNA is replicated along with host DNA
D. It catalyzes the formation of DNA from an RNA template.
E. The host cell's DNA is destroyed
A. Asymptomatic infections
B. Nonparalytic polio
C. Postpolio syndrome
D. Paralytic polio
A. RNA; protein
B. Protein; RNA
C. RNA; DNA
D. DNA; RNA
A. The lytic cycle and the lysogenic cycle in all known host organisms
B. The lysogenic cycle only
C. The lytic cycle only
D. The lytic cycle in all host organisms but the lysogenic cycle only in bacteria
A. Replication.
B. Infection.
C. Translation.
D. Lysis.
E. Transcription
A. Lysogenic
B. Lytic
C. Persistent
D. Latent
A. RNA information that is copied into DNA
B. Lysogenic
C. Viral genome that has been incorporated into a bacterial cell's chromosome
D. Harmless derivatives of pathogenic viruses
A. The host cell's DNA is destroyed
B. The host cell's DNA is destroyed, and ultimately,
C. The host cell itself is destroyed in the lytic cycle.
D. The lysogenic cycle Integration of viral DNA into host DNA is an early stage of the lysogenic cycle
A. The viral protein coat surrounds its genome
B. The bacterium ruptures and phages are released
C. Viral DNA incorporated into host DNA is referred to as a
D. None of these
A. Viral DNA incorporated into host DNA is referred to as a "prophage"
B. Viral protein coat
C. The viral protein coat surrounds its genome.
D. Rupture of the bacterium
E. The bacterium ruptures and phages are released.
F. None of these
A. Restriction endonuclease
B. Capsid protein
C. Ribosomal RNA
D. Ribosomal protein
A. Viroid
B. Lysogenic
C. Capsid
D. Lytic cycle
A. Herpes viruses; lesions
B. Oncogenes; transformation
C. T antigens; lysis
D. Glycoprotein spikes; syncytia formation
A. 10
B. 100
C. 1000
D. 10,000
E. One million
A. Lipid bilayers / phospholipids
B. Protein bilayers / lipids
C. Lipid bilayers / glycoproteins
D. Glycolipid bilayers / phospholipids
A. Abnormally shaped proteins; inducing similar but normally shaped proteins in the brain to adopt the abnormal form
B. Whether its nucleic acid is DNA or RNA
C. The proteins in the host's cytoplasm
D. The proteins on its surface and that of the host
A. Reverse transcriptase
B. Double-stranded DNA
C. None of the above
D. Single-stranded DNA
A. Single-stranded RNA
B. Double-stranded DNA
C. None of the above
D. Single-stranded DNA
A. The enzymes carried by the virus
B. Whether its nucleic acid is DNA or RNA
C. The proteins in the host's cytoplasm
D. The proteins on its surface and that of the host
A. Form large aggregates that do not pass through the filter
B. Make the host cell sticky so it will bind to the filter and not pass through it
C. Bind to the filter, while cells pass through it
D. Are smaller than the pore size of the filter, so they pass through it
A. Embryonated eggs
B. Tissue culture
C. Sterile nutrient agar
D. Live animals
A. Stereo Microscope.
B. Compound Microscope.
C. Inverted Microscope.
D. Electron microscope
A. Plants
B. Animals
C. Fungi
D. Prokaryotes
A. The scientific study of biological viruses
B. The study of medicine
C. The study of cell biology
D. The study of factors which cause disease
A. Harmful bacteria
B. Allergen
C. Living cell
D. Submicroscopic infectious agent
A. Microbiology
B. Biochemistry
C. Physics
D. Genetics
A. The study of human anatomy
B. The study of genes, genetic variation and heredity in organisms
C. The study of plants and animals
D. The study of mathematical problems
A. Animals
B. Fungi
C. Bacteria
D. Plants
A. Anterior belly of the digastric
B. Posterior belly of the digastric
C. Stylohyoid
D. Sternothyroid
E. Thyrohyoid
A. Envelope -
B. Genome -
C. Mitochondria -
D. Capsid -
E. Microfilaments.
A. Glycoproteins
B. Matrix proteins
C. Lipid molecules
D. Shape
E. Nucleic acid
A. Flavivirus
B. Poxvirus
C. Herpesvirus
D. Retrovirus
E. Rhabdovirus
F. Picornovirus
A. Transposons
B. Archaea
C. Plasmids and transposons
D. Plasmids
E. Plants
F. Bacteria
A. Direct (electron microscopic) count
B. Hemagglutination
C. Plaque
D. PCR