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Virology MCQs Questions with Correct Answers
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Virology MCQs Questions with Correct Answers
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Virology MCQs Questions with Correct AnswersWhat are viruses made of?
a. DNA/RNA (either single stranded or double stranded)
b. DNA
c. RNA
d. Proteins
e. All of the above and some are hybrids Correct Answer-a. DNA/RNA
(either single stranded or double stranded)
Viral genome sizes are in which range:
a. 4 bases
b. 1000- 1 million
c. 2000- 1 million
d. 2 million Correct Answer-c. 2000- 1 million
For viruses to enter a cell they first need to stick to it. Is this:
Select one:
a. true
b. false Correct Answer-a. true
,Viruses can get into cells by:
Select one:
a. Receptor-mediated endocytosis
b. Membrane fusion
c. Direct injection of viral genomes, as seen in bacteriophages
d. all of the above Correct Answer-d. all of the above
Ebola virus, which carries high individual and community risk, is
classified as:
Select one:
a. risk group 1
b. risk group 2
c. risk group 3
d. risk group 4 Correct Answer-d. risk group 4
Viral entry by membrane fusion typically involves:
Select one:
,a. Clathrin-coated pits
b. interactions between viral glycoproteins and molecules on the cell
surface.
c. The virion exporting "entrosomes", packages of molecules that cause
pores to appear on cells
d. No-one has any idea how this happen Correct Answer-b. interactions
between viral glycoproteins and molecules on the cell surface.
a single virus particle is called a:
Select one:
a. virome
b. nucleocapsid
c. virus
d. virion Correct Answer-d. virion
Phages typically infect bacteria by:
Select one:
a. membrane fusion
b. clathrin-mediated endocytosis
c. receptor-mediated endocytosis
d. genome injection Correct Answer-d. genome injection
, On which of the following do viruses not encode genetic information?
Select one:
a. circular double stranded DNA
b. linear double stranded DNA
c. RNA/DNA hybrids
d. circular single stranded RNA molecules.
e. hybrids of linear and circular DNA molecules Correct Answer-c.
RNA/DNA hybrids
The term "filterable" as applied to viruses refers to:
Select one:
a. The ability of naked tobacco mosaic virus to infect plants via their
leaves
b. The inability of virus solutions to retain infectivity after being pushed
through a filter with very fine pore size
c. The retention of infectivity of water-born bacteria, even after the
water was filtered
d. The retention of infectivity by virus-containing liquid after being
pushed through a filter with very fine pore size Correct Answer-d. The
retention of infectivity by virus-containing liquid after being pushed
through a filter with very fine pore size
Which best describes how a virus such as herpes simplex enters a cell?
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