BIOD 171 MODULE 6 ESSENTIAL
MICROBIOLOGY CERTIFICATION TEST
PAPER COMPLETE QUESTIONS AND
CORRECT ANSWERS FULL SOLUTION
GUIDE
●● True or False. Although viruses may contain their genome within an
enclosed space (much like the nucleus of a cell), it is considered neither
eukaryotic nor prokaryotic.
Answer: True
●● Describe the two basic components of a virus.
Answer: A virus has genomic material made up of either DNA or RNA
and a capsid which is a protective structure that contains genetic material
●● True or False. You would expect to see a viral envelope on a virus
infecting a bacterial cell.
Answer: False
The overwhelming majority of animal viruses are enveloped whereas the
majority of plant or bacteria-infecting viruses are not.
●● The envelope surrounds the _________ of some viruses.
, Answer: Capsid
●● The ________ surrounds the capsid of some viruses.
Answer: envelope
●● Rank the following viruses based on their size from largest to
smallest:
Paramyxovirus
Poliovirus
Smallpox virus
Answer: Smallpox, Paramyxovirus, Poliovirus
●● Rank the following viruses based on their size from largest to
smallest:
Orthomyxovirus
Poliovirus
Variolavirus
Answer: Variolavirus
Orthomyxovirus
Poliovirus
●● True or False: Highly infectious viruses undergo genome replication
prior to viral attachment and entry.
MICROBIOLOGY CERTIFICATION TEST
PAPER COMPLETE QUESTIONS AND
CORRECT ANSWERS FULL SOLUTION
GUIDE
●● True or False. Although viruses may contain their genome within an
enclosed space (much like the nucleus of a cell), it is considered neither
eukaryotic nor prokaryotic.
Answer: True
●● Describe the two basic components of a virus.
Answer: A virus has genomic material made up of either DNA or RNA
and a capsid which is a protective structure that contains genetic material
●● True or False. You would expect to see a viral envelope on a virus
infecting a bacterial cell.
Answer: False
The overwhelming majority of animal viruses are enveloped whereas the
majority of plant or bacteria-infecting viruses are not.
●● The envelope surrounds the _________ of some viruses.
, Answer: Capsid
●● The ________ surrounds the capsid of some viruses.
Answer: envelope
●● Rank the following viruses based on their size from largest to
smallest:
Paramyxovirus
Poliovirus
Smallpox virus
Answer: Smallpox, Paramyxovirus, Poliovirus
●● Rank the following viruses based on their size from largest to
smallest:
Orthomyxovirus
Poliovirus
Variolavirus
Answer: Variolavirus
Orthomyxovirus
Poliovirus
●● True or False: Highly infectious viruses undergo genome replication
prior to viral attachment and entry.
