Intro To Virology

Question 1

Who discovered and coined the term “virus”?

Answer 1

Martinus Beijerink

Question 2

“Virus” is the latin word for _____

Answer 2

Poison

Question 3

Virus size ranges from _____ to _____

Answer 3

20 to 400 nm

Question 4

The complete virus particle is termed as ______

Answer 4

Virion

Question 5

Virus envelopes are made out of what?

Answer 5

Protein capsid and lipoproteins

Question 6

Parts of a virion (from outer to inner)

Answer 6

Envelope
Capsid
Capsomere
Nucleic acid core

Question 7

The nucleic acid core of a virion is composed of what?

Answer 7

Either DNA or RNA

Question 8

What is the protein shell that encloses the nucleic acid genome?

Answer 8

Capsid

Question 9

Protein that is present in a viral envelope

Answer 9

E protein

Question 10

Glycoproteins that are exposed on the surface of the viral envelope

Answer 10

S glycoproteins

Question 11

Protein present on the nucleocaspid

Answer 11

N protein

Question 12

A viral matrix/membrane protein called viral tegument in rhabdoviruses

Answer 12

M protein

Question 13

The organization responsible for virus taxonomy

Answer 13

International Committee on Taxonomy of Viruses

Question 14

What are the classifications of viruses according to the Baltimore Classification?

dsDNA viruses

Answer 14

Class 1

Question 15

What are the classifications of viruses according to the Baltimore Classification

-ssRNA viruses

Answer 15

Class 5

Question 16

What are the classifications of viruses according to the Baltimore Classification

dsRNA viruses

Answer 16

Class 3

Question 17

dsDNA viruses depends on _____ to synthesize new DNA strands for multiplication

Answer 17

DNA polymerase

Question 18

dsDNA viruses integrates itself into the host cell with the help of what enzyme?

Answer 18

Integrase

Question 19

Positive sense ssRNA’s genetic material

Answer 19

Viral mRNA

Question 20

What is the genetic material that the negative sense ssRNA uses?

Answer 20

Antisense strand of the viral mRNA

Question 21

All DNA viruses are double stranded except _____

Answer 21

Parvoviruses

Question 22

All DNA viruses are icosahedral except _____

Answer 22

Poxviruses

Question 23

Most DNA viruses are naked except:

Answer 23

Herpesvirus
Hepatitis B virus
Poxvirus

Question 24

All RNA viruses replicates in the cytoplasm except:

Answer 24

Orthomyxoviruses
Retroviruses

Question 25

All -ssRNA viruses are _____

Answer 25

Helical

Question 26

All +ssRNA are ______ except:

Answer 26

Icosahedral

Coronaviruses, arteriviruses

Question 27

Most RNA viruses are ____ except:

Answer 27

Enveloped

Calicivirus, hepevirus, astrovirus, picornavirus, reovirus, & picobirnavirus

Question 28

Naked or enveloped:

Viruses that are ether resistant

Answer 28

Naked

Question 29

Naked or enveloped:

Must stay wet

Answer 29

Enveloped

Question 30

Naked or enveloped:

Astroviridae

Answer 30

Naked

Question 31

Naked or enveloped:

Hepeviridae

Answer 31

Naked

Question 32

Naked or enveloped:
Reoviridae

Answer 32

Naked

Question 33

Naked or enveloped:

Flaviviridae

Answer 33

Enveloped

Question 34

Naked or enveloped:

Coronaviridae

Answer 34

Enveloped

Question 35

Naked or enveloped:

Rhabdoviridae

Answer 35

Enveloped

Question 36

Naked or enveloped:

Parvoviridae

Answer 36

Naked

Question 37

Naked or enveloped:

Papillomaviridae

Question 38

Naked or enveloped:

Herpesviridae

Answer 38

Enveloped

Question 39

Naked or enveloped:

Hepadnaviridae

Answer 39

Enveloped

Question 40

Naked or enveloped:

Anelloviridae

Answer 40

Naked

Question 41

A virus-like agent that only has a single molecule of circular RNA, and only affects plants

Answer 41

Viroids

Question 42

7 human oncoviruses

Answer 42

Human papillomavirus
Epstein-barr virus
Hepatitis B virus
Human herpesvirus 8
Merkel csll polyomavirus
Human T-cell lymphotropic virus
Hepatitis C virus