Classification of viruses

Question 1

Criteria for classifying virus

Answer 1

1. Virus genome properties
2. Virion morphology
3. Physico-chemical properties
   Others
   Host
   Pathogenicity
   Ecological criteria

Question 2

Match virus order, family, subfamily, genus in taxonomy

Answer 2

Order- VIRALE
Family- VIRIDAE
Subfamily- VIRIAE
Genus, Species- VIRUS

Question 3

How many DNA families in humans

Answer 3

7

Question 4

How many RNA families in humans

Answer 4

14

Question 5

List the DNA viruses

Answer 5

Parvoviridae
Polyomaviruses
Papillomaviridae
Adenoviridae
Hepadnaviridae
Herpesviridae
Poxviridae

Question 6

The only single stranded DNA virus

Answer 6

Parvoviridae

Question 7

The DNA virus with the smallest genome size

Answer 7

Hepadnavirus (3.2 kbp)

Question 8

Examples of Herpesviridae

Answer 8

Varicella-Zoster virus
Human Cytomegalovirus

Question 9

Examples of Polyomaviruses

Answer 9

JC virus, BK virus

Question 10

The DNA virus with the largest genome size

Answer 10

Poxviridae (130-375 kbp)

Question 11

Example of Hepadnavirus

Answer 11

HBV

Question 12

5 genus of Herpesviridae

Answer 12

Simplex virus
Varicello virus
Cytomegalovirus
Roseolovirus
Lymphocrypto virus

Question 13

Genus of Papovaviridae (2)

Answer 13

Papilloma
Polyoma

Question 14

Genus of Parvoviridae (3)

Answer 14

Parvovirus
Erythrovirus
Dependovirus

Question 15

Genus of Poxviridae (4)

Answer 15

Orthopox
Suispox
Avipox
Mollusci pox

Question 16

Genus of Astroviridae

Answer 16

Astrovirus

Question 17

Genus of Bunyaviridae

Answer 17

Bunyavirus
Nairovirus
Hantavirus
Phlebovirus

Question 18

Genus of Caliciviridae

Answer 18

Norwalk
Hep E

Question 19

Genus of Coronaviridae

Answer 19

Coronavirus
SARS virus

Question 20

Genus of Filoviridae

Answer 20

Ebola
Marburg

Question 21

Genus of Flaviviridae

Answer 21

Yellow fever virus
Dengue
W. Nile
HCV

Question 22

Genus of orthomyxoviridae

Answer 22

Influenza A,B,C

Question 23

Genus of Paramyxoviridae

Answer 23

Parainfluenza
Human metapneumovirus
Mumps

Question 24

Genus of Picornaviridae

Answer 24

Enterovirus
Hepatovirus
Rhinovirus

Question 25

Genus of Reoviridae

Answer 25

Rotavirus

Question 26

Genus of Retroviridae

Answer 26

Lentivirus (HIV)

Question 27

Genus of Rhabdoviridae

Answer 27

Rabies virus Lyssa virus Vessiculovirus

Question 28

Genus of Togaviridae

Answer 28

Alpha virus (Chikungunya) Rubi virus (Rubella virus)