General virology 2

Question 1

Epidemiological classification takes

Answer 1

Host affected
Type of lesions
Mode of transmission

Question 2

Arthropod transmitted by

Answer 2

Toga flavi reo

Rhabdo

Question 3

Modern classification

Answer 3

Type of nucleic acid
Strandedness
Symmetry
No of capsomers
Presence or absence of envelope

Question 4

Highest taxon in virus classification

Answer 4

Order: virales
Family:viridae
Subfamily: virinae
Genus: virus

Question 5

Baltimore classification

Answer 5

Type of nucleic acid

Method of mRna synthesis

Question 6

Virus living system are

Answer 6

Experimental animals
Embryonated chicken egg
Cell culture

Question 7

Concentration methods of viruses

Answer 7

Centrifugation
Freeze drying
Chromatography
Salting out of ammonium sulphate

Question 8

Purification methods

Answer 8

Physical methods
Differential filtration
Differential  centrifugation
Isoelectric point precipitation
Zone electrophoresis

Question 9

Differential centrifugatio n

Answer 9

Most used
Cellular debris
Supernatant to pellet the virus

Question 10

Pellet purified by

Answer 10

Rate zonal centrifugation

Equilibrium density gradient centrifugation

Question 11

Chemical methods of purification

Answer 11

Genetrov

Geneslov

Question 12

Chicken egg used for

Answer 12

Poxvirus
Orthomyxo
Paramyxo

Question 13

Duck embryo for

Answer 13

Duck plague

EDS virua

Question 14

Turkey egg for

Pheasants egg for

Answer 14

Haemorrhagic enteritis

Marble spleen disease