Virus Classification 9

Previous exams & Formative:

1- The viruses which known as Pneumotropic viruses are classified according to: a. Baltimore classification b. Tissue tropism c. Type and character of viral genome d. Morphology of virion

2- Nidovirales were named according to level..........of virus taxonomy of International Committee on Taxonomy of Viruses: a. Orders b. Families c. Genus d. Species

3- The virus classification which depends on their mode of replication and type of viral genome is: a. International Committee on Taxonomy of Viruses b. Baltimore classification c. Tissue tropism d. None of the above

4- AII DNA viruses are dsDNA except: a. Parvoviruses. b. Adenoviruses. c. Herpesviruses. d. Hepadnaviruses

5- All RNA viruses are ssRNA except: a. Paramyxoviruses b. Togaviruses c. Reoviruses d. Picornaviruses a. Herpesviridae b. Herpesvirinae c. Herpesvirales d. Herpesvirus

6- According to the universal system of virus taxonomy, which of the following is considered family?

Extra

1- Which of the following is a type VI virus according to the Baltimore classification?

a. Poxvirus b. Parvovirus c. Reovirus d. Retrovirus

2- All of following families contain dsDNA except: a. Polymaviridae b. Parvoviridae c. Poxviridae d. Papillomaviridae

3- According to the universal system of virus taxonomy, one of the following is considered subfamily: a. Poxviridae b. Poxvirales c. Capripoxvirus d. Chordopoxvirinae. a. Chemistry of the DNA and RNA b. The geometry of the virus c. The disease a virus causes d. How many proteins the virus has e. How many enzymes the virus has

4- What is the most important factor for virus classification?

5- The suffix "viridae" is used with which of the following: a. Genus b. Order c. Family d. Species e. Subfamily a. Species b. Order c. Family d. Subfamily e. Genus

6- The suffix "virinae" is used with which of the following?

7- The study of classification is called: a. Systematics b. Taxonomy c. Analytics d. Phylogeny a. Dermotropic b. Viscerotropic c. Neurotropic d. Pneumotropic

8- Which of the following groups affect the respiratory system?

9- In the Viscerotropic group the tissue affected: a. Subcutaneous tissues b. Gastrointestinal organs c. Cardiovascular system d. Central nervous system a. Group I b. Group II c. Group III d. Group IV

10- According to Baltimore classification, viruses having ss-DNA as their genome can be put in which group number?

11- All of the following are respiratory virus except: a. Adenovirus b. Orthovirus c. Rotavirus d. Rhinovirus

12- The Subfamily end with suffix: a. Virinae b. Viridae c. Virus d. Virion

13- Tissue tropism, host range, and mode of transmission are considered to be: a. Properties of protein b. Virus replication c. Physical & chemical properties d. Biological properties

14- All DNA viruses are double stranded except: a. Papovavirus b. Adenovirus c. Parvovirus d. Rotavirus

15- Virus classified by ICTV based on all of the following except: a. Type and character of viral genome b. Mode of transmission and pathogenesis c. The strategy of viral replication d. Morphology and structure of virion

16- Disease affects central nervous system: a. Yellow fever b. Mumps c. Measles d. Polio

17- All RNA viruses are single stranded except: a. Reovirus b. Coronavirus c. Orthovirus d. Filovirus

18- All are TRUE about enterovirus except: a. These viruses enter the host by ingestion b. E.g., Rotaviruses c. Transmitted by droplet infection d. Replicate primarily in gastrointestinal tract