VIRUSES FROM ANIMAL AND PLANTS QUIZ

Which of the following virus is transmitted by genital route?

Herpes simplex virus type 2

All of these

Papillomaviruses

Hepatitis B virus

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Influenza virus undergoes antigenic shift resulting in major antigenic changes by which of the following mechanisms?

Expression of several different capsule types

Reassortment of RNA segments from different influenza viruses

Changing the receptor binding canyon that docks with the host receptor

Somatic recombination of heavy and light chains

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The microbes which are most likely to be completely dependent on a plant or animal host are

viruses

fungi

bacteria

algae

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The penetration of animal viruses into attached cells occur by mechanisms consisting of engulfment of whole virions by the cells in a phagocytic process called

ectodesmata

vitropexis

vivopexis

viropexis

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Which of the following characteristics would not be used to classify viruses?

Presence of an envelope

Symmetry

Type of nucleic acid

Type of cell wall structure

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What can be coated to the plastic dish if an ELISA is performed to directly detect polio virus?

Colored substrate

Polio capsid protein

Patient serum

Anti-polio antibody

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The RNA sarcoma viruses, the most strongly transforming viruses may transform which of the following cells in a culture?

fibroblasts

myoblasts

iris epithelial

all of these

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The reovirus and influenza virus contain

10 different segments of dsRNA and 8 different segments of ssRNA respectively

7 different segments of dsRNA and 5different segments of ssRNA respectively

5 different segments of dsRNA and 7 different segments of ssRNA respectively

8 different segments of dsRNA and 10 different segments of ssRNA respectively

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Plant viruses penetrate host cells through transient ores called

ectodesmata

cytodesmata

protodesmata

endodesmata

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Interanuclear inclusion bodies are found in cells infected with

Adenoviruses

Parvoviruses

Herpesviruses

all of these

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