VIRUSES FROM ANIMAL AND PLANTS QUIZ

Mumps vaccine is prepared from the cultures of

healthy calves

chick fibroblasts

sheep

African green monkey cells

TRUE ANSWER : ?
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The nucleocapsid is covered by an outer membrane like structure called

envelope

membronocapsid

covering

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which type of interferon is produced by T lymphocytes?

γ

α

γ and β

β

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West Nile virus can cause a disease in human beings that may be transmitted from an infected bird to a person by a mosquito. This is an example of

arthropod borne disease

fomite borne disease

endogenous infection

nosocomial infection

TRUE ANSWER : ?
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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

Somatic recombination of heavy and light chains

Changing the receptor binding canyon that docks with the host receptor

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Which of the following virus is transmitted by the respiratory route?

All of these

Measles virus

Coronavirus

Rhinovirus

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The predominant lipid substance found in the viral envelope is

all of these

phospholipids

neutral fat

glycolipids

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What is the function of positive strand in double stranded RNA viruses?

Production of ribosomes

None of these

Synthesis of protein

Both (a) and (b)

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

Anti-polio antibody

Polio capsid protein

Colored substrate

Patient serum

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Plant viruses penetrate host cells through transient ores called

ectodesmata

cytodesmata

endodesmata

protodesmata

TRUE ANSWER : ?
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