#1
Which of the following is not a method used for viral cultivation?
Inoculation into laboratory animals
Inoculation into embryonated eggs
Inoculation into cell cultures
Inoculation into agar plates
#2
What is the purpose of viral cultivation?
To amplify viral particles
To study viral structure
To produce vaccines
All of the above
#3
Which of the following is NOT a primary purpose of viral cultivation?
To study viral morphology
To produce vaccines
To diagnose viral infections
To eliminate viruses from the environment
#4
What is the term for the appearance of clear zones in a cell monolayer caused by viral infection?
#5
Which of the following is a characteristic of viral plaques?
They are formed due to bacterial growth
They represent areas of viral lysis
They are visible under a light microscope
They are composed of bacterial colonies
#6
Which of the following is NOT a type of viral culture?
Bacteriophage culture
Tissue culture
Cell-free culture
Serum culture
#7
Which of the following is a common technique used for viral cultivation?
Western blotting
Polymerase chain reaction (PCR)
Hemagglutination assay
Plaque assay
#8
What is the purpose of plaque assay in viral cultivation?
To determine viral titer
To identify viral antigens
To study viral morphology
To purify viral particles
#9
Which of the following is a viral culture technique that involves the use of living cells?
Hemagglutination assay
Plaque assay
Cell culture
Western blotting
#10
What is the purpose of adding antibiotics or antifungal agents to viral culture media?
To promote viral replication
To prevent contamination by bacteria or fungi
To enhance cell growth
To increase viral infectivity
#11
Which of the following is a cytopathic effect caused by viral infection?
Cell lysis
Cell fusion
Cell proliferation
Cell differentiation
#12
Which of the following is NOT a type of viral culture media?
Solid media
Liquid media
Semi-solid media
Gaseous media
#13
Which of the following is a limitation of using laboratory animals for viral cultivation?
It is expensive
It is unethical
It can result in host adaptation
All of the above
#14
What is the main purpose of viral cultivation in embryonated eggs?
To study viral genetics
To produce live attenuated vaccines
To visualize viral plaques
To determine viral titer
#15
Which of the following is a factor affecting the choice of cell line for viral cultivation?
Availability
Cost
Permissiveness to virus
All of the above
#16
Which of the following is a common technique used to quantify viral particles?
ELISA
Immunofluorescence
Hemagglutination
Real-time PCR
#17
Which of the following is a disadvantage of using cell culture for viral cultivation?
It requires specialized equipment
It can be time-consuming
It cannot support the growth of all types of viruses
All of the above
#18
What is the primary purpose of performing viral isolation?
To identify the host organism
To study viral structure
To establish a pure culture of the virus
To determine viral titer