Quiz on Cultivation of Viruses

What are viruses classified as?

• Multicellular organisms

• Obligate intracellular parasites

• Unicellular microorganisms

• Prokaryotic cells

Which method is NOT used for the cultivation of viruses?

• Inoculation of virus into animals

• Inoculation of virus into embryonated eggs

• Tissue culture

• Inoculation of virus into plants

What is the primary purpose of viral cultivation?

• To study bacterial growth

• To isolate and identify viruses in clinical specimens

• To create new viruses

• To destroy viruses

Which type of cells do human viruses grow best in?

• Bovine cells

• Avian cells

• Canine cells

• Human cells

What is the role of embryonated eggs in viral cultivation?

• They are only used for bacterial cultures

• They are not suitable for any viral growth

• They are used for the primary isolation and identification of viruses

• They provide a sterile environment for bacterial growth

Which of the following is a method of inoculation in mice?

• Transdermal

• Intranasal

• Intradermal

• Intravenous

What is the purpose of candling an egg?

• To determine the egg's nutritional value

• To check for bacterial contamination

• To observe the embryo's development

• To measure the egg's weight

Which part of the embryonated egg is responsible for gas exchange?

• Yolk sac

• Chorioallantoic membrane

• Shell membrane

• Amnion

What is the main advantage of using embryonated eggs for viral propagation?

• They are more expensive

• They provide a complex environment

• They have a self-supporting unit with sterile conditions

• They require more labor to maintain

What is the term for the process of separating viruses based on size?

• Density gradient centrifugation

• Differential centrifugation

• Precipitation

• Enzymatic digestion