Viruses

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Viruses

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Question 1 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
What kind of embryo is often used for viral assays?
A
Mouse
B
Rat
C
Cat
D
Chicken
Question 2 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Enveloped viruses have a ..... shape.
A
icosahedral
B
helical
C
roughly spherical
D
complex
Question 3 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Which of the following viruses belong to family Flaviviridae?
A
Rubella virus
B
Yellow fever virus
C
Hepatitis C virus
D
All of these
Question 4 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
The infected cells continue to reproduce themselves as well as the virus, and the mature virions are extruded from the cell surface continuously over a long period of time. This type of release mechanism is called a
A
productive infection
B
inductive infection
C
resultant infection
D
all of these
Question 5 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
The lysogenic state is governed by the activity of the regulatory region of the lambda phage genomes; this region is termed as
A
immunity repressor
B
immunity operon
C
operon repressor
D
none of these
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