Viruses From Animal and Plants MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Viruses From Animal and Plants, a fundamental topic in the field of Microbiology. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Viruses From Animal and Plants MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Viruses From Animal and Plants mcq questions that explore various aspects of Viruses From Animal and Plants problems. Each MCQ is crafted to challenge your understanding of Viruses From Animal and Plants principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Microbiology tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Viruses From Animal and Plants MCQs are your pathway to success in mastering this essential Microbiology topic.

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Viruses From Animal and Plants MCQs | Page 1 of 12

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Q1.
Animal viruses with capsids displaying helical symmetry include

a.

measles and mumps

b.

influenza

c.

rabies

d.

all of these

Discuss
Answer: (d).all of these
Q2.
Icosahedral viruses are generally

a.

polio viruses

b.

adeno viruses

c.

both (a) and (b)

d.

none of these

Discuss
Answer: (c).both (a) and (b)
Q3.
Negative strand ssRNA viruses need to have a preformed replicase when they invade a mammalian cell because they

a.

use it to terminate transcripts when they copy host cell mRNA

b.

have to make a positive strand copy that can be translated

c.

use it to modify host enzymes that are recruited for viral replication

d.

none of the above

Discuss
Answer: (b).have to make a positive strand copy that can be translated
Q4.
Which of the following reflects the correct order of events that take place during the multiplication of a virus?

a.

Attachment, penetration, maturation, biosynthesis, release

b.

Penetration, attachment, biosynthesis, maturation, release

c.

Attachment, penetration, biosynthesis, maturation, release

d.

Attachment, release, biosynthesis, maturation, penetration

Discuss
Answer: (c).Attachment, penetration, biosynthesis, maturation, release
Q5.
What can be coated to the plastic dish if an ELISA is performed to directly detect polio virus?

a.

Patient serum

b.

Anti-polio antibody

c.

Polio capsid protein

d.

Colored substrate

Discuss
Answer: (b).Anti-polio antibody
Q6.
Influenza virus undergoes antigenic shift resulting in major antigenic changes by which of the following mechanisms?

a.

Somatic recombination of heavy and light chains

b.

Expression of several different capsule types

c.

Changing the receptor binding canyon that docks with the host receptor

d.

Reassortment of RNA segments from different influenza viruses

Discuss
Answer: (d).Reassortment of RNA segments from different influenza viruses
Q7.
The nucleocapsid is covered by an outer membrane like structure called

a.

envelope

b.

covering

c.

membronocapsid

d.

all of these

Discuss
Answer: (a).envelope
Q8.
Which type of interferon is produced by virus-infected cells?

a.

α

b.

β

c.

Both (a) and (b)

d.

None of these

Discuss
Answer: (c).Both (a) and (b)
Q9.
Fluorescence microscopy can be used for the diagnosis of

a.

Subacute sclerosing panencephalitis

b.

Herpes simplex encephalitis

c.

Rabies

d.

All of these

Discuss
Answer: (d).All of these
Q10.
Viral matrix proteins are

a.

exposed on the surface of the virus

b.

found mainly on naked viruses

c.

anchor the envelope of enveloped viruses

d.

part of the nucleoprotein core of viruses

Discuss
Answer: (c).anchor the envelope of enveloped viruses
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