Viruses MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Viruses, 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 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 mcq questions that explore various aspects of Viruses problems. Each MCQ is crafted to challenge your understanding of Viruses 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 MCQs are your pathway to success in mastering this essential Microbiology topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Viruses. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Viruses knowledge to the test? Let's get started with our carefully curated MCQs!

Viruses MCQs | Page 16 of 33

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Q151.
The viral DNA of the temperate phage, instead of taking over the functions of the cell's genes, is incorporated into the host DNA and becomes a prophage in the bacterial chromosome, acting as a gene. This happens in
Discuss
Answer: (a).lysogeny
Discuss
Answer: (a).Viruses have been successfully grown in pure cultures in test tubes
Q153.
When capsomeres are arranged in 20 triangles, resulting structure is called as
Discuss
Answer: (b).Icosahedral
Q154.
Creutzfeldt-Jakob disease, a human disease caused by
Discuss
Answer: (c).Prion
Q155.
All helical viruses are enclosed in 'nucleocapsid' known as
Discuss
Answer: (c).Envelop
Q156.
Size range of 'virus' is
Discuss
Answer: (a).20-300 nm
Q157.
'Viroid' cause diseases rarely in humans, but , mostly in
Discuss
Answer: (a).Plants
Q158.
Viruses that contain host cell 'DNA' instead of viral 'DNA' is known as
Discuss
Answer: (d).Pseudoviruses
Q159.
Viruses that are defective, having proteins and nucleic acid, but, cannot replicate without
Discuss
Answer: (d).Helper virus
Q160.
How do viruses spread from one plant cell to next?
Discuss
Answer: (b).plasmodesmata