Virus Shapes and Structures
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Questions and Answers

What is the characteristic feature of filamentous viruses?

  • They are icosahedral in shape
  • They have a lipid covering
  • They are elongated (correct)
  • They are pathogenic to bacteria
  • What is the shape of icosahedral viruses?

  • Elongated
  • Triangular with 20 faces (correct)
  • Cylindrical
  • Spherical
  • Which of the following viruses is non-enveloped?

  • HIV
  • COVID-19
  • Hepatitis B
  • Rhinovirus (correct)
  • What is the function of the lipid covering in enveloped viruses?

    <p>To protect the virus from environmental stress</p> Signup and view all the answers

    Which of the following viruses is an example of a head and tail virus?

    <p>Bacteriophage virus</p> Signup and view all the answers

    What is the common feature among bacteriophage, phytophage, and zoophage viruses?

    <p>They are classified based on their host</p> Signup and view all the answers

    Which of the following viruses is an example of a filamentous virus?

    <p>Tobacco mosaic virus</p> Signup and view all the answers

    What is the characteristic of non-enveloped viruses?

    <p>They are more resistant to environmental stress</p> Signup and view all the answers

    What is the genome type of tobacco mosaic virus?

    <p>RNA</p> Signup and view all the answers

    Which of the following viruses causes warts?

    <p>Papovavirus</p> Signup and view all the answers

    What is the shape of the capsid of an icosahedral virus?

    <p>Triangular with 20 faces</p> Signup and view all the answers

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