Introduction To Viruses: Function And Structure! Trivia Quiz

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Introduction To Viruses: Function And Structure! Trivia Quiz - Quiz

This trivia quiz is on Introduction to Viruses: Function and Structure! Viruses are agents that grow only when they are inside a living organism. Did you know that the first virus to be discovered by scientists was the yellow fever virus? Take this interesting quiz and get to review how much you remember the basics when it comes to viruses.


Questions and Answers
  • 1. 

    A virus is constructed to two components which are genome and _____________?

    Explanation
    A virus is composed of two main components, its genome and proteins. The genome contains the genetic material of the virus, which can be either DNA or RNA. The proteins, on the other hand, play various roles in the virus's life cycle, such as facilitating entry into host cells, replicating the viral genome, and assembling new viral particles. Therefore, protein is the correct answer to complete the given statement.

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  • 2. 

    A nonenvelop virus contains a protein lipid bilayer?

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Envelop virus does not a nonenvelop

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  • 3. 

    Viruses that infect only bacteria are called?

    Correct Answer
    bacteriophages
    Explanation
    Bacteriophages are viruses that specifically infect bacteria. They are composed of a protein coat that encapsulates their genetic material. Bacteriophages attach to the surface of bacteria and inject their genetic material into the host cell. Once inside, the phage takes control of the bacterial machinery to replicate its own genetic material and produce more phages. Eventually, the host cell is destroyed, releasing new phages to infect other bacteria. Bacteriophages have been extensively studied and have shown potential in various applications, such as bacterial control in medical and industrial settings.

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  • 4. 

    Viruses that infect only fungi are called?

    Correct Answer
    mycophages
    Explanation
    Mycophages are viruses that specifically infect fungi. The term "myco" refers to fungi, while "phages" means to eat or devour. Therefore, mycophages are viruses that "devour" or infect fungi. This term is used to distinguish these viruses from other types of viruses that infect different organisms.

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  • 5. 

    Viruses contain cytoplasm or cellulare organelles?

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    NO. They are acellular. They carry out no metabolism on their own and must replicate using the host's cell metabolic machinery. They possess DNA or RNA but never both.

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  • 6. 

    An intact infectious virus particle is called a?

    Correct Answer
    virion
    Explanation
    A complete and infectious virus particle is referred to as a "virion." A virion consists of the virus's genetic material, either DNA or RNA, enclosed within a protein coat called a capsid. It is the fully formed and functional form of a virus that is capable of infecting host cells and replicating itself. The term "virion" is often used to distinguish the complete infectious particle from other forms of the virus, such as viral components or particles that are not capable of causing infection on their own.

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  • 7. 

    The single protein subunits that form a viral capsid is called?

    Correct Answer
    capsomeres
    Explanation
    Capsomeres are the individual protein subunits that come together to form the viral capsid. The capsid is the outer protein coat of a virus that protects the genetic material inside. Each capsomere is made up of multiple protein molecules that assemble in a precise pattern to create the overall structure of the capsid. These capsomeres can vary in size and shape depending on the type of virus. Understanding the composition and arrangement of capsomeres is important in studying the structure and function of viruses.

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  • 8. 

    Enveloped viruses get their envelopes from hot cell membranes by budding?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Enveloped viruses acquire their envelopes by budding from the host cell membranes. During the budding process, the newly formed virus particles push through the host cell membrane, obtaining a portion of it as their envelope. This envelope is derived from the host cell's lipid bilayer, which surrounds and protects the viral genetic material. Therefore, it is correct to say that enveloped viruses get their envelopes from host cell membranes through the budding mechanism.

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  • 9. 

    Viruses contain both DNA and RNA?

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Never both. Either one or the other. they are totally depended on a host.

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  • 10. 

    Viruses cannont be grown in synthetic culture media?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Animal viruses are normally grown in animals, embryo, or in cell cultures.

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  • 11. 

    The virus called variola virus causes a very serious illness called? Hint* Jenner created a vaccine for this disease.....

    Correct Answer
    smallpox
    Explanation
    DNA type virus. It eradicated in 1979 and to this day is the only human infectious disease to have been completely eradicated from nature.

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  • 12. 

    The official certification of smallpox eradicated on _________ 2 years after the last case in Somalia?

    • A.

      December 7 1979

    • B.

      December 8 1979

    • C.

      December 9 1979

    • D.

      December 10 1979

    Correct Answer
    C. December 9 1979
    Explanation
    In 1980 all countries ceased routine vaccination

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  • 13. 

    Infectious mononucleosis is the most common medical condition associated with ______ ? (abbreviated)

    Correct Answer
    EBV
    Explanation
    Infectious mononucleosis is commonly associated with EBV, which stands for Epstein-Barr virus. EBV is a member of the herpes virus family and is known to cause infectious mononucleosis, also known as mono or glandular fever. This viral infection is characterized by symptoms such as fatigue, fever, sore throat, swollen lymph nodes, and enlarged spleen. EBV is transmitted through saliva, and it is most commonly seen in teenagers and young adults.

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  • 14. 

    EBV is commonly associated with

    • A.

      Inflamed throat (pharyngitis)

    • B.

      Fever

    • C.

      Enlarged, tender lymph nodes

    • D.

      Extreme fatigue

    • E.

      All of the above

    Correct Answer
    E. All of the above
    Explanation
    EBV, or Epstein-Barr virus, is commonly associated with symptoms such as inflamed throat (pharyngitis), fever, enlarged and tender lymph nodes, and extreme fatigue. These symptoms are often seen in individuals who have contracted EBV, making the statement "all of the above" the correct answer.

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  • 15. 

    Burkitt's Lymphoma is a tumor that is the most common childhood malignancy in equatorial ______? characteristically located in the jaw.

    Correct Answer
    Africa
    Explanation
    Burkitt's Lymphoma is a tumor that is most commonly found in equatorial Africa and is the most common childhood malignancy in that region. It is known for its characteristic location in the jaw.

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  • 16. 

    What percentage of people with Hepatitis B eventually develop cirrhosis.

    • A.

      1-5%

    • B.

      10-15%

    • C.

      20-35%

    • D.

      50-65%

    Correct Answer
    C. 20-35%
    Explanation
    Approximately 20-35% of people with Hepatitis B eventually develop cirrhosis. This means that a significant proportion of individuals with Hepatitis B will experience scarring of the liver, which can lead to liver failure and other complications. It is important to note that not all individuals with Hepatitis B will develop cirrhosis, but this percentage represents the likelihood of it occurring in those affected by the virus.

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  • 17. 

    Mumps is transmitted through airborne droplets from the coughs and sneezes of infected people?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Mumps is indeed transmitted through airborne droplets from the coughs and sneezes of infected people. When an infected person coughs or sneezes, tiny droplets containing the mumps virus are released into the air. These droplets can then be inhaled by others nearby, leading to the spread of the virus. Therefore, it is important to take precautions such as covering the mouth and nose when coughing or sneezing, and practicing good hygiene to prevent the transmission of mumps.

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  • 18. 

    ______________ is caused by a contagious virus (paramyoxvirus)

    Correct Answer
    Mumps
    Explanation
    Mumps is caused by a contagious virus known as paramyxovirus. This viral infection primarily affects the salivary glands, leading to swelling and inflammation. It is transmitted through respiratory droplets from an infected person, making it highly contagious. Mumps can cause symptoms such as fever, headache, muscle aches, and swollen glands. Vaccination is available to prevent mumps, and the MMR (measles, mumps, and rubella) vaccine is commonly administered to protect against this viral infection.

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  • 19. 

    _________ is swollen, painful testicles?

    Correct Answer
    Orchitis
    Explanation
    This is a complication of mumps. Sterility is rare unless both testicles are involved. Meningitis/encephalitis, pancreatitis, and deafness are also complications

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  • 20. 

    _______ is inflammation of the ovaries?

    Correct Answer
    oophoritis
    Explanation
    complication of mumps

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  • 21. 

    There are one million deaths every year from measles?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Measles is a highly contagious viral infection that can lead to severe complications and even death, especially in young children and those with weakened immune systems. According to the World Health Organization (WHO), there were an estimated 207,500 deaths globally from measles in 2019. This number may vary from year to year, but it is clear that measles continues to cause a significant number of deaths worldwide. Therefore, the statement that there are one million deaths every year from measles is true.

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  • 22. 

    The first signs of measles infection are ?

    • A.

      Fever

    • B.

      Extremely runny nose

    • C.

      Red runny eyes

    • D.

      Cough

    • E.

      Diahhrea

    Correct Answer(s)
    A. Fever
    B. Extremely runny nose
    C. Red runny eyes
    D. Cough
    Explanation
    The first signs of measles infection include fever, an extremely runny nose, red runny eyes, and a cough. Measles is a highly contagious viral infection that primarily affects the respiratory system. The initial symptoms usually appear about 10-12 days after exposure to the virus and can be similar to those of a common cold or flu. However, the characteristic combination of fever, runny nose, red eyes, and cough can help differentiate measles from other respiratory illnesses. It is important to note that diarrhea is not typically associated with measles infection.

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  • 23. 

    In a measles infection, a rash appears in the mouth. This rash consists of tiny white does on a reddish bump. They are called?

    Correct Answer(s)
    Koplik's spots
    Explanation
    Koplik's spots are small white spots that appear in the mouth during a measles infection. They are typically found on a red bump and are a characteristic sign of measles. These spots are caused by the virus replicating in the cells of the mouth and are an important diagnostic feature for identifying measles.

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  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 20, 2011
    Quiz Created by
    Ragrappin
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