Virology Quiz: RNA Viruses

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Questions and Answers

What type of RNA do the viruses mentioned in the text contain?

  • Double-stranded RNA
  • Single-stranded RNA (correct)
  • Double-stranded DNA
  • Triple-stranded RNA

Which of the following diseases is NOT mentioned in the text?

  • Mumps
  • Tuberculosis (correct)
  • Measles
  • Rabies

What is the structure of the capsid of human papillomavirus?

  • Helical
  • Icosahedral (correct)
  • Complex
  • Spiral

What is the term used to describe the viruses that cause AIDS?

<p>Retroviruses (B)</p> Signup and view all the answers

Which of the following viruses has a single-stranded DNA genome?

<p>Canine parvovirus (A)</p> Signup and view all the answers

Which of the following is NOT a type of virus mentioned in the text?

<p>Herpesviruses (B)</p> Signup and view all the answers

What is the size of the virion of herpesviruses?

<p>200 nm (D)</p> Signup and view all the answers

What is the term used to describe the viruses that cause a type of leukemia?

<p>Retroviruses (D)</p> Signup and view all the answers

Which virus family has a complex capsid shape?

<p>Poxviruses (B)</p> Signup and view all the answers

What is the length of the DNA genome of human adenovirus?

<p>36 kbp (B)</p> Signup and view all the answers

Which of the following viruses has an envelope?

<p>Herpes simplex virus (A)</p> Signup and view all the answers

What is the shape of the capsid of Picornaviruses?

<p>Icosahedral (A)</p> Signup and view all the answers

Which of the following viruses has a double-stranded RNA?

<p>Human rotavirus (B)</p> Signup and view all the answers

What is the size range of the virion of Bunyaviruses?

<p>120-250 nm (B)</p> Signup and view all the answers

Which of the following viruses has a negative sense RNA?

<p>Hantavirus (D)</p> Signup and view all the answers

What is the length of the RNA of Orthomyxoviruses?

<p>14 kb (D)</p> Signup and view all the answers

Which virus is the exception in terms of RNA viruses entering the cell nucleus?

<p>Influenza virus (A)</p> Signup and view all the answers

What enzyme is used by RNA retroviruses to make a DNA copy of the viral RNA?

<p>Reverse transcriptase (C)</p> Signup and view all the answers

What happens to the DNA copy made by RNA retroviruses?

<p>It integrates into the host genome (B)</p> Signup and view all the answers

Which of the following statements is true about most RNA viruses?

<p>They do not enter the cell nucleus (C)</p> Signup and view all the answers

The process by which RNA retroviruses create a DNA copy of their viral RNA involves:

<p>Reverse transcription using viral reverse transcriptase (D)</p> Signup and view all the answers

Which virus is known to cause upper respiratory infections?

<p>Adenovirus (C)</p> Signup and view all the answers

Approximately how many people worldwide were living with AIDS in 2015?

<p>36.7 million (B)</p> Signup and view all the answers

What was the estimated number of AIDS-related deaths in 2015?

<p>1.1 million (C)</p> Signup and view all the answers

Which region had the highest number of adults and children living with HIV in 2012?

<p>Sub-Saharan Africa (A)</p> Signup and view all the answers

Which virus is NOT mentioned in the provided content?

<p>Ebolavirus (D)</p> Signup and view all the answers

Which of the following regions had the lowest adult HIV prevalence (15-49 years) in 2012?

<p>Middle East and North Africa (A)</p> Signup and view all the answers

How many children were estimated to have died due to AIDS in 2015?

<p>210,000 (B)</p> Signup and view all the answers

What was the range of people living with HIV in South and South-East Asia in 2012?

<p>3.9 million – 4.8 million (D)</p> Signup and view all the answers

Flashcards

What type of RNA do most viruses contain?

Most viruses contain single-stranded RNA.

Which type of diseases is NOT mentioned in the text?

Tuberculosis is not mentioned in the text.

What is the structure of the capsid of human papillomavirus?

The capsid of human papillomavirus has an icosahedral structure, which is a symmetrical shape with 20 triangular faces.

What are retroviruses?

Retroviruses are a family of viruses that use reverse transcriptase to make a DNA copy of their RNA genome.

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Which virus has a single-stranded DNA genome?

Canine parvovirus has a single-stranded DNA genome.

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What is the size of the virion of herpesviruses?

The virion of herpesviruses is approximately 200 nm in size.

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What are the viruses that cause a type of leukemia?

Retroviruses are the viruses that cause a type of leukemia.

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Which virus family has a complex capsid shape?

Poxviruses have a complex capsid shape.

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What is the length of the DNA genome of human adenovirus?

The DNA genome of human adenovirus is 36 kbp long.

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Which virus has an envelope?

Herpes simplex virus has an envelope.

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What is the shape of the capsid of Picornaviruses?

The capsid of Picornaviruses is icosahedral.

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Which virus has a double-stranded RNA?

Human rotavirus has a double-stranded RNA.

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What is the size range of the virion of Bunyaviruses?

The virion of Bunyaviruses range in size from 120-250 nm.

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Which virus has a negative sense RNA?

Hantavirus has a negative sense RNA.

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What is the length of the RNA of Orthomyxoviruses?

The RNA of Orthomyxoviruses is 14 kb long.

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Which virus is the exception in terms of RNA viruses entering the cell nucleus?

Influenza virus is the exception, as it does not enter the cell nucleus.

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What is the enzyme used by RNA retroviruses to make a DNA copy of the viral RNA?

RNA retroviruses use the enzyme reverse transcriptase to make a DNA copy of their viral RNA.

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What happens to the DNA copy made by RNA retroviruses?

The DNA copy made by RNA retroviruses integrates into the host genome.

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Which statement is true about most RNA viruses?

Most RNA viruses do not enter the cell nucleus.

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What is the process involved in RNA retroviruses creating a DNA copy of their viral RNA?

The process involves reverse transcription using viral reverse transcriptase.

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Which virus is known to cause upper respiratory infections?

Adenoviruses are known to cause upper respiratory infections.

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How many people worldwide were living with AIDS in 2015?

Approximately 36.7 million people worldwide were living with AIDS in 2015.

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How many AIDS-related deaths were estimated in 2015?

1.1 million AIDS-related deaths were estimated in 2015.

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Which region had the highest number of adults and children living with HIV in 2012?

Sub-Saharan Africa had the highest number of adults and children living with HIV in 2012.

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Which region had the lowest adult HIV prevalence (15-49 years) in 2012?

The Middle East and North Africa had the lowest adult HIV prevalence (15-49 years) in 2012.

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How many children were estimated to have died due to AIDS in 2015?

210,000 children were estimated to have died due to AIDS in 2015.

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How many people were living with HIV in South and South-East Asia in 2012?

The number of people living with HIV in South and South-East Asia ranged from 3.9 million to 4.8 million in 2012.

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