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The Viral World

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Questions and Answers

Which type of organism can viruses infect?

Only plants

All life forms (correct)

Only microorganisms

Only animals

What is the most numerous type of biological entity on Earth?

Viruses (correct)

Archaea

Microorganisms

Bacteria

Which scientist discovered the tobacco mosaic virus?

Louis Pasteur

Robert Koch

Martinus Beijerinck (correct)

Dmitri Ivanovsky

What is the study of viruses known as?

Virology Signup and view all the answers

What do viruses consist of when they are not inside an infected cell?

Genetic material Signup and view all the answers

Which of the following is a subgroup of retrovirus that infects humans?

Lentivirus Signup and view all the answers

How does HIV primarily transmit from one person to another?

Through sexual contact Signup and view all the answers

What condition does HIV cause over time?

Acquired immunodeficiency syndrome (AIDS) Signup and view all the answers

How long is the average survival time after HIV infection without treatment?

9 to 11 years Signup and view all the answers

In addition to sexual transmission, how else can HIV be transmitted from an infected mother to her infant?

Through breastfeeding Signup and view all the answers