Viruses Quiz Questions

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1. What are viruses made of?

A Genetic materials like DNA B Bacteria C Mutated blood cells D Fat molecules

2. What is the outside protective coating of a virus made of?

A Protein B Carbon C Lipids D Carbohydrates

3. What reason do scientists give for saying that viruses are not living organisms?

A They do not have organized cells B All of the above C They cannot reproduce without the aid of a host D They do not metabolize food into energy

4. Which of the following is a characteristic of viruses?

A They typically have one or two strands of DNA or RNA B They have a cell nucleus C They have an organized cell structure D They are active when outside a living cell

5. What do viruses do once they invade a living cell of a host?

A All of the above B They are metabolized into sugar C They die D They multiply

6. Which of the following is a disease caused by a virus?

A The common cold B All of the Above C Measles D Influenza

7. Which of the following is NOT a way to avoid catching a virus?

A Eat raw meat B Wash your hands C Don't put your fingers in your mouth D Take vitamins

8. What is the main human defense against viruses?

A Medicine B Tylenol C Pills D Immune system

9. True or False: Most viruses are so small that they can't be seen with an optical microscope.

A FALSE B TRUE

10. What are viruses that contain RNA instead of DNA sometimes called?

A Retroviruses B Proteins C Capsids D Vaccines

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