2.1 Virus Quiz

What is the size range of viruses?

• 1-10 nanometers

• 17-300 nanometers

• 500-1000 nanometers

• 1-5 micrometers

What type of microscope is used to produce magnified images of viruses?

• Light microscope

• Compound microscope

• Electron microscope

• Fluorescence microscope

What is the genetic material that viruses need to reproduce?

• Proteins

• Lipids

• Carbohydrates

• RNA or DNA

Which of the following shapes can viruses have?

• Sphere, rod, spiral, or thread shaped

• Cube, pyramid, sphere, or rod shaped

• Spiral, cube, thread, or pyramid shaped

• Rod, cube, sphere, or spiral shaped

Which of the following is NOT a way that viruses spread?

• Droplets from sneezing and coughing

• Food or drink

• Direct contact with uninfected blood

• Bugs like mosquitoes

What do vaccines contain to help the body produce necessary antibodies?

• Live viruses

• Weakened or dead viruses

• Bacteria

• Fungi

What do antigens trigger in the body?

• Memory cells

• Antibodies

• Bacteria

• Viruses

A virus is

• a chain of RNA and DNA

• a cell encased in protein

• a cell without a nucleus

• nucleic acid encased in protein

Viruses can reproduce

• in water

• in food

• in living things

• in all of these

A virus that hides in its host's DNA is called

• a retrovirus

• a bacteriophage

• TMV

• an infection