Biology Viruses and Bacteria

Viruses replicate only inside of the...

• Living organisms

• food

• Non-living organisms

• cell

Which kind of micro-organism turns milk into yogurt?

• Bacteria

• Phytoplankton

• Algae

Most microorganisms cannot be seen without a...

• microscope

• magnifying lens

• telescope

• x-ray machine

Viruses are considered to be nonliving because they 

• cannot multiply

• use energy to grow 

• are smaller than bacteria

• do not show all the characteristics

Which BEST compares bacteria and viruses?

• bacteria are smaller than viruses

• bacteria cause disease, but viruses do not

• bacteria are living organisms, but viruses are not

• bacteria have genetic material, but viruses do not

In general, bacteria as compared to viruses...

• Are considered "living"

• Can be treated with vaccines

• Cannot be treated with antibiotics

• Hide inside of our cells

Which of the following is true for both bacteria and viruses?

• both contain genetic material

• can be killed using antibiotics

• have cell organelles

One of the reasons that viruses are nonliving is that they...

• Cannot reproduce by themselves

• Have no DNA or RNA

• overproduce too quickley to be attacked

A viruses are considered

• Living

• Non-living

What causes the common cold?

• Virus

• Bacteria

• Food poisoning