Bacteria & Viruses

How could you describe the size of a virus?

• Smaller than bacteria
• Larger than a parasite
• About the size of a dime
• Smaller than a proton

What does a virus have on the inside?

• DNA, but never RNA
• RNA but never DNA
• DNA or RNA
• neither DNA or RNA

A tiny, nonliving particle that invades and then reproduces inside a living cell.

• host cell
• bacteria
• virus
• pathogen

Living cell in which a virus can actively multiply.

• host cell
• microbe
• infection
• fungi

You can improve your recovery from illness by

• a. exercising
• b. limiting your sleep
• c. not seeing a doctor
• d. increasing fluids and rest

Facts about influenza include all but which of the following?

• a. it is the same as a cold
• b. it can be prevented with a vaccine
• c. it can be cured by antibodies
• d. it kills thousands of people each year

Which is the BEST way to help prevent the flu virus from becoming a pandemic?

• sleeping 8 hours a night
• taking antibiotics
• getting a vaccination
• eating fruits and vegetables

Tags

NGSS.HS-ETS1-1

The bacteria that causes bubonic plague is transmitted to human by fleas. Which term BEST describes the role of the fleas in transmitting bubonic plague?

• vector
• air
• decomposer
• pathogen

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

Which is the most effective defense against the chicken pox virus?

• antibiotics
• diet
• exercise
• vaccine