Pathogens - Bacteria and Viruses Quiz

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A class of organisms that harm their host by producing toxins that interfere with normal body function.

A. liverwarts

B. Slime molds

C. Bacteria

D. Amoebas

Influenza is a disease caused due to

A. bacteria

B. Virus

C. Protozoa

D. None of the above

Viruses reproduce themselves by…

A. dividing into two identical copies

B. causing cells to transform into viruses

C. making host cells reproduce copies of the viruses

D. planting eggs inside host organisms

How could you describe the size of a virus?

A. Smaller than bacteria

B. Larger than a parasite

C. About the size of a dime

D. Smaller than a proton

Mushroom belongs to

A. Algae

B. Virus

C. Fungi

D. None of the above

A microbe that causes disease…?

A. Pathogen

B. Vector

C. Fungus

D. Virus

Which is not an example of a harmful microorganism?

A. Mold growing on a kitchen sponge

B. Bacteria found in yogurt

C. Bacteria that causes turberculosis

D. Salmonella on uncooked chicken

Which pathogen needs a host cell to reproduce?

A. virus

B. bacteria

C. fungus

D. parasite

Which of the following statements are true?

A. All microorganisms are bad

B. All microorganisms are good

C. Some microorganisms are harmful, while some can be helpful

D. Microorganisms are too small to do anything to anyone

An infectious disease:

A. can be spread from person to person.

B. can not be spread from person to person.

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