Pathogenic Microorganisms

Which pathogen is non-living?

• Virus

• Bacteria

• Fungi

• Parasite/Protist

• They are all alive

Viruses reproduce themselves by...

• dividing into two identical copies
• causing cells to transform into viruses
• making host cells reproduce copies of the viruses
• planting eggs inside host organisms

Which of the following statements about pathogens is true?

• A pathogen describes anything that causes illness or disease
• Pathogens are all microscopic
• All pathogens are transmitted through the air from host to host
• All pathogens cause cells to swell and burst

Malaria is a common disease in many countries. What type of pathogen is malaria?

• a virus

• a bacterium

• a fungus

• a protist

Which type of pathogen is responsible for causing the flu, chicken pox, and yellow fever?

• viruses

• parasites

• fungi

• bacteria

Sabrina has the flu. Her neighbor suggests she get a prescription for an antibiotic, but Sabrina's mothers says that antibiotics would not help in this situation. Why?

• the flu is caused by a virus, and it cannot be treated with an antibiotic.

• the flu is caused by a fungus, and it must be treated with antifungal medication

• the flu is caused by a parasitic worm, and must be treated with an anti-parasitic medication

• the flu is caused by a bacterium, and it cannot be treated with an antibiotic.

Which best compares bacteria and viruses?

• bacteria are smaller than viruses
• bacteria cause disease, but viruses do not
• bacteria have genetic material, but viruses do not
• bacteria are living organisms, but viruses are not

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

a class of organisms that feed primarily on dead material that can cause illness.

• fungi

• protozoas

• bacteria

Tags

NGSS.MS-LS2-3

Which pathogen does NOT have DNA?

• fungi

• protist/parasite

• bacteria

• virus

• they all have DNA