BIO-195 Quiz 6 material

Which pathogen would you most like to avoid?

• Rhinovirus - common cold

• Adenovirus - sore throat

• E. coli O157H7 - GI illness and potential kidney failure

• Campylobacter jejuni - self limiting nausea, vomiting, diarrhea

A system used to clean, disinfect, and purify _______ is necessary before it travels to homes.

Tags

NGSS.HS-ESS2-5

Water purification takes 2-3 steps before it is potable.

• True

• False

Tags

NGSS.HS-ETS1-3

An agent that is used to determine of water is safe is called a/an

• water gauge

• indicator organism

• purification index

• mess marker

Which bacterial type is potentially pathogenic?

• E. coli

• Coliforms

• Enterobacteria

• Pseudomonas

Cleaveage of the chemical, ONPG, by beta-galactosidase produces a ________ color.

Fluorescence which is observed under UV light following the cleavage of MUG by beta-glucoronidase is caused by which bacteria?

Removal of organic contaminants occurs at which stage of wastewater treatment?

• primary

• secondary

• tertiary

• septic tank

Primary treatment of wastewater removes

• particulates

• bacteria and viruses

• nitrogen and phosphorus

• solid material

Tags

NGSS.HS-ESS2-5

To prevent eutrophication of bodies of fresh water, which stage is crucial?

• primary

• secondary

• tertiary

• disinfection