Unit 7 Flashcards
What are pryethrins harvested from to create pesticides?
- Herbs
- Grass
- Flowers
- Trees
Flowers
Styrene is used:
- To make nailpolish
- To make plastics
- To make food
- To make metals
To make plastics
Modes of exposure to solvents can include which of the following:
- Smoking cigarettes
- Using food and cosmetics packed in certain types of plastics
- Inhaling vapors
- All answers
All answers
Benzene and acetone are which type of chemical:
- Defoliants
- Pesticides
- Solvents
- Herbicides
Solvents
____ are useful as a pesticide due to a lack of insect resistance to this chemical group:
- Organophosphates
- Carbamates
- Pyrethrins
- Organochlorides
Organophosphates
Major classes of pesticides and insectides include all of the following except:
- Organosulfdes
- Organochlorides
- Organophosphates
- Carbamates
Organosulfides
_____ formed during the incomplete burning:
- Dioxins
- Pyrethrins
- Herbicides
- Biopesticides
Dioxins
________ resist photochemical, biological, and chemical degradation:
- POPs
- PAHs
- Organophosphates
- VOCs
POPs
Which of the following best describes a way that persistent organic pollutants (POPs) cause harm in the environment?
- POPs have magnetic signatures that confuse birds during migration
- POPs release radioactivity during decay
- POPs release carbon dioxide and methane
- POPs are soluble in fat, so they accumulate in tissue
POPs are soluble in fat, so they accumulate in tissue
Which of the following is not a source of polychlorinated biphenyls (PCBs)?
- Fire-retardants
- Adhesives
- Coolant
- Plastics
Plastics
Lead, Mercury, PCBs, Dioxins, Pthalates, and Parabens directly affect which 2 systems?
- Nervous and Endocrine
- Muscular and circulatory
- Skeletal and integumentary
- Circulatory and Respiratory
Nervous and Endocrine
Agent Orange contained small amounts of
dioxin
What do carbamates control?
Ticks/fleaks
Which type of pesticide/insecticide persist in the environment?
Organochlorides
What are PIPs?
Substances that plants produce from genetic material
What are biochemical pesticides?
Naturally occurring substances that control through non-toxic mechanisms
Atrazine
Main ingredient in Roundup
Paraguat
Used to destroy marijuana crops in Mexico
What substance is present in environment and tends to bioaccumulate in animals and indirectly affect humans?
PCBs
What is acetone found in?
Nail polish
Clear, colorless liquid that has a characteristic odor
Toluene
What is found in degreasing compounds and household cleaners?
Trichloroethane
What is found in dry-cleaning industry and is a metal degreaser?
Tetrachloroethylene
Benzene is connected with what disease?
Leukemia
How are PAHs formed?
Through incomplete combustion of organic materials
Benzene and acetone are classified as _____
VOCs
What major class of pesticides is derived from natural sources?
Pyrethrones
Found in petroleum, natural gas, coal, fuels, polyester
Hydrocarbons
What treaty aims to reduce POPs
Stockholm Convention
What is released from many commonly used solvents?
VOCs
What is an inexpensive type of pesticide and eliminates need for multiple pesticides?
Organophosphate
What type of pesticide is DDT?
Organochlorine
What is canola oil or baking soda?
Biopesticide
What is cotton/corn?
PIP
Forest fires emit what
Dioxins