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Environmental Science Honors > Unit 7 > Flashcards

Unit 7 Flashcards

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1
Q

What are pryethrins harvested from to create pesticides?

  1. Herbs
  2. Grass
  3. Flowers
  4. Trees
A

Flowers

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2
Q

Styrene is used:

  1. To make nailpolish
  2. To make plastics
  3. To make food
  4. To make metals
A

To make plastics

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3
Q

Modes of exposure to solvents can include which of the following:

  1. Smoking cigarettes
  2. Using food and cosmetics packed in certain types of plastics
  3. Inhaling vapors
  4. All answers
A

All answers

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4
Q

Benzene and acetone are which type of chemical:

  1. Defoliants
  2. Pesticides
  3. Solvents
  4. Herbicides
A

Solvents

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5
Q

____ are useful as a pesticide due to a lack of insect resistance to this chemical group:

  1. Organophosphates
  2. Carbamates
  3. Pyrethrins
  4. Organochlorides
A

Organophosphates

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6
Q

Major classes of pesticides and insectides include all of the following except:

  1. Organosulfdes
  2. Organochlorides
  3. Organophosphates
  4. Carbamates
A

Organosulfides

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7
Q

_____ formed during the incomplete burning:

  1. Dioxins
  2. Pyrethrins
  3. Herbicides
  4. Biopesticides
A

Dioxins

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8
Q

________ resist photochemical, biological, and chemical degradation:

  1. POPs
  2. PAHs
  3. Organophosphates
  4. VOCs
A

POPs

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9
Q

Which of the following best describes a way that persistent organic pollutants (POPs) cause harm in the environment?

  1. POPs have magnetic signatures that confuse birds during migration
  2. POPs release radioactivity during decay
  3. POPs release carbon dioxide and methane
  4. POPs are soluble in fat, so they accumulate in tissue
A

POPs are soluble in fat, so they accumulate in tissue

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10
Q

Which of the following is not a source of polychlorinated biphenyls (PCBs)?

  1. Fire-retardants
  2. Adhesives
  3. Coolant
  4. Plastics
A

Plastics

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11
Q

Lead, Mercury, PCBs, Dioxins, Pthalates, and Parabens directly affect which 2 systems?

  1. Nervous and Endocrine
  2. Muscular and circulatory
  3. Skeletal and integumentary
  4. Circulatory and Respiratory
A

Nervous and Endocrine

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12
Q

Agent Orange contained small amounts of

A

dioxin

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13
Q

What do carbamates control?

A

Ticks/fleaks

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14
Q

Which type of pesticide/insecticide persist in the environment?

A

Organochlorides

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15
Q

What are PIPs?

A

Substances that plants produce from genetic material

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16
Q

What are biochemical pesticides?

A

Naturally occurring substances that control through non-toxic mechanisms

17
Q

Atrazine

A

Main ingredient in Roundup

18
Q

Paraguat

A

Used to destroy marijuana crops in Mexico

19
Q

What substance is present in environment and tends to bioaccumulate in animals and indirectly affect humans?

A

PCBs

20
Q

What is acetone found in?

A

Nail polish

21
Q

Clear, colorless liquid that has a characteristic odor

A

Toluene

22
Q

What is found in degreasing compounds and household cleaners?

A

Trichloroethane

23
Q

What is found in dry-cleaning industry and is a metal degreaser?

A

Tetrachloroethylene

24
Q

Benzene is connected with what disease?

A

Leukemia

25
Q

How are PAHs formed?

A

Through incomplete combustion of organic materials

26
Q

Benzene and acetone are classified as _____

A

VOCs

27
Q

What major class of pesticides is derived from natural sources?

A

Pyrethrones

28
Q

Found in petroleum, natural gas, coal, fuels, polyester

A

Hydrocarbons

29
Q

What treaty aims to reduce POPs

A

Stockholm Convention

30
Q

What is released from many commonly used solvents?

A

VOCs

31
Q

What is an inexpensive type of pesticide and eliminates need for multiple pesticides?

A

Organophosphate

32
Q

What type of pesticide is DDT?

A

Organochlorine

33
Q

What is canola oil or baking soda?

A

Biopesticide

34
Q

What is cotton/corn?

A

PIP

35
Q

Forest fires emit what

A

Dioxins

Environmental Science Honors (8 decks)

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