About this Study Set
This study set covers Waste Management through
20 practice questions.
A study of the complex interactions between waste, ecosystems, and wildlife biology. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 20 questions from the
Environmental Impact of Waste Management study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which specific substance found in plastic marine debris is known to act as a chemical sponge, adsorbing persistent organic pollutants like PCBs from the surrounding seawater?
-
A
Polyethylene terephthalate
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B
Hydrophobic organic contaminants
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C
Polylactic acid
-
D
Phthalate esters
2
In the context of landfill ecology, which gas byproduct poses the greatest risk of thermal atmospheric trapping and is generated via the anaerobic decomposition of organic matter?
-
A
Nitrogen dioxide
-
B
Methane
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C
Sulfur hexafluoride
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D
Carbon monoxide
3
Which marine species is critically threatened by the ingestion of balloon fragments, which cause fatal blockages in the gastrointestinal tract due to their resemblance to gelatinous prey?
-
A
Loggerhead sea turtle
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B
Blue whale
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C
Great white shark
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D
Emperor penguin
4
What is the primary mechanism by which leachate from unlined landfills negatively impacts local groundwater biodiversity?
-
A
Increased salinity levels
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B
Heavy metal contamination
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C
Depletion of atmospheric nitrogen
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D
Excessive thermal discharge
5
Which toxic chemical, historically added to plastics as a flame retardant, has been found to bioaccumulate in the fatty tissues of Arctic apex predators?
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A
Polybrominated diphenyl ethers (PBDEs)
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B
Bisphenol A
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C
Polyvinyl chloride
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D
Polyethylene glycol
6
What term describes the process where plastic debris enters the marine food web at the microscopic level through ingestion by zooplankton?
-
A
Biomagnification
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B
Trophic transfer
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C
Bio-uptake
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D
Sedimentation
7
Microplastics are defined by researchers as plastic particles having a diameter of less than:
-
A
50 micrometers
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B
5 millimeters
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C
1 centimeter
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D
1 nanometer
8
Which bird species is often used as an indicator for marine plastic pollution due to its habit of feeding at the ocean surface where plastics accumulate?
-
A
Albatross
-
B
Penguin
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C
Ostrich
-
D
Eagle
9
What negative impact does excessive nitrogenous waste in agricultural runoff have on aquatic environments?
-
A
Eutrophication leading to hypoxic dead zones
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B
Increased biodiversity of freshwater fish
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C
Rapid growth of healthy coral reefs
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D
Depletion of heavy metals in sediment
10
Which heavy metal, frequently released during the improper disposal of electronic waste (e-waste), is a known potent neurotoxin that accumulates in aquatic sediment?
-
A
Mercury
-
B
Calcium
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C
Iron
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D
Magnesium
11
The Great Pacific Garbage Patch is primarily composed of what type of plastic material that has undergone photodegradation?
-
A
Low-density polyethylene
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B
Polyurethane foam
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C
Polyester fibers
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D
Polytetrafluoroethylene
12
How does the accumulation of non-biodegradable waste on sandy beaches affect the nesting success of sea turtles?
-
A
It increases the incubation temperature of the sand
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B
It alters the chemical composition of eggshells
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C
It prevents hatchlings from reaching the water
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D
It attracts invasive predators to the nest sites
13
What is the primary biological consequence of 'entanglement' in discarded fishing gear (ghost nets) for marine mammals like seals?
-
A
Infection of the respiratory tract
-
B
Physical trauma and restriction of movement leading to drowning
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C
Increased vulnerability to bacterial skin diseases
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D
Interference with echolocation abilities
14
Which process involves the transformation of waste organic material into stable humus through the action of soil macro-invertebrates?
-
A
Vermicomposting
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B
Incineration
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C
Pyrolysis
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D
Gasification
15
Which chemical additive commonly found in plastic water bottles is a known endocrine disruptor that leaches into the environment upon degradation?
-
A
Bisphenol A (BPA)
-
B
Sodium bicarbonate
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C
Titanium dioxide
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D
Calcium carbonate
16
In landfill waste streams, which category of material is the largest contributor to the production of acidic leachate?
-
A
Inorganic construction debris
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B
Food and organic yard waste
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C
Rubber tires
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D
Glass bottles
17
What phenomenon occurs when plastic debris inhibits the photosynthetic capacity of coral reefs by blocking light and carrying pathogens?
-
A
Coralline bleaching
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B
Increased skeletal calcification
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C
Rapid polyp regeneration
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D
Enhanced symbiotic algae growth
18
Which waste management process is technically considered an 'exothermic' reaction that releases energy while converting carbonaceous materials into biochar and syngas?
-
A
Pyrolysis
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B
Composting
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C
Aerobic digestion
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D
Landfilling
19
Persistent organic pollutants (POPs) accumulate in the environment and exhibit which characteristic that makes them dangerous to wildlife?
-
A
High water solubility
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B
Rapid metabolic degradation
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C
Lipophilic (fat-loving) nature
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D
Low toxicity at high concentrations
20
The term 'leachate' refers to:
-
A
The liquid that drains from a landfill after rainfall or decomposition
-
B
The gaseous emissions from waste incineration
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C
The solid residue remaining after plastic recycling
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D
The synthetic fibers shed by clothing during washing
