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Test your basic knowledge |
DSST Environmental Science: Land Use
Start Test
Study First
Subjects
:
dsst
,
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. - the turning and loosening of soil for the planting of crops
Minerals
Bt Corn
Surface mining
Plowing
2. Mining method- mining underground coal deposits - in which shafts are dug deeply into the ground and networks of tunnels are dug to follow coal seams.
Subsurface mining
Integrated Pest Management (IPM)
Effect of Monsanto on soybean farming since 1994
Smelting
3. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Naturally occurring pesticides
Pest management
Famine
Costs and downsides of purifying malachite
4. Recycle batteries - Send large amounts of metal to scrap yards/businesses instead of to landfills (ex. cars - fridges - dishwashers - etc.) - Recycle old electronics like phones and computers to prevent more mining of minerals like tantalum that are
Effect of Monsanto on soybean farming since 1994
Clear-cutting
Things people can do to avoid depleting minerals
Types of surface mining
5. A single piece of land gardened collectively by a group of people.
Advantages & Disadvantages of Subsurface mining
Community garden
What we can do to make forestry more sustainable
Dangers of Biological control
6. Manages resource harvesting so as to minimize impact on ecosystem and ecological processes that provide the resource - Advantages: can protect certain areas; can restore habitats; considers surroundings; allows timber harvesting while preserving inte
Pesticides
Strip Cutting
Slash and Burn
Ecosystem-based Management
7. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Maximum Sustainable Yield
Nitrate
What we can do to make forestry more sustainable
Pesticides
8. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Maximum Sustainable Yield
Effect of Monsanto on soybean farming since 1994
Smelting
Dangers of Biological control
9. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Naturally occurring pesticides
Bt Corn
Economic services
Smelting
10. Mix the malachite with water and 6M sulfuric acid and heat the mixture - creating a transformation reaction where the only left over matter is the sand - which is then strained out. Iron fillings are then added to the solution - a substitution react
To purify copper from malachite
Plowing
Clear-cutting
Surface Mining Control and Reclamation Act of 1977
11. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Industrial Agriculture/ Factory Farming
Strip Cutting
What we can do to make forestry more sustainable
Slag
12. Foods derived from genetically modified organisms. Genetically modified organisms have had specific changes introduced into their DNA by genetic engineering techniques. include selective breeding; plant breeding. Typically - genetically modified food
Undernourishment/Marasmus
Plowing
Overburden
Genetically Modified foods
13. Genetically engineered using recombinant DNA
Undernourishment/Marasmus
Protein (usually)
Nitrate
Genetically modified food
14. Do not naturally occur in the environment - but are synthesized by man. Since all these compounds have carbon and hydrogen atoms as the basis of their molecule (as do living plants and animals) - they are referred to as organic compounds to form pest
Artificial Organic compounds
Current Population/ 2100 projects of world population
Dangers of Biological control
Strip cutting
15. A variation of clear-cutting in which a strip of trees is clear-cut along the contour of the land - with the corridor narrow enough to allow natural regeneration within a few years. After regeneration - another strip is cut above the first - and so o
Malnourishment/Kwashiorkor
Sustainable Forestry
Strip cutting
Smelting
16. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Mechanization/tractors/combines
Economic services
Subsurface mining
Current Population/ 2100 projects of world population
17. Having not enough of something
Undernourishment
What we can do to make forestry more sustainable
Smelting
Nitrate
18. Fertilizers - promote plant growth by providing essential nutrients like nitrogen or phosphorus; increases crop yield - Combines/Machinery - allows farmers to work much faster and more efficiently; increases crop yield - Pesticides - kill insects - p
Agricultural revolution and technology
Types of forestry
Advantages & Disadvantages of surface mining
Minerals
19. Organic macromolecules hardest to provide during a famine
Surface Mining Control and Reclamation Act of 1977
Naturally occurring pesticides
Sustainable Forestry
Protein (usually)
20. When sulfide minerals in newly exposed rock surfaces react with oxygen and rainwater to produce sulfuric acid - causing runoff as it leaches metals from the rocks
Effect of Monsanto on soybean farming since 1994
Integrated Pest Management (IPM)
Acid mine drainage
Monoculture
21. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Protein (usually)
Manmade nitrogen ertilizers
Why malachite was originally left behind as tailing from copper mines
Coal
22. Solid waste from smelts
Slag
Overburden
Maximum Sustainable Yield
Ecosystem-based Management
23. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Community garden
Undernourishment/Marasmus
Biological Control
Bt Corn
24. Systematically tests different approaches and aims to improve methods and find ideal over time - Advantages: can be highly effective; works with each specific environment; can protect species; can provide minimum impact - Disadvantages: difficult to
Integrated Pest Management (IPM)
Mountain-Top Removal
Advantages & Disadvantages of Subsurface mining
Adaptive Management
25. The FSC (Forest Stewardship Council) examine the practices of firms and rate them against criteria for sustainability - Grant sustainable forest certification to forests - companies - and products produced using methods they consider sustainable.
Sustainable Forestry
Risks of Bt Corn
Biological control (alternative to pesticides)
Types of surface mining
26. To reclaim is to make things level - and to get something growing and prevent erosion - If the U.S were to try to reclaim - it would cost tax payers about 2 trillion dollars.
Surface Mining Control and Reclamation Act of 1977
Biological control (alternative to pesticides)
Naturally occurring pesticides
Effect of Monsanto on soybean farming since 1994
27. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Mechanization/tractors/combines
Genetically modified food
Genetically Modified foods
Things people can do to avoid depleting minerals
28. Completely missing something
Malnourishment
Ecological services
Manmade nitrogen fertilizers
Coal
29. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Malnourishment
Minerals
Strip mine
Dangers of Biological control
30. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Community garden
Economic services
Clear cutting
Adaptive Management
31. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Undernourishment/Marasmus
Plowing
Selective Cutting
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
32. Cut trees shortly after they go through their fastest stage of growth (which is during their intermediate age) - Advantages: maximizes timber production over time - Disadvantages: trees get cut before they mature; alters forest ecology; eliminates ha
Types of forestry
Integrated Pest Management (IPM)
Maximum Sustainable Yield
Ore
33. Controversial logging practice where all trees in an area are uniformly cut down - used by foresters to create certain types of forest ecosystems and to promote select species that requires an abudnace of sunlight or grow in large - even--age stands
Clear-cutting
Bt Corn
Food Aid
Manmade nitrogen ertilizers
34. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Coal
Why malachite was originally left behind as tailing from copper mines
Selective Cutting
Current Population/ 2100 projects of world population
35. Can hurt other species - methods used to control other species can become invasive species themselves - Ex. Australia released a virus to kill the excessive rabbits; Australians brought in cane toads to kill beetles on their sugar cane - BUT the toa
Slag
Industrial Agriculture/ Factory Farming
Selective cutting
Dangers of Biological control
36. The surface soil that must be moved away to get at coal seams and mineral deposits
Maximum Sustainable Yield
Impact of Mountain-Top Removal
Economic services
Overburden
37. The golden molecule for plants because it makes them grow - Leagues have special nitrogen fixing bacteria in their rhizomes (roots) - Three covalent bonds for N2. Stronger the covalent bonds - the harder it is to react. Nitrogen gas is inert.
Famine
Strip cutting
Nitrate
Agricultural revolution and technology
38. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Genetically modified food
Strip mine
Clear cutting
Selective cutting
39. Harvesting only mature trees of certain species and size; usually more expensive then clear-cutting but it is less disruptive for wildlife and often better for forest regeneration
Clear-cutting
Selective Cutting
Slash and Burn
Economic services
40. way to enhance nutrient-limited soils - Inorganic fertilizers- mined or synthetically manufactured mineral supplements - Organic fertilizers consist of the remains or wastes of organisms that include animal mancure - organic fertilizers can improve
Food Aid
Fertilizers
Famine
Nitrate
41. Soy beans have been genetically modified for better traits. 'Round up Ready' soy beans have made it so that weed killer 'round up' can be sprayed around the plants and kill all the weeds but not the soy bean plants. 'round up ready soy beans' were cr
Effect of Monsanto on soybean farming since 1994
Advantages & Disadvantages of Subsurface mining
Genetically Modified foods
Dangers of Biological control
42. Strip mining - open pit mining - mountain top removal
Types of surface mining
Biological Control
Naturally occurring pesticides
Food Aid
43. Choosing valuable trees only - lots of reseeding - transportation is hard.
Strip cutting
Why malachite was originally left behind as tailing from copper mines
Surface mining
Selective cutting
44. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Surface Mining Control and Reclamation Act of 1977
Open pit mine
Tailings/ Gangue
Adaptive Management
45. Now makes up 80% of corn in the US - Benefits: Contains naturally occurring pesticide - Increases production - could feed more people - Grow more per square area - Doesn't spoil as quickly - Bigger - tastier
Bt Corn
Agricultural revolution and technology
Strip cutting
Strip mine
46. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
What we can do to make forestry more sustainable
Undernourishment/Marasmus
Risks of Bt Corn
Overburden
47. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Strip Cutting
What we can do to make forestry more sustainable
Mountain-Top Removal
Food Aid
48. The uniform planting of a single crop
Costs and downsides of purifying malachite
Strip cutting
Monoculture
Community garden
49. Long term information is unknown - Can take over surrounding ecosystem - Pest-killing toxin also kills insects that should not and are not meant to be killed such as monarch butterflies - Pollen can be carried to nearby plants by wind thus making th
Strip mine
Risks of Bt Corn
Ore
Undernourishment
50. Shafts are excavated deep into the ground - and networks of tunnels are dug or blasted out to follow deposits of the mineral. requires removal of the overburden - Used for metals ( zinc - lead - nickel - tin - gold - copper) and coal - Most dangerous
Coal
Plowing
Surface mining
Overburden