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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. By far the best method for managing pests - Uses chemical pesticides - biocontrol - AND diversity - Not monoculture; things are planted in a mosaic so that if pests attack all of the corn in one area there is still more corn somewhere else - Proven t
Pest management
Ore
Maximum Sustainable Yield
Advantages & Disadvantages of surface mining
2. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Malnourishment/Kwashiorkor
Agricultural revolution and technology
Coal
Malnourishment
3. A single piece of land gardened collectively by a group of people.
Effect of Monsanto on soybean farming since 1994
Community garden
Types of forestry
Coal
4. Having not enough of something
Manmade nitrogen ertilizers
Open pit mine
Risks of Bt Corn
Undernourishment
5. Organic macromolecules hardest to provide during a famine
Fertilizers
Strip mine
Selective Cutting
Protein (usually)
6. Completely missing something
Manure/compost
Malnourishment
Costs and downsides of purifying malachite
Things people can do to avoid depleting minerals
7. Technology was not able to profitably remove the copper from the malachite
Strip Cutting
Why malachite was originally left behind as tailing from copper mines
Ecological services
Undernourishment
8. 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
Impact of Mountain-Top Removal
Strip cutting
Surface mining
9. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Lesson from Food Inc
Adaptive Management
Minerals
Manmade nitrogen fertilizers
10. 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.
Genetically modified food
Nitrate
Community garden
Fertilizers
11. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Costs and downsides of purifying malachite
Clear cutting
Manure/compost
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
12. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Slash and Burn
Famine
Current Population/ 2100 projects of world population
Strip mine
13. 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
Agricultural revolution and technology
Naturally occurring pesticides
Strip cutting
Tailings/ Gangue
14. 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.
Food security
Subsurface mining
Genetically Modified foods
Sustainable Forestry
15. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Bt Corn
Undernourishment
Pesticides
Smelting
16. 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
Effect of Monsanto on soybean farming since 1994
Agricultural revolution and technology
Types of forestry
Minerals
17. About one million people on Earth 10 -000 years ago. (The Agricultural revolution). Worlds population crossed into 7 billion now - It is unlikely that we will double the 7 billion. We will hit 9 to 11 billion people.
Tailings/ Gangue
Minerals
Current Population/ 2100 projects of world population
Undernourishment
18. Worthless material that surrounds a wanted mineral in an ore deposit.
Community garden
Malnourishment
Pest management
Tailings/ Gangue
19. 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
Genetically Modified foods
Selective Cutting
Pesticides
Bt Corn
20. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Mountain-Top Removal
Clear cutting
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Coal
21. 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
Surface Mining Control and Reclamation Act of 1977
Strip Cutting
Effect of Monsanto on soybean farming since 1994
Undernourishment
22. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Minerals
Tailings/ Gangue
Costs and downsides of purifying malachite
Manmade nitrogen fertilizers
23. 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
Ecological services
Open pit mine
Acid mine drainage
Impact of Mountain-Top Removal
24. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Lesson from Food Inc
Integrated Pest Management (IPM)
Open pit mine
Surface Mining Control and Reclamation Act of 1977
25. Solid waste from smelts
Undernourishment
Slag
Coal
Smelting
26. Cheap - But - removes all overburden (trees - soil - rocks - etc.); obliterates natural communities b/c everything has been removed; leads to erosion; causes sulfuric acid run-off;
Genetically Modified foods
Advantages & Disadvantages of surface mining
Community supported agriculture (CSA)
Plowing
27. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Monoculture
Tailings/ Gangue
Bt Corn
Famine
28. One farmer=100 eaters.
Minerals
Clear-cutting
Things people can do to avoid depleting minerals
Lesson from Food Inc
29. 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
Impact of Mountain-Top Removal
Why malachite was originally left behind as tailing from copper mines
To purify copper from malachite
Biological control (alternative to pesticides)
30. 1990 Clean Air Act amendments encouraged clean-burning low-sulfur coal led to more mining in Appalachia -dumping ton of debris sinto valley degrades and destroys areas of habitat -social and health impacts. loose rock tumbles down into homes - overl
Bt Corn
Pesticides
Genetically Modified foods
Impact of Mountain-Top Removal
31. The uniform planting of a single crop
Monoculture
Things people can do to avoid depleting minerals
Community garden
Acid mine drainage
32. - the turning and loosening of soil for the planting of crops
Community supported agriculture (CSA)
Plowing
Advantages & Disadvantages of Subsurface mining
Advantages & Disadvantages of surface mining
33. The surface soil that must be moved away to get at coal seams and mineral deposits
Advantages & Disadvantages of surface mining
Malnourishment
Food security
Overburden
34. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Ecological services
Subsurface mining
Selective Cutting
35. 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
Tailings/ Gangue
Fertilizers
Manmade nitrogen fertilizers
Effect of Monsanto on soybean farming since 1994
36. Strip mining - open pit mining - mountain top removal
Clear-cutting
Types of surface mining
Mechanization/tractors/combines
Why malachite was originally left behind as tailing from copper mines
37. Genetically engineered using recombinant DNA
Things people can do to avoid depleting minerals
Coal
Genetically modified food
Advantages & Disadvantages of Subsurface mining
38. 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
Food security
Effect of Monsanto on soybean farming since 1994
Selective Cutting
Minerals
39. Uses the idea that 'the enemy of one's enemy is one's friend' - Battles pests and weeds with organisms that eat or infect them - Can be extremely effective and inexpensive
Genetically Modified foods
Manmade nitrogen fertilizers
Types of forestry
Biological control (alternative to pesticides)
40. 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
Subsurface mining
Risks of Bt Corn
Types of forestry
Things people can do to avoid depleting minerals
41. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Costs and downsides of purifying malachite
Advantages & Disadvantages of Subsurface mining
Coal
Pesticides
42. -boosts yields by intensifying irrigation and introducing synthetic fertilizers - while the advent of chemical pesticides reduce competition from weeds and herbivory by crop pests - Industrial agriculture works best under the condition of monoculture
Industrial Agriculture/ Factory Farming
Fertilizers
Open pit mine
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
43. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Food security
Clear-cutting
Artificial Organic compounds
Advantages & Disadvantages of surface mining
44. Locally-based socio-economic model of agriculture and food distribution. also refers to a particular network or association of individuals who have pledged to support one or more local farms - with growers and consumers sharing the risks and benefits
Strip cutting
Maximum Sustainable Yield
Community supported agriculture (CSA)
Smelting
45. 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
Community garden
Famine
Ecosystem-based Management
Ore
46. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Food security
Types of surface mining
Open pit mine
To purify copper from malachite
47. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Why malachite was originally left behind as tailing from copper mines
Community garden
Adaptive Management
What we can do to make forestry more sustainable
48. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
To purify copper from malachite
Ecosystem-based Management
Community supported agriculture (CSA)
How corn yield has changed in the United States since the 1920s
49. Clear cutting - Strip cutting - selective cutting
Artificial Organic compounds
Undernourishment
Types of forestry
Things people can do to avoid depleting minerals
50. 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
Strip mine
Selective Cutting
Clear-cutting
Ecosystem-based Management