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Test your basic knowledge |
Farming
Start Test
Study First
Subject
:
agriculture
Instructions:
Answer 35 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. Chemicals that kill plants
Contour plowing
Microbial agents and biological controls
Gully erosion
Herbicides
2. A rebound of pest populations due to acquired resistance to chemicals and nonspecific destruction to natural and competitors by broad scale pesticides
Perennial species
Rill erosion
Community supported agriculture
Pest resurgence
3. Removal of layers of soil - creating channels or ravines too large to be removed by normal tillage operations
Persistent organic pollutants
Gully erosion
Salinization
Integrated pest management
4. Include cancer - birth defects - immunological problems - endometriosis - neurological problems - Parkinson's disease - and other chronic degenerative diseases
Biocides
Chlorinated hydrocarbons
Locavore
Chronic effects
5. 'botanicals' or organic compounds naturally occurring in plants - animals or microbes that serve as pesticides
Perennial species
Community supported agriculture
Natural organic pesticides
Biocides
6. A program in which you make an annual contribution to a local farm in return for weekly deliveries of a 'share' of whatever the farm produces
Community supported agriculture
Chlorinated hydrocarbons
Insecticides
Terracing
7. An ecologically based pest-control strategy that relies on natural mortality factors - such as natural enemies - weather - cultural control methods - and carefully applied doses of pesticides
Integrated pest management
Community supported agriculture
Herbicides
Water logging
8. Kill insects
Community supported agriculture
Sheet erosion
Chronic effects
Insecticides
9. Plowing along hill contours reduces erosion
Terracing
Cover crops
Fumigants
Contour plowing
10. Plants that can be planted immediately after harvest to hold and protect the soil
Fungicides
Cover crops
Organophosphates
Fumigants
11. Organic molecules to which phosphate group(s) are attached
Community supported agriculture
Perennial species
Organophosphates
Micorrhizal symbiosis
12. In pest management - the point at which the cost of pest damage exceeds the costs of pest control
Fungicides
Inorganic pesticides
Microbial agents and biological controls
Economic thresholds
13. Any chemical that kills - controls - drives away - or modifies the behavior of a pest
Perennial species
Economic thresholds
Reduced tillage systems
Pesticide
14. Someone who eats locally grown - seasonal food
Micorrhizal symbiosis
Water logging
Locavore
Reduced tillage systems
15. The removal of thin layers of soil as little rivulets of running water gather and cut small channels in the soil
Community supported agriculture
Natural organic pesticides
Locavore
Rill erosion
16. Toxic gases such as methyl bromine that are used to kill pests
Fumigants
Micorrhizal symbiosis
Rill erosion
Acute effects
17. Inorganic chemicals such as metals - acids - or bases used as pesticides
Inorganic pesticides
Acute effects
Mulch
Gully erosion
18. Kill fungi
Fungicides
Community supported agriculture
Fumigants
Reduced tillage systems
19. A process in which mineral salts accumulate in the soil - killing plants; occurs when soil in dry climates are irrigated profusely
Integrated pest management
Persistent organic pollutants
Subsoil
Salinization
20. Chemical compounds that persist in the environment and retain biological activity for long times
Persistent organic pollutants
Herbicides
Economic thresholds
Perennial species
21. Hydrocarbon molecules to which chlorine atoms are attached
Persistent organic pollutants
Chlorinated hydrocarbons
Sheet erosion
Community supported agriculture
22. The first true layer of soil; layer in which organic material is mixed with mineral particles; thickness ranges from a meter of more under virgin prairie to zero in some desserts
Economic thresholds
Mulch
Surface soil
Reduced tillage systems
23. Protective ground cover - including both natural products and synthetic materials that protects the soil - save water - and prevent weed growth
Natural organic pesticides
Cover crops
Perennial species
Mulch
24. Peeling off thin layers of soil from the land surface; accomplished primarily by wind and water
Contour plowing
Economic thresholds
Microbial agents and biological controls
Sheet erosion
25. Including poisoning and illnesses caused by relatively high doses and accidental exposures
Acute effects
Water logging
Surface soil
Rill erosion
26. Plants that grow for more than two years
Perennial species
Mulch
Strip farming
Natural organic pesticides
27. A layer of soil beneath the topsoil that has a lower organic content and higher concentrations of fine mineral particles; often contains soluble compounds and clay particles carried down by percolating water
Subsoil
Fumigants
Strip farming
Pest resurgence
28. Water saturation of soil that fills all air spaces and causes plant roots to die from lack of oxygen; a result of over irrigation
Desertification
Water logging
Inorganic pesticides
Community supported agriculture
29. Conversion of productive lands to desert
Chronic effects
Desertification
Biocides
Reduced tillage systems
30. Beneficial microbes (bacteria or fungi) that can be used to suppress or control pests
Sheet erosion
Persistent organic pollutants
Microbial agents and biological controls
Economic thresholds
31. Planting different kinds of crops alternating strips along land contours; when one crop is harvested - the other crop remains to protect the soil and prevent water from running straight down a hill
Integrated pest management
Inorganic pesticides
Acute effects
Strip farming
32. Shaping the land to cerate level shelves of earth to hold water and soil; requires extensive hand labor or expensive machinery - but it enables farmers to farm very steep hillsides
Terracing
Mulch
Pesticide
Locavore
33. Systems - such as minimum till - conserve-till - and no-till - that preserve soil - save energy and water - and increase crop yields
Mulch
Reduced tillage systems
Surface soil
Inorganic pesticides
34. An association between the roots of most plant species and certain fungi. The plant provides organic compounds to the fungus - while the fungus provides water and nutrients to the plant
Integrated pest management
Reduced tillage systems
Organophosphates
Micorrhizal symbiosis
35. A broad-spectrum poison that kills a wide range of organisms
Pest resurgence
Pesticide
Community supported agriculture
Biocides