AGN 115 Final Exam 100% Correct Answers Verified Latest 2024 Version
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AGN 115
AGN 115 Final Exam | 100% Correct
Answers | Verified | Latest 2024 Version
People in the poorest nations normally spend (on average) more than 20% of their disposable income on
food. (Lec. 4) - True
Joel Salatin's said his goal in managing his operation is to ____. (Fresh the movie, 2009) - "ma...
AGN 115 Final Exam | 100% Correct
Answers | Verified | Latest 2024 Version
People in the poorest nations normally spend (on average) more than 20% of their disposable income on
food. (Lec. 4) - ✔✔True
Joel Salatin's said his goal in managing his operation is to ____. (Fresh the movie, 2009) - ✔✔"marry"
some new technologies with knowledge and experience
Traditional agroecosystems make extensive use of locally available and renewable resources. - ✔✔True
In Fresh (2009), Michael Pollan (author of Omnivore's Dilemma and In Defense of Food) makes
exaggerated, false, or misleading statements about _____. Select ALL that apply. - ✔✔A lack of
governmental subsidies for growing healthy food
Animal waste from CAFO lagoons being too concentrated for use as fertilizer
Changes in the nutritional values of food since 1950
"Maintains ecological health of soil." This would normally be associated with: - ✔✔Sustainable
Agriculture
The world population is currently estimated to be about ____, while the USA population is close to ____.
- ✔✔7.3 billion; 320 million
Contemporary textbooks and documentaries are written and produced in a manner that fully eliminates
bias - and the scientific peer-review process assures that it is free from error - so that each of these
sources always may be considered sources of unbiased fact. (Lec. 2, Fresh) - ✔✔False
Historically (e.g. 1993), about ___% of corn produced in the USA was used for cattle feed while <15% of
it was used to produce ethanol. In 2013 about 40% was used for livestock feed while about ___% was
used for ethanol production. (Lec. 4) - ✔✔75; 40
,All of the following have contributed to decreasing local control over agriculture, except... (Ch. 1) -
✔✔Decreasing ecological stability from traditional farming techniques
Except for "Bordeaux mixture" (used on grapes in France since the 1880s), chemical pesticides were
touted as new weapons against pests after ____, so our historical experience with them amounts to
about ____. (Ch. 1) - ✔✔World War II; 70 years
In Fresh, Andrew Kimbrell (Executive Director, The Center for Food Safety) said that new data show that
"medium-sized organic [production systems] are far more productive than any sized conventional
[production systems]"; however, data from recent university studies show that organic systems are
usually ____. - ✔✔Equal to or lower yielding than conventional systems
Norman Borlaug greatly increased yields for farmers in Mexico, India and Pakistan using classical
breeding techniques to produce a rust-resistant, dwarf wheat variety that was especially responsive to
fertilization and irrigation. - ✔✔True
"Almost all plant residues buried soon after crop harvest." Would normally be associated with: - ✔✔Poor
soil health
The National Organics Program currently permits the use of the antibiotics streptomycin and
oxytetracycline, but only to combat fire blight in organic apple and pear trees. - ✔✔False
Normally, about 25% (or more) of the biomass at one trophic level is converted to biomass at the next
trophic level. (Ch. 2) - ✔✔False
In the Penn and Teller: Norman Borlaug (2003) video, Dr. Terri Lomax, professor of Botany and Plant
Pathology (OSU), said that genetically modified crops are subjected to millions of dollars in testing and
are regulated by EPA, FDA and USDA, while protestors and administrators (e.g. Charles Margulus)
affiliated with Greenpeace claimed the crops were released without any testing. - ✔✔True`
"Reliance on synthetic or mineral fertilizer." This would normally be associated with: - ✔✔Conventional
Agriculture
, Intensive (frequent) tillage, combined with monoculture and short crop rotations, leaves the soil
exposed to the erosive effects of wind and rain. (Ch. 1) - ✔✔True
Because of its sandier soils and warmer temperatures, the _____ region of Missouri is most associated
with the production of cotton. (Lec. 1) - ✔✔Bootheel
Contemporary agricultural practices and trade practices have led to problems with ___. (Ch. 1) - ✔✔All
of these answers are correct:
Reliance on external inputs and global inequality
Overuse of water and damage to hydrological systems
Soil degradation and loss of genetic diversity
Environmental pollution and loss of control over agricultural production
On average, in 1950, one USA farmer produced enough food to feed about ___ people. (Lec. 4) - ✔✔15
Erle Ellis conducted studies of traditional agro-ecosystems in China and observed that ___ was likely the
limiting factor on productivity. (Ch. 23) - ✔✔Nitrogen as a nutrient
In the film Fresh, Joel Salatin's chickens followed pigs in a grazing rotation to kill and eat fly larvae in the
manure. - ✔✔False
The Missouri "bootheel" (southeastern counties) is known for high productivity of crops, but Missouri's
___ counties have the highest hay and cattle production. - ✔✔South western
"Intensive tillage." This would normally be associated with: - ✔✔Conventional Agriculture
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