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sas 2 final review Questions and answers 2025.
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sas 2 final review Questions and answers 2025.
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sas 2 final review Questionsand answers 2025
The Haber-Bosch process refers to:
a) an industrial synthetic process for the production of phosphate
fertilizer
b) an industrial synthetic process for the production of nitrogen fertilizer
c) a method of harvesting wheat that relies on both mechanical and
animal power
d) a method to determine levels of synthetic hormones in competitive
cyclists - answer b
Which of the following statements is not true?
a) the California Central Valley is the most agriculturally productive region
in the history of mankind
b) the five top counties in sales of agricultural commodities in the US are
in California
c) a reason why California is so agriculturally productive is that there are
very few regulations on the practices that growers use to farm
d) California is the sole producer in the US of several tree nut crops -
answer c
Which of the following statements is correct?
a) Global cultivated area on the planet is not increasing significantly, due
to high efficiency modern farming practices.
b) Henry Wallace is regarded as the father of the Green Revolution.
c) Modern agriculture is no longer an environmentally intrusive human
activity.
d) Approximately 20% of U.S. workers are employed on farms. - answer a
Development of agriculture allowed for the formation of communities and
centers of power. True or false? - answer True
,Corn yields are less dependent on synthetic nitrogen fertilizers following a
crop of soybeans because bacteria on soybean roots capture nitrogen
from the air. True or false? - answer True
Development of agriculture allowed for the formation of standing armies.
True or false? - answer True
Herbicides
a) the legal name of the crime committed when someone is poisoned by
hemlock or deadly nightshade
b) are not used very much anymore since it is cheaper to hire laborers to
do the job
c) are used primarily to kill bacteria and fungi to control diseases in
animal and plant agriculture
d) are used to kill weeds in farm fields and other areas - answer d
Bioconcentration (or biomagnification) as discussed in this course refers
to:
a) the increasing concentration of a chemical such as a pesticide as it
moves up the food chain
b) an analytical method to determine the residues of pesticides or other
chemicals on fruits and vegetables
c) a technical term referring to the process used by college students to
cram for final exams
d) the impact of a pest species on an ecosystem - answer a
Mechanization resulted in dramatic gains in crop yields, especially in the
early part of the 20th century, gains that preceded those resulting from
improved crop genetics and widespread use of synthetic fertilizer. True or
false? - answer True
Combines, such as those pictured in the lecture slides,
a) are used to turn over the soil to prepare a field for planting
, b) are used to harvest cereal crops (e.g. wheat, rice) and combine in one
machine the actions of reaping, threshing and winnowing the grain
c) are used to shake almond and walnut trees to remove and collect the
nuts from the tree
d) is an implement that you might use on your hair in the morning -
answer b
b - answer The average foodstuff travels how many miles from where it
was produced to your table?
a) 15,000 miles
b) 1,500 miles
c) 150 miles
d) 15 miles
With industrial farming and current technology as practiced in wealthy
countries, and using current cropland and modern food distribution
systems, everyone on earth at our current population could eat like the
typical American eats (western or "meat-sweet" diet). True or false? -
answer False
Major cities are almost completely self-sufficient in producing enough food
to sustain the demands of their population through community gardens
and agricultural zones located within the cities. True or false? - answer
False
Which are the three most populous countries in the world today (and will
also be in 2050)?
a) Russia, Mexico, and the US
b) India, Russia, and China
c) Japan, Mexico, and India
d) China, India, and the US - answer d
Which of the following statements about food security is FALSE?
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