CPSC 112 University of
Illinois Final Exam part
1-3 or Exam 1 Questions
and Complete Solutions
Graded A+
The three most abundant crops in the US are - Answer: Corn, Soybean, Wheat
which of the following life-cycles results in the shortest life for a plant? - Answer: summer annual
Winter annual - Answer: Vegetative dormancy, almost 4 seasons (fall, winter, spring, early summer)
approx. 7-8 months
What best describes the benefits of forages - Answer: allows for crop production on rolling land and
conversion of plant to protein by ruminants
Archaelogical records show that scavenger-gatherer societies only relied on one to two plant species for
food - Answer: False
These plant parts grow underground but have nodes - Answer: rhizomes
plant domestication occurred - Answer: a number of times in a number of places
, what condition might induce a grower to plant corn see deeper than normal - Answer: dry sandy soils
The following is true about C4 plants and terrestrial C fixation - Answer: Few plants are C4 but they fix
larger (disproportionate) amount terrestrial C
Although pastures can help increase water quality and soil C storage they likely increase _________ due
to the presence of livestock - Answer: methane emissions
Removal of the apical meristem above the uppermost leaves of a soybean plant results in - Answer:
growth of axillary buds
Dicots are typically characterized as having - Answer: epigeal emergence and dehiscent seed coats
Which "saved seed" when planted would always result in a crop less desirable than its parents - Answer:
hybrid corn
What role does photosynthesis play in the global carbon cycle - Answer: it fixes C02 from the
atmosphere in the largest quantities compared to other fluxes
The root system in corn that emerges directly from an above ground node is the - Answer: brace root
system
The Green Revolution was an important precursor to the Agricultural Revolution (1700-1900) - Answer:
False
Green Revolution - Answer: (1960's) Norman Borlaug 1970, fertilizers, high yielding crops, irrigation
The phloem - Answer: is essential in transporting sugars throughout growing plants
Monocots have - Answer: one seed leaf and parallel leaf venation
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