Exam (elaborations)
USABO PLANT FORM AND FUNCTION QUESTIONS AND ANSWERS
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USABO PLANT FORM AND FUNCTION QUESTIONS AND ANSWERS
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Name: Score:81 Multiple choice questions
Definition 1 of 81
a vascular plant organ consisting of an alternating system of nodes and internodes that
support the leaves and reproductive structures
petiole
bark
stem
tuber
Definition 2 of 81
a root that grows from an unexpected region of the plant, such as from a stem or leaf;
characteristic of a fibrous root system
lateral root
adventitious root
taproot
buttress root
Definition 3 of 81
an enlarged end of a rhizome or stolon that is specialized for storing food
stem
stolon
tuber
vascular cambium
,Definition 4 of 81
a component of water potential that is inversely proportional to the molarity of the solution
gravity potential
water potential
solute potential
apical dominance
Definition 5 of 81
ground tissue internal to the vascular tissue
pith
axillary bud
cortex
vascular cambium
Definition 6 of 81
the tendency for primary plant growth to be concentrated at the tip of the shoot, a property
stemming from the inhibitory activity of the apical bud on axillary bud growth
phyllotaxy
apical dominance
primary growth
vascular bundle
Definition 7 of 81
a major vein characteristic of eudicots that runs down the center of the blade of a leaf
midrib
periderm
petiole
node
,Definition 8 of 81
flowers when night exceeds a critical dark period; a flash of light interrupting the dark period
prevents flowering
long-night plant
day-neutral plant
cork cambium
short-day plant
Definition 9 of 81
stimulates seed germination and lateral branching and inhibits vertical growth
Pfr
Stele
Psr
Lenticel
Definition 10 of 81
the potential energy of water per unit volume relative to pure water in reference conditions;
predicts the direction in which water will flow
primary growth
root cap
water potential
root pressure
, Definition 11 of 81
a root that develops from the pericycle of an established root
taproot
lateral root
primary root
adventitious root
Definition 12 of 81
a sugar or other product of photosynthesis
photosynthate
chloroplast
xylem
carbohydrate
Definition 13 of 81
a blue-light sensitive flavoprotein responsible for the light-induced inhibition of stem
elongation in seedlings
internode
phototropin
cryptochrome
cytokinin
Definition 14 of 81
in plants, the continuum of cytoplasm connected by plasmodesmata between cells.
bark
symplast
endodermis
apoplast
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