NCSU HS201 Exam 3 Questions and
Answers 100% Solved
Types of Tree Bark - answer warty, wrinkly, interlacing ridges, lenticels, peeling, blocky,
splotchy, ridges, and spiny
Example of tree with interlacing ridges - answer Kentucky Coffee Tree, reminds Brian of
the soft serve ice cream from the tomato restaurant
Example of tree with bark with lenticels – answer cherry blossom
Example of tree with peeling bark – answer eucalyptus
Bark extras - answerAlate (winged) and prickles (on roses)
Major uses of bark - answercork, spices and incense, phytotherapy, and ornament
Tree used for cork - answerQuercus suber
How often is cork harvested? - answer9-12 years; 12 harvests in a life time, starts at 25
years
Portugal has _______ acres in cultivation - answer2 million
Phytotherapy means - answerplant healing
What tree species were used for pain killers since 400 BC and is the origin of aspirin? -
answerSalix (willow) and Populus species
The only plant research topic that is more prevalent than light is _________ -
answerwater
Money is in _______ - answerlight research
Light effects on plant growth - answerPhotosynthesis, pigment formation, seed
germination, fall color, growth habit, size, flowering, and fruiting
Plant pigments - answercarotene, xanthophyll, chlorophyll , and anthocyanin
Carotene - answerorange
Xanthophyll - answeryellow
, Chlorophyll - answergreen
Anthocyanin - answerred
phototropism - answerplant response to light
Plants grow _____ from light - answeraway
Auxin - answerplant hormone produced in stem tip and aides in organ development;
concentrated in shaded regions of the stem
Full sun area and a plants that require full sun - answergrowth occurs
Lowlight area and plant that requires high light - answerno growth, slow death
Light compensation point - answerrate of photosynthesis equals the rate of respiration
(no growth, no death)
Light saturation point - answeramount of light, beyond which no added benefit/growth is
obtained
Shade leave characteristics - answerlarger, thinner, greener, lower light compensation
point, more efficient photosynthetic apparatus
Day neutral plants - answerplants that simply flower at some stage of growth with no
regard to the length of day or night
The length of the __________ actually influences plant responses - answerdark period
Phytochrome - answera protein based pigment sensitive to red light, exists as 2
different forms in plants (P660 and P730)
__________ tons of sugar is produced by plants annually - answer100 billion
_____ of dry matter in plants is from photosynthesis - answer94%
Majority of photosynthesis occurs in the ______ - answerocean
Only ___ of light that hits a leaf and water absorbed by plants is actually used in
photosynthesis - answer1%
Photosynthesis formula - answer6CO2 + 6H2O =(light)= C6H12O6 + 6O2
You should prune a plant that flowers on old wood ______ it flowers - answerafter
Answers 100% Solved
Types of Tree Bark - answer warty, wrinkly, interlacing ridges, lenticels, peeling, blocky,
splotchy, ridges, and spiny
Example of tree with interlacing ridges - answer Kentucky Coffee Tree, reminds Brian of
the soft serve ice cream from the tomato restaurant
Example of tree with bark with lenticels – answer cherry blossom
Example of tree with peeling bark – answer eucalyptus
Bark extras - answerAlate (winged) and prickles (on roses)
Major uses of bark - answercork, spices and incense, phytotherapy, and ornament
Tree used for cork - answerQuercus suber
How often is cork harvested? - answer9-12 years; 12 harvests in a life time, starts at 25
years
Portugal has _______ acres in cultivation - answer2 million
Phytotherapy means - answerplant healing
What tree species were used for pain killers since 400 BC and is the origin of aspirin? -
answerSalix (willow) and Populus species
The only plant research topic that is more prevalent than light is _________ -
answerwater
Money is in _______ - answerlight research
Light effects on plant growth - answerPhotosynthesis, pigment formation, seed
germination, fall color, growth habit, size, flowering, and fruiting
Plant pigments - answercarotene, xanthophyll, chlorophyll , and anthocyanin
Carotene - answerorange
Xanthophyll - answeryellow
, Chlorophyll - answergreen
Anthocyanin - answerred
phototropism - answerplant response to light
Plants grow _____ from light - answeraway
Auxin - answerplant hormone produced in stem tip and aides in organ development;
concentrated in shaded regions of the stem
Full sun area and a plants that require full sun - answergrowth occurs
Lowlight area and plant that requires high light - answerno growth, slow death
Light compensation point - answerrate of photosynthesis equals the rate of respiration
(no growth, no death)
Light saturation point - answeramount of light, beyond which no added benefit/growth is
obtained
Shade leave characteristics - answerlarger, thinner, greener, lower light compensation
point, more efficient photosynthetic apparatus
Day neutral plants - answerplants that simply flower at some stage of growth with no
regard to the length of day or night
The length of the __________ actually influences plant responses - answerdark period
Phytochrome - answera protein based pigment sensitive to red light, exists as 2
different forms in plants (P660 and P730)
__________ tons of sugar is produced by plants annually - answer100 billion
_____ of dry matter in plants is from photosynthesis - answer94%
Majority of photosynthesis occurs in the ______ - answerocean
Only ___ of light that hits a leaf and water absorbed by plants is actually used in
photosynthesis - answer1%
Photosynthesis formula - answer6CO2 + 6H2O =(light)= C6H12O6 + 6O2
You should prune a plant that flowers on old wood ______ it flowers - answerafter
