NCSU HS201 Exam 3 Practice Questions and Correct Answers
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Course
HS201
Institution
HS201
Types of Tree Bark warty, wrinkly, interlacing ridges, lenticels, peeling, blocky, splotchy, ridges, and spiny
Example of tree with interlacing ridges Kentucky Coffee Tree, reminds Brian of the soft serve ice cream from the tomato restaurant
Example of tree with bark with lenticels cherry blossom...
NCSU HS201 Exam 3 Practice Questions and Cor rect Answers Types of Tree Bark ✅warty, wrinkly, interlacing ridges, lenticels, peeling, blocky, splotchy, ridges, and spiny Example of tree with interlacing ridges ✅Kentucky Coffee Tree, reminds Brian of the soft serve ice cream from the tomato restaurant Example of tree with bark with lenticels ✅cherry blossom Example of tree with peeling bark ✅eucalyptus Bark extras ✅Alate (winged) and prickles (on roses) Major uses of bark ✅cork, spices and incense, phytotherapy, and ornament Tree used for cork ✅Quercus suber How often is cork harvested? ✅9-12 years; 12 harvests in a life time, starts at 25 years Portugal has _______ acres in cultivation ✅2 million Phytotherapy means ✅plant healing What tree species were used for pain killers since 400 BC and is the origin of aspirin? ✅Salix (willow) and Populus species The only plant research topic that is more prevalent than light is _________ ✅water Money is in _______ ✅light research Light effects on plant growth ✅Photosynthesis, pigment formation, seed germination, fall color, growth habit, size, flowering, and fruiting Plant pigments ✅carotene, xanthophyll, chlorophyll , and anthocyanin Carotene ✅orange Xanthophyll ✅yellow Chlorophyll ✅green Anthocyanin ✅red phototropism ✅plant response to light Plants grow _____ from light ✅away Auxin ✅plant 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 ✅growth occurs Lowlight area and plant that requires high light ✅no growth, slow death Light compensation point ✅rate of photosynthesis equals the rate of respiration (no growth, no death) Light saturation point ✅amount of light, beyond which no added benefit/growth is obtained Shade leave characteristics ✅larger, thinner, greener, lower light compensation point, more efficient photosynthetic apparatus Day neutral plants ✅plants 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 ✅dark period Phytochrome ✅a 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 ✅100 billion _____ of dry matter in plants is from photosynthesis ✅94% Majority of photosynthesis occurs in the ______ ✅ocean Only ___ of light that hits a leaf and water absorbed by plants is actually used in photosynthesis ✅1% Photosynthesis formula ✅6CO2 + 6H2O =(light)= C6H12O6 + 6O2
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