Hort 2050 Test 1 LSU Exam Questions And Answers

Hort 2050 Test 1 LSU Exam Questions And Answers What are the functions of the stem? - ANS To provide support and structure Vascular Tissue for water and food transport Storage Structure True or False: Arrangement of vascular tissues vary among plant types. - ANS True - ANS Monocot axillary bud - ANS A structure that has the potential to form a lateral shoot, or branch. The bud appears in the angle formed between a leaf and a stem. leaf scar - ANS a scar on a stem where a leaf has been attached in a previous year Lenticels - ANS Small raised areas in the bark of stems and roots that enable gas exchange between living cells and the outside air. Spur - ANS stronger, woodier attachment to the fruit Vine - ANS Weak stem that grows rapidly that uses other plants and structures for support, "climbs". tendril - ANS a slender threadlike appendage of a climbing plant, often growing in a spiral form, that stretches out and twines around any suitable support. Rhizomes/Stolons - ANS kind of vegetative propagation woody, underground stems -reproduce through new, upright stems that appear in intervals, eventually growing into independent plants Stolon above/Rhizome Below Tuber - ANS a swollen underground stem True or False: A sweet potato is a stem/tuber and the regular potato is a root. - ANS False: A sweet potato is a root and an Irish potato is a a stem/tuber Bulb - ANS the round underground part of some plants, shaped like an onion, that grows into a new plant every year Corms - ANS superficially resemble bulbs, but have no fleshy leaves What are leaves? - ANS Solar panels of the plant primary sight of photosynthesis Exchange of gases Transpiration Protection monocot - ANS An angiosperm that has only one seed leaf. Dicot - ANS An angiosperm that has two seed leaves petiole - ANS The stalk of a leaf, which joins the leaf to a node of the stem. leaf blade - ANS large broad part of the leaf sessile leaf - ANS leaf without petiole Stipules - ANS a pair of leaf like appendages at the base of the petiole compound leaf - ANS A leaf in which the blade is divided into two or more smaller leaflets Rachis - ANS Main feather shaft reticulate venation - ANS as seen in dicots, veins arise from a single central vein, or midrib, to form a complicated network. Pinnate - ANS A leaf vein pattern that looks like a feather. There is one main vein that has smaller veins branching off sideways from it. Playmate - ANS webbed Gymnosperms - ANS Needle or scale like leaves root - ANS Absorb and conduct water and nutrients anchorage and support storage organ Root can amount for 1/2 to 1/3 of the plants total ______ _____. - ANS Dry weight What are the functions of flowers? - ANS Sexual reproduction Attract Pollinators Develop into fruit and seed after pollination inflorescence - ANS A group of flowers tightly clustered together. solitary flower - ANS Flowers borne one to a stem. Examples include tulip, narcissus, and rose. carpel - ANS The female reproductive organ of a flower, consisting of the stigma, style, and ovary. Stamen - ANS Male part of the flower Petals - ANS modified leaves which are usually bright in color to attract pollinators. Sepals - ANS Leaflike parts that cover and protect the flower bud Whorls - ANS Fingerprint patterns that resemble small whirlpools revolving around a point. Sepals --- _______________