Test Bank Study Guide Graded A+

Carbon is an essential plant element. Plants obtain carbon from carbon dioxide gas (CO2). Air on the average contains what percent CO2? A. 0.30 percent B. 30 percent C. 0.03 percent D. 3 percent {Ans: C. 0.03 percent}An appropriate lightweight wire to use for corsage construction is: A. #18 gauge B. #9 gauge C. #22 gauge D. #28 gauge {Ans: D. #28 gauge}Amaryllis also known as _____________ a) Hosta spp. b) Hippeastrum hybrids c) Hydrangea d) Hibiscus moscheutos/H. hybrids {Ans: b) Hippeastrum hybrids}Joe placed a box of apples in his flower cooler. The next day he saw some cut flowers looking bad and deteriorating. Could the apples have caused this problem? a. Yes, fruit produces ethylene gas which can cause flowers to senesce. b. Yes, diseases on fruit are easily transferred to cut flowers causing their deterioration. c. No, storing fruit in a cooler with cut flowers in never a problem. The flowers deteriorated from some other pathogen, d. No, the apples could not have caused damage to the cut flowers in such a short time. {Ans: a. Yes, fruit produces ethylene gas which can cause flowers to senesce.}Botrytis often presents itself on flowers as gray