LOUISIANA HORTICULTURE TEST STUDY GUIDE

1. What is the difference between a cultivar and a variety? A. Cultivars grow in the wild; varieties are lab-developed B. Cultivars are selected and maintained by propagation; varieties occur naturally C. Varieties are hybrids; cultivars are pure strains D. Cultivars are wild plants; varieties are garden plants ________________________________________ 2. Who is Linnaeus and what did he create? A. An English explorer who mapped plant roots B. An American botanist who discovered photosynthesis C. A Swedish botanist who created the binomial nomenclature system D. A German chemist who invented fertilizers ________________________________________ 3. Why is it important to know both common and scientific names of plants? A. To impress clients with scientific language B. To avoid confusion when identifying plants C. To improve fertilizer usage D. To calculate photosynthesis rates ________________________________________ 4. Which of the following is NOT an origin of botanical names? A. Country of origin B. Soil pH C. Names of explorers D. Descriptive Latin terms ________________________________________ 5. Which is NOT a typical grouping when classifying plants by growth characteristics? A. Life span B. Seed color C. Leaf retention D. Growth habit ________________________________________ 6. Which of the following is NOT a function of a root system? A. Absorption B. Anchorage C. Photosynthesis D. Storage ________________________________________ 7. What are the two types of root systems? A. Lateral and vertical B. Fibrous and taproot C. Aerial and basal D. Primary and secondary ________________________________________ 8. Which of the following is NOT a function of the stem? A. Support B. Photosynthesis C. Conduction D. Storage