Horticulture 2000 - Test 2: Spring 2011 - Prof. Berle, Exams of Gardening and Horticulture

Download Horticulture 2000 - Test 2: Spring 2011 - Prof. Berle and more Exams Gardening and Horticulture in PDF only on Docsity! Horticulture 2000 Test 2: Spring 2011 Version: 777 Name: _______________________ 810# ____________________ Each question is worth 2 Points. You Have 50 minutes to Answer 50 Questions. Select the BEST answer, first on the test sheet then transfer the answers to the scan form. This test has questions generated from a pool of questions. Don’t be thrown by similar questions. 1) The requirement that a plant must have a cold period prior to flower bud initiation is called _____. A. vernalization B. cold hardiness C. stratification D. indemnification 2) Which fruit is grown as an annual in California? A. banana B. orange C. peach D. strawberry 3) One of the primary differences in producing vegetables versus producing fruit is A. Fruit trees are cheaper to plant B. Fruit plants are perennials C. Fruit plants prefer a lower pH D. Fruit plants require pollination to bear fruit 4) A plant that liked acidic soil conditions would prefer… A. lime B. a sandy soil C. a pH of 5.0 D. a PH of 6.5 5) With self-pollinating plants, pollen from one cultivar will NOT fertilize an ovule from the same cultivar. A. True B. False 6) The primary ingredient in lime that raises soil ph is sulfur? A. True B. False 7) Fungicides kill … A. insects B. vectors C. pathogens D. plants 8) A 100 pound bag of 10-20-10 has ________ lbs. ACTUAL POTASSIUM? A. 10 B. 100 C. 25 D. 20 9) Being self unfruitful means… A. Having fruit with a low self esteem B. Having separate male and female plants C. Requiring pollen from a different species D. Requiring pollen from a different cultivar 10) A pesticide with an LD50 of 10 is … A. more toxic than one with an LD50 of 20 B. less toxic than one with a LD50 of 50 C. less toxic than one with LD50 of 5000 D. will only harm the pest it is labeled to control 11) Which if the following encourages genetic diversity among horticulture crops. 2 A. cloning B. apomixis C.grafting D. open pollination 12) Which of the following is annual, stem, and vegetable? A. Potato B. Tomato C. Peach D. Spinach 13) Planting a resistant variety of squash, eliminates which point of the Disease Triangle? A. Host B. Environment C. Pathogen 14) The major region in the US for apple production is… A. Southeast B. Northeast C. Florida D. Northwest 15) A peach could be considered… A. Annual, pome and seed B. Annual, berry and fruit C. Perennial, drupe and fruit 16) Which of the following fertilizer elements is required in the least amount by plants? A. calcium B. potassium C. magnesium D. copper 17) Which is the best water regime to encourage deep root systems? A. water frequently for short periods of time B. water less often, longer C. doesn’t make a difference D. I was searching the Web during that lecture and have no idea what you are talking about 18) Which of the following is correct for the optimum pH range required by plants? A. It enhances the availability of water to plants B. It controls the amount of oxygen available in the growing medium C. It maximizes the absorption of essential nutrients by roots D. It limits the growth of soil microorganisms 19) The Cation Exchange Capacity (CEC) of soil is a function of the ________ of the soil. A. drainage B. water holding capacity C) texture D. compaction 20) Potting materials used in greenhouse containers are called __________ or _______, instead of soil A. substrate:media B. peat:sulfur C. dirt:compost 21) Grafting apples requires a top and a bottom component, respectively called the … A. cutting:rootstock B. bud:shoot C. scion:rootstock D. leaf:stem 22) To make crops last longer after harvest you should…. A. Increase oxygen levels B. Decrease oxygen and increase CO2 C. Decrease CO2 D. Increase oxygen and decrease CO2 23) During post harvest handling, some fruit is lost. What % of harvested fruit actually gets to the table? A. 50% B. 10% C. 90% D. 0% 24) Anti-oxidants are…. A. A para-military group fighting the current regime B. Chemicals that prevent erosion C. Substances to promote cell division 3