Basic Crop Science
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| What are the 3 crops grown throughout the world? | show 🗑
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| show | Overall acreage production stayed the same
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| In our discussion in class, we determined that approximately 1 month of corn is currently in storage for future use. In reality, it is 1.5 months. How much cotton is currently in storage? | show 🗑
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| show | Rotations may require specialized equipment and increase equipment cost
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| show | Symbiotic
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| show | 2 million
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| Which of the following are sciences that are involved in crop production? | show 🗑
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| show | California, Iowa, and Texas
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| Which statement best describes the current land available for food production (arable) as compared to the worlds populations? | show 🗑
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| A "biennial" plant has what characteristics with respect of life span? | show 🗑
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| The "Circle of Poison" refers to which of the following: | show 🗑
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| show | True
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| When food production occurs on a relatively small area where inputs and overall yields are generally high, this is called? | show 🗑
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| show | Decrease
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| If you were a hunter/gatherer on a deserted island, which of the following characteristic would be the least desirable in a crop that you might eventually plant? | show 🗑
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| The following scientists is considered to be responsible for producing a botanical classification system that is currently used to describe plants on a universal basis: | show 🗑
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| show | Grain crop
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| show | Cotton
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| T or F: Rice is considered a "hydrophyte". | show 🗑
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| show | Plants that grow best when soil salinity is extremely high
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| show | none of the above
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| Temperature, water, soil pH, and soil nutrient content are examples of what type of environmental factor in crop production? | show 🗑
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| What is the specific term for the chemical suppression of one plant by another? In this case, one plant is not affected while the other one is detrimentally affected. | show 🗑
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| Regular, intentional planting of successive crops on a field for the purpose of maximizing soil health, pest management, erosion control organic matter, and economically sustainable crop of forage production is called: | show 🗑
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| T or F: deciduous plants lose their leaves at the end of their growing season. In terms of ag production, this would include fruit and nut trees. | show 🗑
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| Some plants grow in the rosette stage the first year, then flower and die the second year. What is this called? | show 🗑
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| show | Cover crop
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| The scientific name for "wheat" is: | show 🗑
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| Which of the following terms best describes the response of Palmer amaranth to glyphosate? | show 🗑
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| Grasses are members of which of the following plant families? | show 🗑
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| What has a negative affect on one plant but little or no effect on the other? | show 🗑
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| show | Leguminosae and Fabaeae
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| The following factor is not a biotic factor in the ecological system: | show 🗑
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| Which of the following is an abiotic factor in the ecological system? | show 🗑
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| When a grass weed competes with a crop like soybeans, the resulting interaction is called? | show 🗑
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| show | Plant legume cover crops in the winter for organic matter and N
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| How much of their disposable income do Americans spend on food at home? | show 🗑
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| Norman Bourlaug was a brillant scientist that developed wheat cultivars that resisted lodging. In what country did he do most of his work? | show 🗑
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| show | (all of the above) decreasing famine in underdeveloped countries, teaching people how to be more self-suffiecent, being the leader and the "father" of the Green Revolution, and being willing to work in the underdeveloped countries
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| show | 50%
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| show | Potassium
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| show | Brace roots
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| show | False
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| Which of the following is not an advantage of vertical tillage? | show 🗑
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| In what organelle does photosynthesis take place? | show 🗑
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| show | None of the above
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| The function of the root system includes which of the following? | show 🗑
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| What factors cause corn to lodge? | show 🗑
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| show | 50%
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| show | Etiolation
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| In a recent poll, it was noted that the Irish potato is the most popular “corm” in the world, with over 92% of U.S. citizens eating French fries everyday. This statement is not true because: | show 🗑
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| During the winter of 2011, several corn fields (V6 stage with 6 nodes) in Alabama were hit by freezing temperatures. After several days, the corn failed to recover and the field had to be replanted. Why? | show 🗑
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| Soybeans are considered legumes and can produce their own nitrogen. On the soybean, what type of leaf is the first true leaf after the cotyledons? | show 🗑
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| In respiration, ATP is produced from sucrose + oxygen + ADP + Pi. What is this set of reactions referred to as? | show 🗑
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| show | Genotype
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| Soil water that has a very strong tension (-10,000 bars) and is not available for plant use is called “water of adhesion”. What is the water called that is available for plant use and is held at 1/3 bar? It is the “water of….” | show 🗑
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| show | Wind and water
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| show | No-till drill
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| show | 45% Mineral + 5% O.M. + 25% water + 25% air
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| show | Seed to soil contact
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| What method(s) can be used to break physical and physiological seed dormancies? | show 🗑
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| What structure(s) provide food for “corn” seedlings before photosynthesis takes over? | show 🗑
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| show | Poppin’ Johnnies
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| What country is the center of origin for cotton? | show 🗑
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| True or False: Seed viability is a measure of the % of seeds that will sprout and grow under the current conditions. | show 🗑
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| show | Develops in a shoot
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| show | Cardinal temps
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| What is the process called where parent material goes through changes that make it able to support life? | show 🗑
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| show | Seed moisture
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| show | Arachis hypogaea L.
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| If a plant trait is not always expressed by the plant but can be passed on from generation to generation, that trait is said to be: | show 🗑
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| T or F: In plant inheritance, phenotypic expression cannot be changed by environment and management. | show 🗑
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| In a fertilizer analysis, the levels of N-P-K are provided on the bag or on the appropriate labeling. What does N-P-K stand for? | show 🗑
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| show | Tropical environment
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| In African countries, what percentage of the farm work is done by women? | show 🗑
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| show | Gene gun & Agrobacterium tumefasciens
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| show | Sally fox
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| John Deere (the man) was a blacksmith who was able to use his talent to help make the mid-west into a productive “bread basket” for the U.S. What implement did he invent? | show 🗑
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| show | How the plant looks vegetatively and its general growth habit
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| show | China
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| John Deere made his first plow out of: | show 🗑
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| show | 25% and 25%
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| Which crop has “brace roots” to help keep it anchored to the soil? | show 🗑
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| There are 2 major problems with land applying poultry manure on crop fields and pasture. One is phosphorus content. What is the other? | show 🗑
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| show | Corn
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| show | True
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| show | Cotton
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| show | climate, vegetation, time, parent material, topography
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| show | -1/3 bars
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| What would the typical range of organic matter be in a typical Alabama soil? | show 🗑
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| When John Deere (the company) decided to start making and marketing tractors, they bought the “Waterloo Boy” company that made motors. What type of fuel did the Waterloo Boy tractor utilize? | show 🗑
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| What other names for “peanut” are used across the world? | show 🗑
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| show | O&A
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| Using a Punnett’s Square to illustrate the crossing of two parents (TT = tall and tt = short), what percentage of the offspring is considered heterozygous (Tt)? | show 🗑
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| show | Deer
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| True or False: Corn is a dioecious plant because it has male and female flowers on separate plants. | show 🗑
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| There are three basic types of inflorescence for grasses. These include: spike, raceme, and _______________ . | show 🗑
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| show | none of the above
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| show | Disk and Ray
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| Historically, which type of soybean have we typically planted and grown in the South? | show 🗑
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| show | Vernalization
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| show | Darkness
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| show | False
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| show | Cotton
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| Two advantages of asexual reproduction are: | show 🗑
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| We discussed a term coined by an ag economist called the “dead cat bounce”. The use of this term simply means that: | show 🗑
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| Crop rotations help with breaking the cycles of insects, diseases, weeds, and nematodes. The following crop sequence should NOT be used by producers: | show 🗑
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| show | True
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| True or False: Producers of “organic” farm products cannot use Bacillus thuringiensis (Bt) to control worm pests, regardless of whether it is applied as a spray or is genetically engineered into the plant. | show 🗑
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| show | Produces pollen on the male plants and seeds on the female plants
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| show | PHS-Pinhead square
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Created by:
klr0021
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