2001 Quiz Bowl Questions

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2001 Quiz Bowl Questions Name one of the 2 top crops in the United States with the highest herbicide use by total pounds. Corn or soybeans What is the outermost layer of the insect integument called? Epicuticle
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2001 Quiz Bowl Questions Name one of the 2 top crops in the United States with the highest herbicide use by total pounds. Corn or soybeans What is the outermost layer of the insect integument called? Epicuticle This micronutrient is important in alfalfa production. A deficiency results in yellow to reddishyellow discoloration of the upper leaflets. Boron What are the three sides of the disease triangle? Environment, pathogen, host What is the bar matric potential of a field at wilting point? -15 bars What do the initials GMO stand for and give an example of an input trait present in some crops? genetically modified organisms; insect resistance What is the protein responsible for the hardening of the insect integument? sclerotin What is the soil bacterium with a growth habit similar to fungi? Actinomycetes What does Bt stand for? Bacillus thuringiensis What commercial crop has the most amount of land devoted to its production? Wheat 1 Name two visible symptoms on broadleaf crops that occur when a PGR herbicide is applied. Epinasty, leaf malformation What is the name of the hardened and leathery front wings of a grasshopper? tegmina Who is the father of soil conservation? Hugh H. Bennett What disease is sweeping through the California vineyards? Pierce s disease Miscellanous At what temperature centigrade is water most dense? 4 C Name two visible symptoms on broadleaf crops that occur when a PGR herbicide is applied. Epinasty, leaf malformation Subfamily names in the animal kingdom always end with the suffix what? -idea What is loess? Wind blown silt What disease is transmitted by Polymyxa betae and is caused by Beet Necrotic Yellow Vein Virus in sugar beets? Rhizomania What is the term given to the attachment point of a bean to the pod? Hilum Name the herbicide mode of action that induces formation of oxygen compounds that destroy plant tissue by rupturing plant cell membranes. cell membrane disrupters 2 What is the main purpose of the insect thorax? locomotion Give the horizon designation for a soil profile containing a fragipan. Bx What is the best control of Bacterial blight in soybeans? Disease Resistance Name three major cloud types. Cirrus, Cumulus, Stratus Name the herbicide mode of action that prevents formation of molecules essential for integrity of cell membranes and new cell growth. lipid synthesis inhibitors Insects that feed primarily on animals are said to be this? zoophagous Name the soil order given to a soil formed in organic materials. Histosol Name a water mold disease in sugarbeets that can not be controlled with crop rotation. Apahonomyces, Pythium, Rhizomania What time of day does a full moon come up? Sunset Name the herbicide mode of action that affects multiple sites of action. PGR 3 An insect leg that is adapted for digging is called a) curosorial, b) fossorial, c) raptorial or d) saltatorial? What is the condition where the host is completely free from attack or injury by an infectious agent? Immunity Plants that are cytoplasmic male sterile do not bear seed unless pollinated by: a) a plant with the restorer genes, b) a plant with dominate reproductive parts, c) another male fertile plant, or d) their own pollen. Hydrated ion oxides give soils what color: brown, red, grey or yellow? Yellow What is the spread, transport, or transfer of inoculum called? Dissemination Higher soil ph is favored by: a) addition of sulfur, b) high annual rainfall, c) parent material rich in calcium and magnesium, or d) use of ammonium (N) fertilizers? Name one of the 2 top crops in the United States with the highest herbicide use by total pounds. Corn, soybeans In the system of hierarchical classification, the taxonomic category that belongs between Order and Phylum is what? Class Which of the following is associated with monocot leaves only: a) auricles, b) blade, c) petiole, d) stipules? What do the initials GMO stand for and give an example of an input trait present in some crops? genetically modified organisms; insect resistance 4 Another term for the adult stage of an insect is known as what? imago The Cation Exchange Capacity of a soil is greater when: a) clay concentration is less, b) organic matter What is the kingdom that contains organisms without organized nuclei? Prokaryotes Based on a given plant, which of the following would be the largest? a) cell, b) blade, c) protoplast, or d) tissue The surfactant type most often used in agricultural sprays are: a) RoundUp UltraMax, b) Accent Gold, c) Ionic, or d) Nonionic. Mosquitoes have what type of mouth part? piercing-sucking The grass species best adapted to wet soil conditions is: a) orchard grass, b) reed canary grass, c) smooth bromegrass, or d) tall fescue. Which of the following is a forb? a) western wheat grass, b) American licorice, c) goldenrod, or d) river birch Rhizoctonia root rot and stem rot occur under what environmental conditions? Cool and wet Scarification of hard seed generally shortens the time required for what to occor? Germination Name the herbicide mode of action that induces formation of oxygen compounds that destroy plant tissue by rupturing plant cell membranes. 5 cell membrane disrupters What is the estimated number of insect species identified? 1 million What is a non-chromosomal piece of DNA that is found in bacteria that may be moved between cells during conjugation? Plasmid What order of soils is formed under forest vegetation, highly weathered, acidic, and lighter in color? Alfisols 6
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