GEORGIA PESTICIDE EXAM (Study Guide)2024/2025 ACTUAL EXAM COMPLETE QUESTIONS WITH 100% C, Exams of Nursing

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GEORGIA PESTICIDE EXAM (Study Guide)2024/

ACTUAL EXAM COMPLETE QUESTIONS WITH 100%

CORRECT VERIFIED ANSWERS GRADED A

Symptoms or signs may identify plant diseases, which of the following is a disease sign? a. Fungus growth on leaves b. Wilting C. Rotten Roots d. All of the Above A. Fungus on leaves Symptom- the reaction of the host plant to invasion by the parasite. I.E. Wilting Sign- physical evidence of a pathogen, such as visible growth of fungus spores Protecting groundwater from contamination is important because Georgia citizens depend on groundwater as the source for drinking water.What percentage of Georgia citizens get their drinking water from groundwater sources? a. 15%-25% b.35%-45% c.55%-65% d. 65%-75% d. 65%-75% Verticillium wilt can be an important plant disease. In what region of Georgia is this disease most likely to occur? a. North Georgia b. East Georgia c. West Georgia d. South Georgia a. North Georgia

Pathogens that cause wilt disease enters the plant through the roots. Verticillium Wilt- Fungus; normally occurs in cooler areas with lower soil temperatures, When does groundwater form? a. When water moves below the earth's surface to fill empty spaces in and around rocks and porous materials like sand. b. When water collects into lakes, ponds, and streams on the surface of the ground c. When more water is pumped from the ground than is replenished by rain d. When man's activities deform and rebuild the earth's surface A. A plant has the following symptoms. Yellow bands form around the leaf veins, and the plant is stunted. What is the most likely cause for this disease? a) Nematode b) virus c) fungus d) bacterium B. Why should we protect endangered species? a. many medicines are derived from plants b. genetic material of wild species is used to revitalize domestic species c. if a species becomes extinct, it can never be recovered d. all of the above d. Which of the following is not an inorganic fungicide? a. sulfur b. copper oxide c. captan Bordeaux Mixture c.

Fusarium wilt is often caused by an interaction between what two organisms? a. nematodes and fungi b. nematodes and bacteria c. nematodes and virus d. all of the above a Which of the following is a principle cause of the decline of plant and animal species? a. pesticides b.legal hunting activities c. pollution d. loss of habitat d T/F Soil fumigants are the only pesticide option to control nematodes. f Which of the following federal agencies regulates pesticides to protect endangered species? a. U.S. EPA b. USDA c. U.S. Fish and Wildlife Service d. U.S. Forest Service a T/F A warm season annual is a plant that emerges from seed in the fall and dies before summer. f What types of annual broadleaf weeds are the most difficult to control with preemergence herbicides? a. small seeded broadleaf because the herbicide is less likely to contact the seed. b. large seeded broadleaf because the seeds may emerge below the herbicide zone c. broadleaves with burr seeds (cockleburr) because the burrs provide protection from herbicides d. broadleaves with any size seeds that emerge very near the soil surface. b

T/F Soil-applied preemergence herbicides are generally more effective if they are applied after the weed seeds germinate. f T/F A selective herbicide is one that is selected by the Georgia Coorperative Extension Service because it will control a wide range of broadleaf weeds and grasses. f T/F Some contact herbicides may provide residual control as well as contact kill. t Why are some weeds named annuals? a. because you will see them nearly every year b. because they have vegetative plant parts which permit survival from year to year c. because they have a one year life cycle d. because the latin word "nuual" refers to plants that produce large numbers of seeds c You can prevent significant economic losses due o weeds if you keep the crop free of weeds for this period. a. ten weeks after crop emergence b. four to seven weeks after crop emergence c. four to seven weeks before the crop sets fruit d. four to seven weeks during the middle part of the growing season b T/F The substituted urea herbicides generally inhibit photosynthesis. t Which of the following methods can be used to obtain selective activity with herbicides? a. mixing with nitrogen rich fertilizer b. application timing

c. following herbicide application with insecticide application to kill all pests d. Banking soil around weeds to improve herbicide absorption b What organisms cause most wilt disease? a. Fusarium, Verticillium, Psuedomonas b. Anthracnose, Seportia, and Helminthosporium c. Many types of viruses d. Nematodes a What U.S. EPA regulation was passed to protect agricultural employees from pesticide risks? a. The worker protection standard b. The agricultural safety act c. the employee pesticide protection amendment d. the occupational safety regulation a What is the most important step in dealing with a serious insect problem? a. encouraging an area-wide spray program b. using the proper spray equipment c. identifying the pest properly d. immediately planting a trap crop adjacent to the field c Pesticide storage, mixing, and rinsing activities should be at least this far from a well. a. 25 ft b. 50 ft c. 75 ft d. 100 ft d

Which of the following will help prevent pesticide movement into the well when you are applying pesticide through an irrigation system? a. flag fan nozzles instead of hollow cone nozzles b. check valve or pressure switch c. high pressure instead of low pressure d. feeder lines connected directly to low pressure tank between high pressure linkage b The indigo snake is glossy black, 5-7 feet long, and similar to a black rat snake. The color of the chin and sides of the head will help identify the indigo snake. What color are the chin and sides of the head of the indigo snake? a. bluish or greenish b. black, reddish, or brownish c. greenish with a red stripe d. yellowish with a series of redspots b Wood storks will travel up to 80 miles from nesting sites to feed. Where do wood storks typically feed? a. in deep water ponds and lakes b. open fields c. shallow ponds and ditches d. wooded areas c Which of the following is a soil inhabiting insect larva? a) soil aphid b) wireworm c)European corn borer d) fall armyworm b Systemic insecticides are often a good option for controlling sucking insects. Which of the following pests are sucking insects?

a. white grubs and wireworms b. Mexican bean beetles and white-fringed beetles c. Many types of caterpillars d. aphids and stinkbugs d Pest resistance to pesticides is an important problem. How can you help to avoid pest resistance? a. Plant the same crops in the same field as often as possible b. stick wih one kind of pesticide throughout the entire season unless it is no longer effective c. create a refuge to maintain a susceptible population of pests d. use a broad spectrum pesticide whenever possible c or d??? Anthracnose, scab, leaf blotch, and shot hole are examples of which kind of plant disease? a. Leaf spots b. virus c. stem blights d. wilts a What material is typically used to calibrate granular pesticide spreaders? a. sand b. clay particles c. the pesticide d. "blanks" from the pesticide dealer c For plant diseases, what does the term "contagious" mean? a. the disease can be passed from plant to plant b. the disease is caused by mechanical injury that occurs all the way down the row c. the disease can cause complete crop loss d. the disease occurs harmlessly in the soil until a susceptible crop is planted

a Disease symptoms and signs are caused by interaction between: a. host plant and pathogen b. the pathogen and the environment c. the environment and the plant d. all of the above d What type of habitat is preferred by the endangered indigo snake? a. swamps or adjacent ponds b. pine woods with scant undergrowth c. wooded or brushy sandy uplands or adjoining low areas d. mixed hardwoods with heavy clay soil for burrowing c Which of the following is probably not a soil-borne disease? a. Fusarium Wilt b. rust c. Verticllium Wilt Crown Rot b Which Federal agency classifies endangered or threatened species? a. U.S. EPA b. U.S. Fish and Wildlife c. USDA d. U.S. ForestSevice b Which of the following is an example of point source pollution? unwanted pesticides are thrown down an abandoned, dry well b. pesticides from aerial applications across the county contaminate a sfishing lake

c. poorly emptied pesticide containers from across the county cause a fish kill d. the exhaust from farm vehicles contributes to poor air quality a T/F Uniform injury throughout the field often indicates a nematode infestation. b T/F A characteristic lesion that occurs near the base of the upper leaves can usually identify viral plant disease. b To determine if a field is infested with nematodes, where should soil samples be taken? a. randomly throughout the field b. from the center of the suspected area c. with a straight line sampling method that passes through the center of the suspect area d. from the edge of suspected area d Leaching can result in groundwater contamination. What is leaching? a. movement of pesticide down through the soil b. movement of pesticide along surface of the soil until it reaches a well or sink-hole c. movement of pesticide back through a hose or irrigation equipment. d. movement of pesticide from nonpoint sources into surface drinking water that rises from an underground spring a Which of the following traits make a pesticide more likely to cause groundwater contamination? a. the types of pesticides and the signal word (DANGER, CAUTION) b. water solubility and persistence c. chronic toxicity and diluent d. acute toxicity and formulation bd

What does it mean if a species is classified as endangered? a. the species is only found in a small number of areas in the U.S. b. the species is of particular interest to poachers or collectors c. the species reproduces very slowly or has few offspring d. the species is in danger of becoming extinct d When are seedling diseases most likely to occur? a. during the first one or two weeks after seedling emergence b. during the period when plants are forming new seeds that become seedlings the next season. c. during periods of hot, dry weather d. during periods of high insect activity a To be effective, when should you apply protectant fungicides? a. whenever insects become active because they spread fungal spores b. anytime, protectant fungicides will "protect" the plant even if the disease is already established. c. before the disease occurs d. only after you can clearly see fungus growing on the plant c Which of the following organisms cause leafspot disease? a. plant ringworm b. bacteria and fungi c. certain kinds of insects d. all of the above under certain conditions b Which of the following pests compete with plants for light, moisture, and nutrients? a. insects b. nematodes c. weeds d. all of the above

c Some weevills are important plant pests. Which insect category includes weevils? a. foliage feeders b. sucking insects c. beetles d. borers and tunnelers c Why are some weeds referred to as biennials? a. they always occur in association with another organism b. they are identified by distinctive two-leaved structures c. they have two ways of reproducing d. their life cycles lasts for two years d Why are some weeds referred to as perennials? a. the name comes from the Latin word for seed (peres) b. they reproduce by seed each year and die c. vegetative parts permit survival from one year to the next d. they are commonly associated with pest insects or disease c Which of the following pests reproduce with rhizomes? a. insects b. viruses c. perennial weeds d. biennial weeds c How can you avoid back-siphoning when you are filling a tank with hose? a. leave an air gap between the hose and the liquid in the tank b.keep the end of the hose near bottom of the spray tank during the fill process

c. fill the tank completely. Adjust the amount of pesticide added to maintain proper mix. d. allow the hose to completely drain into the tank before you remove the hose a Groundwater contamination is the most likely when pesticides are applied to what kind soil? a. clay soil b. soil with large amount of organic c. loamy soil d. sandy soil d What underground geologic features are typical of the Coastal Plain? a. a layer of sand with a layer of metamorphic rock, such as granite, underneath b. alternating layers of sand, clay, and limestone c. an immense layer of sand that stretches from the surface to the groundwater d. a uniform mixture of sand the dolomitic limestone b Which of the following will affect weed control? a. crop rotation b. planting date c. seedbed preparation d. all of the above d Which of following herbicide types can be applied effectively as a directed spray after the crop and the weeds have emerged? a. trans-located soil herbicides b. phenoxy herbicides, such as 2-4D c. Contact herbicides d. any kind of herbicide c

Moths and butterflies are often serious plant pests. Which life stage of the moth/butterfly causes damage? a. the adult b. the larva c. the pupa d. all life stages can cause plant damage if population is high b Which of the following is a selective herbicide? a. paraquat (gramoxone) b. glyphosate (RoundUp) c. atrazine (aatrex) d. bromacil (hyvar) c When should a drop spreader be used to apply pesticide? a. to apply pesticides subject to drift because larger droplets are produced b. to apply liquid pesticide to the drop, root, zone c. to apply dust pesticides d. to apply granular pesticides d Which of the following modes of action describes how the dinitroaniline herbicides(balan, prowl, treflan) kill plants? a. disruption of respiration b. disruption of cell division c. disruption of photosynthesis d. disruption of hormone regulation b When are nematode problems more likely to be observed? a. soil moisture is low and fertility is high b. soil moisture is high and fertility is high

c. when soil moisture is low and fertility is low d. when soil moisture is high and fertility is low c which of following indicates infection by a fungal wilt disease? a. extensive root rot on living b. brown stem discoloration that is apparent when the stem is cut lengthwise c. Knots or fungal nodules on the feeder roots d. fungal spores on the leaves surrounded by a halo c where do foliage diseases occur? a. leaves, flowers, fruit, and stems b. leaves, flowers, and fruit c. leaves and flowers d. leaves only a Which of the following insects does not have the four life stages of complete metamorphosis, egg, larva, pupa, and adult? a. beetles b. sucking insects c. borers and tunnelers d. weevils b Sooty mold can be a serious plant disease because the mold reduces the penetration of sunlight into the leaves. Which of the following insects often leads to the growth of sooty mold? a. leaf feeding beetles b. borers c. sucking insects d. weevils

c what does the term "symptom" refer to? a. a foliar disease b. plant reaction to a disease c. the growth of a fungus on the stem or stem or leaf d. conditions that favor development of a disease b Rusts are most commonly a disease of which crops? a. cotton and soybean b. tobacco and corn c. vegetables and fruits d. grains and grasses d Mosaic patterns, vein banding, and ring spots would indicate what type of plant disease? a. viral infection b. bacterial infection c. nematodes d. fungal disease a Which weed category includes Texas panicum, fall panicum, and sandbur? a. annual grasses b. annual broadleaves c. biennials d. perennials a Which weed category includes common cocklebur, sicklepod, coffee senna, and morningglory? a. broadleaf perennials b. large seeded biennials

c. annual large-seeded broadleaves d. annual large-seeded perennials c Which of the following weeds is a small-seeded broadleaf annual? a. bristly starbur b. wild carrot c. horse nettle d. pigweed d Sanitation can be an important nonchemical way to manage pest populations. Which of the following is an example of sanitation? a. changing crops from year to year b. careful cleaning of equipment before moving between fields c. growing crops that can withstand a particular disease d. cultivating between rows as weed populations increase b If you double the ground speed of the sprayer, how does the new speed affect the amount of pesticide being applied? a. the amount of pesticide applied is not changed b. the amount of pesticide is decreased by 50% or (1/2) c. the amount of pesticide is also doubled d. the amount of pesticide applied is reduced by the square of the new speed b Which nozzle is the most popular for fungicide applications? a. hollow cone b. flat fan c. flood d. even fan

a Which of the following variables does not affect the amount of spray mixture that is applied per acre? a. ground speed of the sprayer b. effective sprayed width c. nozzle flow rate d. pesticide formulation d What is the best way to find out if a pesticide can be injected into an irrigation system? a. refer to the pesticide label b. refer the irrigation equipment manual c. refer to the internet d. refer to the dealer representative a Which of the following insects is an important foliar pest of cotton, soybean, peanut, tomato, tobacco, and other crops? a. white grubs b. corn earworm c. wireworm d. european corn borer d When should pesticides be applied to control insect pests that bore into the plant stems? a. as the insects emerge from the stem b. as the insects pupate c. before the insect larvae bore into the plant d. when the insects are in the adult stage c Run-off, run-in, and leaching are examples of what type of pollution? a. point source

b. general or unclassified contamination c. surface contamination d. non-point source d Which of the following is a carbamate insecticide? a. chlorpyrifos (Lorsban) b. cypermethrin (cymbush) c. acephate (Orthene) d. carbaryl (Sevin) d Which of the following is organophosphate insecticide? a. chlorpyrifos (Lorsban) b. alachlor (Lasso) c. Methomly (Lannate) d. Cyfluthrin (Baythroid) a What term refers to the amount of pesticide that is allowed to legally remain on a commodity? a.residue b. drift c. tolerance d. acceptable average level c How can you reduce the risk of pytotoxicity? a. apply pesticides during bright, hot weather to ensure quick drying b. mix pesticides together to reduce the total number of applications c. use highly concentrated applications to avoid excessive water on the plants d. avoid application of pesticides to plants under environmental stress d

Injury from triazine herbicides if similar to injury from substituted ureas because they have the same mode of action. What is their mode action? a. inhibition of photosynthesis b. inhibition of leaf expansion c. inhibition of lipid synthesis d. inhibition of amino acid synthesis a Which of the following is a pyrethroid insecticide? a. dimethoate (cygon) b. cyfluthrin (baythroid) c. azinphos-methyl (guthion) d. bacillus thuringienis (dipel) b If you wish to double the flow rate, how much would you have to increase the spray pressure? a. increase pressure 50% b. double the pressure c. increase the pressure four times d. decrease the pressure by 50% c If you double the effective spray width, how is the spray application rate affected? a. the rate is doubled b. the rate is increased four times c. the rate is decreased by 1/ d. the rate is unchanged c Suppose a wettable powder is 50% active ingredient (50WP). How much of the formulated pesticide product should you use if you need to apply 2 pounds of active ingredient per acre? a. 2 lbs b. 4lbs

c. 8lbs d. 1 lbs b Which of the following is a microbial pesticide? a. methomyl (lannate) b. bacillus thuringiensis (dipel) c. benomyl (benlate) d. permethrin (pounce) b Which of the following is a major aquifer of the Coastal Plain? a. Floridian b. Alabamian c. Georgian d. Carolinian a Reducing selection pressure is a good way to manage resistance to pesticides. How can you reduce selection pressure? a. apply broad spectrum insecticides whenever possible b. apply broad spectrum herbicides whenever possible c. reduce pesticide rate whenever possible d. increase frequency of pesticide application whenever possible c What size filter mesh is adequate for most purposes? a. 200 mesh b. 100 mesh c. 75 mesh d. 50 mesh d

Which of the following insecticide groups is active at much lower rates than many other insecticides? a. pyrethroids b. carbamates c. organophosphates d. chlorinated hydrocarbons a T/F With some exceptions, seedling weeds are more tolerant of herbicides because the smaller weeds are able to grow back more quickly. f Soil-applied, translocated preemergence herbicides are highly effective for controlling what kind of weeds? a. perennials b. biennials c. annuals d. grasses c When sampling for nematodes, how many soil samples should you take per acre? a. 4 b. 6 c. 8 d. 10 d Suppose you observe these two symptoms: dark canker that may girdle the stem at the soil line and soft, watery rot at the soil line. What disease is the most likely cause of these symptoms? a. damping off b. crown rot c. stem canker d. root rot

a T/F Plant diseases are mutually exclusive. In other words, a plant will only have one disease at a time. f What group of insects includes borers and tunnelers? a. beetles b. sucking insects c. caterpillars d. soil inhabiting larvae c