Category 1A Applicators Practice Exam

These questions are part of the practice quiz. Start practicing

• Why might a grower choose to apply a foliar contact herbicide?
• How does soil texture and organic matter affect the application rate of soil-applied herbicides?
• A signal word on a pesticide label indicates what aspect of the pesticide?
• Triazine herbicides are more likely to carry over on low pH soils than high pH soils?
• What is herbicide resistance?
• What is the action threshold?
• What is the primary concern when managing pests in an agricultural setting?
• What are the four stages in the life cycle of a weed?
• What factor can greatly affect the effectiveness of herbicides in controlling weeds?
• Which grass is characterized by long slender auricles?
• When a plant species eliminates other plants by releasing toxic chemicals, it is called:
• Which of the following is an example of a perennial grass weed?
• Which of the following is NOT a pest control method?
• What is the proper action when leftover chemical remains in a spray tank after application?
• What environmental condition could negatively affect the efficacy of herbicides?
• Which herbicide class affects amino acid synthesis?
• What is the primary function of translocated herbicides?
• Soil-applied herbicides are only translocated in the photosynthetic stream (phloem).
• The capacity of a pesticide to cause short-term (acute) or long-term (chronic) injury is referred to as its:
• Which of the following is true regarding the timing of herbicide applications?
• In controlling herbicide-resistant weeds, what is an essential agricultural practice?
• Repeated exposure to low levels of herbicides over a long period of time is known as what type of exposure?
• Where can you find the requirement for personal protective equipment (PPE) on a pesticide label?
• What is the main difference between selective and nonselective herbicides?
• Which type of pesticide is likely to remain effective for longer periods in the soil?
• What is a plant that germinates in the spring and dies in the fall of the same year termed as?
• Which description best fits grass?
• Which grass species has one leaf blade edge that is often crinkled?
• Which of the following best describes a creeping perennial?
• Is glyphosate classified as a plant growth regulator herbicide?
• When does a preventative herbicide application occur?
• What does reducing competition between a crop and weeds by changing the crop's planting population illustrate?
• What defines the term 'herbicide'?
• Which of the following is not a method of weed reproduction?
• What type of herbicide application would you use Acetyl CoA carboxylase (ACCase) inhibitors?
• Which inhibitor prevents the production of pigments that protect chlorophyll?
• If the recommended spray volume for broadcast spraying is 20 GPA, what volume is actually applied when using a 15-inch band over rows that are 30 inches apart?
• What is a recommended action to reduce the risk of developing pesticide-resistant pests?
• Which characteristic of annuals distinguishes them from perennials?
• Which herbicide application timing is critical for effectiveness?
• What is a disadvantage of postemergence herbicide applications?
• During which phase of the plant life cycle is energy directed towards producing flowers and seed?
• Which of the following describes a mechanical method of weed control?
• Which statement about sensitive areas is true?
• Which grass has hairs at the base of the blade and only on the upper surface?
• A sandy soil with 2 percent organic matter typically requires a higher rate of soil-applied herbicide than a clay loam soil with 5 percent organic matter.
• A common herbicide-resistance mechanism is altered herbicide site of action. Is this statement true or false?
• Systemic herbicides kill weeds on contact.
• Which environmental condition may prevent timely application of postemergent herbicides?
• What type of herbicide should be used to control perennials in an area that will be planted in about a month?
• Which feature is commonly associated with perennial weeds?
• What is the primary purpose of using preemergence herbicides?
• An aboveground creeping stem is called a:
• Which of the following is an example of a simple perennial plant?
• In which soil depth do most annual weeds typically germinate?
• What is the primary purpose of using a translocated herbicide?
• What defines a winter annual?
• Can air temperature impact vapor drift when applying pesticides?
• Which two factors should pesticide applicators consider to avoid spray drift?
• What kind of organic matter content is typically found in sandy soil?
• Which of the following statements best explains the impact of soil texture on herbicide efficacy?
• Herbicides are more likely to leach into groundwater when applied to sandy soils?
• What impacts the calibration and application of liquid products compared to granular products?
• A single exposure to a large amount of herbicide is _____ exposure.
• What characteristic is associated with yellow foxtail?
• What defines multiple resistance in plants regarding herbicides?
• What is the best way to reduce potential carryover of pesticides?
• What is cross resistance in plants with respect to herbicides?
• Soil-applied herbicides are only translocated in the photosynthetic stream?
• What action should be taken if pest damage is below the economic injury level?
• Which type of annual weed germinates in spring and dies in fall?
• Why are triazine herbicides less likely to carryover on high pH soils?
• Which of the following is a method used to apply herbicides?
• How long do annual plants complete their life cycle?
• What defines the aesthetic threshold in pest management?
• Which statement is true about protecting bees from pesticide injury?
• What is the economic threshold?
• Which of the following is an example of a perennial grass weed?
• Crop rotation and narrow crop rows are examples of cultural control?
• What does the term 'phloem' refer to?
• What phase of the plant life cycle is characterized by fast growth and the production of stems, roots, and leaves?
• Why is it important to integrate various herbicide mechanisms in a control strategy?
• In calibrating your sprayer after spraying 1/8 acre, you poured 4 1/8 gallons of water back to refill your 100 gallon tank. How many gallons of spray are you spraying?
• What is the purpose of using plant growth regulators?
• Which statement is true regarding preplant incorporated herbicide applications?
• Directions for mixing and loading a pesticide are usually found under:
• What is an advantage of postemergence herbicide applications?
• Weeds are easiest to control at which stage?
• Which of the following best describes the purpose of monitoring weather conditions during herbicide application?
• What is the correct classification for glyphosate?
• Sulfonylurea herbicides inhibit amino acid synthesis?
• Which herbicide class primarily affects root development?
• Which of the following is commonly used to reduce the toxicity of pesticides?
• In a broadcast sprayer application, if the spray tank capacity is 150 gallons and the spray rate is 30 gallons per acre, how many acres can be sprayed per tank?
• Which of the following is NOT a typical characteristic of systemic herbicides?
• Herbicides that are applied and mixed into the soil before crop planting are called ______ herbicides.
• Sedges are best described as?
• What does the precautionary statement on a pesticide label emphasize?
• Which of the following represents best practices for herbicide usage?
• To double the flow rate, you must increase the pressure:
• If a grower has a quackgrass problem in a soybean field where the soybeans already have three leaves, which type of herbicide application would be best?
• When calibrating a broadcast sprayer, you find that the average nozzle output is 25 ounces for the recorded travel time. What is the spray rate in gallons per acre?
• At what growth stage should herbicide applications target biennial plants?
• Triazine herbicides primarily show symptoms in which part of the plant?
• Preemergence herbicides generally require what within a week of application?
• An emulsifiable concentrate (EC) is a _____ formulation of a pesticide which can be mixed with another _____ to form an emulsion.
• What type of treatment involves applying a herbicide solution to the lower 12-24 inches of the stem of a woody plant?
• Can air temperature affect herbicide vapor drift?
• If you increase the nozzle pressure or use a larger nozzle tip opening, what happens to the flow rate?
• True or False: Systemic herbicides kill weeds on contact.
• Which type of herbicide should be applied over an extensive area where specific weeds are targeted?
• What type of herbicide is associated with buggy-whipping and malformed brace roots on corn?
• Most annual weed seeds germinate in the upper 1/2 inch of soil.
• The capability of a herbicide to cause injury or death is referred to as?
• Is it true or false that altered sites of action are a common herbicide-resistance mechanism?
• Which of the following is an example of a broadleaf weed?
• Which term describes the persistence of a herbicide in the environment?
• What influences the flow rate of granular pesticide products?
• What is the main action of sulfonylurea herbicides?
• What distance should you maintain from a specific bee location during pesticide application?
• What common feature helps to identify yellow foxtail?
• Which type of herbicides primarily affects new plant growth?
• A sandy soil with 2 percent organic matter would typically require a higher rate of soil-applied herbicide than a clay loam soil with 5 percent organic matter. This statement is:
• In which phase of the plant life cycle is there little or no energy production or movement of water and nutrients?
• What controls the seedhead production in plants?
• Which of the following is NOT a factor in the flow rate of granular pesticide products?
• What is a herbicide adjuvant?
• Glyphosate is an example of a plant growth regulator herbicide?
• What type of herbicide is best to kill thistle plants in an already growing pasture forage crop?
• What environmental condition increases the risk of pesticide volatility?
• To double the flow rate of a system, by how much must the pressure be increased?
• What does economic damage refer to in pest management?
• If the spray volume recommended for broadcast spraying is 20 GPA, what would be the actual volume applied on a per acre basis when applied in a 15-inch band over 30-inch rows?
• Which plant is characterized by stems covered with dark spots and true leaves that are rough textured?
• Plant growth regulators are used to:
• Why is understanding half-life important in herbicide management?
• What are some ways weeds can reproduce?
• Which warning word indicates a substance is moderately toxic?
• Which of the following sections under the FIFRA exempts from registration pesticides considered to pose a minimum risk?
• What is meant by the economic injury level?
• What type of resistance occurs when a plant withstands various herbicides with distinct mechanisms?
• Which herbicide type is more effective during the rosette stage?
• Which type of herbicide would be suitable to control a low-growing annual weed in a corn field?
• Which LD50 value indicates a relatively non-toxic pesticide?
• What is defined as a weed?
• Reducing the competition between a crop and weeds by changing the planting population of the crop is an example of what?
• What is the primary function of a herbicide?
• Buggy-whipping and malformed brace roots on corn are symptoms of:
• Which plant life cycle stage is represented by small, delicate plantlets?
• The greatest risk of herbicide exposure occurs:
• What method can be used to prevent crop injury aside from monitoring weather conditions?
• Are soil-applied herbicides only translocated in the photosynthetic stream (phloem)?
• Which type of herbicide would you use to control perennials in an area that will be planted in a month?
• The name "Sevin 5G" on a pesticide label indicates:
• What term describes plants that complete their life cycle in one year and may over-winter?
• Which herbicide type usually has a wide range of effectiveness against various weed types?
• Selective weed control programs usually include:
• What is a likely consequence of not monitoring weather conditions during herbicide applications?
• What could happen if herbicides are mixed without compatibility testing?
• What is a symptom of pigment inhibitors related to plants?
• Which weed has true leaves that are opposite and finely divided with a "lacy" appearance?
• Glyphosate is an example of a plant growth regulator?
• What stage of weed life cycle is most vulnerable to herbicide application?
• Symptoms of soil-applied photosynthesis inhibitors typically appear first on the roots?
• What do pesticides labeled as 1.5 EC and 90 DF generally indicate?
• Is it necessary to test for herbicide compatibility before mixing a large tank?
• Preemergence herbicides generally require rainfall within a week of application to incorporate the herbicide into the soil.
• Which statement regarding plant growth regulator herbicides is correct?
• ACCase-inhibiting herbicides such as sethoxydim are primarily root inhibitors.
• Most perennial weeds are best controlled with contact herbicides. Is this statement true or false?
• Which type of herbicides is more likely to leach into groundwater?
• If the throttle setting remains constant, but the speed doubles, what happens to the amount of spray per acre?
• When managing herbicide resistance, what is a common practice to mitigate this issue?
• How does environmental monitoring contribute to effective herbicide application?
• Which of the following is true about herbicide application timing?
• Which category does reducing the mowing frequency of a lawn fall under?
• ACCase-inhibiting herbicides such as sethoxydim are primarily root inhibitors?
• Which would increase the likelihood of pesticide resistance?