Browse all practice questions for the Indiana Category 1 Applicator License Practice Test. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

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  • How many gallons of liquid pesticide must be stored to be classified as bulk storage?
  • What defines a soil-applied herbicide?
  • What is the primary function of BeeCheck.org?
  • Which group of plant pathogens is considered the largest?
  • What are the three methods through which perennials can reproduce?
  • How much surfactant is needed for a spray tank with a capacity of 800 gallons at a concentration of 1/2%?
  • What approach is best for minimizing plant disease?
  • During what condition does spray drift commonly occur?
  • What characterizes a non-selective herbicide?
  • Which of the following groups is considered a pollinator?
  • Is drift more or less likely during a temperature inversion?
  • What is a distinguishing feature of monocots?
  • When is vapor drift more likely to occur?
  • How can certified Category 1 applicators renew their certification?
  • If a tender truck driver is not a Registered Technician and does not mix or transfer pesticides, do they need supervision from a Category 1 applicator?
  • What is vapor drift?
  • What is the primary purpose of Worker Protection Standards?
  • What is the radius within which applicators should identify hive locations related to their application site?
  • What does it mean if a herbicide is non-persistent/non-residual?
  • What must facilities that store bulk quantities of fertilizer or pesticide notify the OISC of annually?
  • Which type of nozzle is best suited for providing a coarse droplet size for pesticide applications?
  • Leaching is more likely to occur in which type of soil?
  • What distinguishes truly systemic fungicides?
  • What does it indicate if a herbicide is classified as a selective herbicide?
  • What is meant by "inoculum" in the context of plant diseases?
  • Which type of nozzle produces smaller droplets?
  • Which stage is NOT one of the four growth stages of a weed?
  • How often are applicator licenses renewed?
  • Which step is essential for protecting water sources during pesticide applications?
  • What are the ideal wind conditions for spraying?
  • Which of the following best describes the pupa stage?
  • What benefit does Integrated Pest Management (IPM) aim to provide?
  • What type of registration is mandatory for a business selling restricted-use pesticides?
  • What is the minimum gallon capacity required for load pads?
  • What is the role of a petiole in a plant?
  • What should a Cat-1 applicator do if supervising a Registered Technician from a distance?
  • What is the typical order of tank mixes when preparing a pesticide application?
  • What is a continuing education hour (CCH) related to?
  • In a calibration check, how many gallons should remain in the tank after spraying a 32-acre field with an application rate of 12 gallons per acre?
  • What is the primary goal of crop rotation in plant disease management?
  • What do sticker adjuvants accomplish in pesticide applications?
  • What is the maximum time allowed for making the final record of a restricted-use pesticide application?
  • What does spray pressure influence?
  • Does higher pressure cause larger or smaller droplets?
  • What type of pesticide applications does the Indiana Pollinator Protection Plan focus on?
  • What role does communication play according to FieldWatch?
  • What is the combined total for multiple tanks of liquid fertilizer to be classified as bulk storage?
  • One way to reduce spray drift is to adjust which of the following?
  • In the context of insect development, what does the term nymph refer to?
  • What does it mean when a herbicide is classified as foliar-applied?
  • Which of the following is a common symptom of plant pathogen infection?
  • What is a "diked area" in terms of pesticide and fertilizer storage?
  • What is a recommended practice before applying fungicides?
  • What is one piece of information that must be recorded from a restricted-use pesticide application?
  • Should bulk storage tanks be anchored?
  • Which practice can enhance crop resistance to pathogens?
  • What is a key indicator of a monocot's vulnerability to damage?
  • Which of the following best describes the effect of antagonism in chemically incompatible mixes?
  • How do oil concentrate adjuvants assist pesticides during application?
  • What is runoff in relation to pesticide application?
  • Which of the following is NOT one of the requirements for Category 1 businesses under WPS?
  • What is a ligule?
  • What is the purpose of providing decontamination supplies on pesticide application sites?
  • In gradual metamorphosis, what is the final stage of development?
  • What effect do nitrogen fertilizer solution adjuvants have on pesticides?
  • What is the minimum dimension requirement for load pads?
  • Where is the growing point located on monocots?
  • What is the first stage of complete metamorphosis in insects?
  • What is the first step in the 7 steps for cleaning sprayers?
  • When do temperature inversions typically develop?
  • What does the term "chemically incompatible" refer to?
  • What is the purpose of secondary containment?
  • In terms of ensuring handler safety, what is one specific requirement for respirators?
  • What role do spray adjuvants play in pesticide applications?
  • How many tons of dry fertilizer must be stored in undivided quantities to be considered bulk storage?
  • Which factor does NOT determine the type of equipment needed for spraying?
  • What size of droplets provides better coverage but is more prone to drift?
  • What do defoamers and antifoaming agents help minimize?
  • At what stage are annual weeds most vulnerable?
  • What is leaching?
  • Which of the following is NOT one of the 5 groups of plant pathogens?
  • For how long must records of each sale of restricted-use pesticides be retained?
  • Which registration number must be documented during a restricted-use pesticide application?
  • What is the certification term for a Category 1 Applicator's License?
  • For how long must Category 1 businesses maintain records of restricted-use pesticide applications?
  • What is the primary responsibility of a certified Cat-1 applicator?
  • What is the definition of a 'sign' in relation to plant pathogens?
  • Which of the following is an appropriate action to take prior to a pesticide application?
  • What are the three requirements for minibulk pesticide tanks set by the EPA?
  • What characterizes a translocated/systemic herbicide?
  • What does a "limited host range" imply about a plant pathogen?
  • What is required for a Cat-1 applicator to supervise a non-certified applicator?
  • Which three conditions must exist for a plant disease to develop?
  • Which stage comes directly after the larva stage in complete metamorphosis?
  • If a weed control recommendation specifies 2 quarts of product per acre and the tank can apply 12 gallons per acre, how many quarts should be added to a 1,000-gallon tank?
  • What should happen if a bulk storage tank liquid level is higher than the dike wall?
  • What is the primary goal of Integrated Pest Management (IPM) regarding insect populations?
  • What is the first detail that should be recorded by an applicator during a restricted-use pesticide application?
  • What happens to the droplets when using a nozzle with a wider spray angle?
  • What is the primary function of surfactants in spray mixtures?
  • What is an applicator required to do after obtaining certification?
  • What is the main characteristic of insects that undergo gradual metamorphosis?
  • What is the first step in the calibration process for pesticide sprayers?
  • Which of the following is NOT an action to prevent fungicide resistance?
  • What should be done after foaming occurs during mixing?
  • What is the first step to take when investigating potential herbicide injury?
  • What documentation must be provided to Registered Technicians supervising off-site?
  • When are diked areas required for storage tanks?
  • How long does it take for perennials to complete their four stages of development?
  • Which group of insects undergoes complete metamorphosis?
  • How many stages do insects undergoing complete metamorphosis experience?
  • How long does it generally take for a biennial weed to complete its four stages of development?
  • Which factor is NOT a purpose of water conditioning agents in pesticide mixes?
  • When calculating surfactant for a 1,200-gallon tank, how many liquid ounces are needed if the label calls for 4 ounces per 100 gallons?
  • What characteristic changes can indicate that a product mix is physically incompatible?
  • What is the maximum number of Registered Technicians a Cat-1 applicator can supervise without written permission?
  • What are compatibility agents used for in pesticide applications?
  • What three factors must be considered when determining the amount of pesticide product for a spray mix?
  • Are sight gauges allowed on pesticide and fertilizer tanks?
  • To be considered bulk storage, how many gallons of liquid fertilizer must be stored in a single tank?
  • What type of plants are dicots?
  • What must each bulk storage tank be marked with?
  • What is required for tank identification?
  • What is the required capacity of dikes containing storage tanks?
  • Which of the following is an example of a symptom of a plant pathogen?
  • What is a temperature inversion?
  • What does the acronym "WPS" stand for in relation to pesticide application?
  • What is the spray angle?
  • According to regulations, what must be avoided during the application of pesticides?
  • What must happen if a tender truck driver mixes and loads pesticides?
  • Which step in cleaning sprayers involves flushing with water?
  • When do winter annuals complete their maturity stage?
  • On what basis does the OISC regulate the bulk storage of pesticides and fertilizers?
  • What defines a persistent/residual herbicide?
  • What is the consequence of failing to comply with Indiana's Drift Rule?
  • What must a Cat-1 applicator provide when supervising a Registered Technician off-site?
  • When do summer annuals complete their vegetative stage?
  • What is the purpose of the Indiana Pollinator Protection Plan?
  • Which of the following best defines a pollinator?
  • What type of wall must be present between fertilizer and pesticide containers in a common dike?
  • To whom can restricted-use pesticide dealers sell these pesticides?
  • What is the primary function of pH adjusters in a spray mix?
  • What primarily affects the direction of spray drift?
  • Can fertilizers and pesticides be stored in the same diked containment area?
  • What are contact fungicides primarily used for?
  • What droplet characteristic influences target coverage and drift potential?
  • What is NOT one of the 5 basic concepts of drift management?
  • Which conditions contribute to increased leaching of pesticides?
  • What does FieldWatch provide for applicators and specialty crop growers?
  • What is referred to as the "inoculum load"?
  • Where should you first check before cleaning spray equipment?
  • Which of the following is NOT one of the stages in gradual metamorphosis?
  • What are load pads used for?
  • What is the main objective of Indiana's Drift Rule?
  • What does a contact herbicide do?
  • What does Indiana's Supervision Rule allow?
  • What is the purpose of water conditioning agents in pesticide mixes?
  • Under WPS, what is the minimum requirement regarding personal protective equipment (PPE) for pesticide handlers?
  • How many distinct stages are involved in the gradual metamorphosis of insects?
  • Where can you find training programs for continuing education hours?
  • What term describes insects that develop in three stages: egg, nymph, and adult?
  • When are biennial weeds most susceptible to chemical control?
  • For a specified application rate, which nozzle should an applicator choose if the requirements are 12 gal/ac and a medium to coarse spray?
  • What is the threshold for dry pesticide storage in undivided quantities to be considered bulk storage?
  • What is the required voice contact protocol for Registered Technicians supervised by a Category 1 applicator during an emergency?
  • In the reproductive stage, when do winter annuals typically flower?
  • What type of pesticide formulation is especially prone to vapor drift?
  • Who does the Category 1 certification apply to?
  • What is the key characteristic of local system fungicides?
  • What is the correct calculation to determine how many acres can be treated with a full 1,000-gallon tank at a 12 gallons per acre application rate?
  • What does the term "physically incompatible" mean in the context of product mixes?
  • What is required of all dealers selling restricted-use pesticides?
  • Which soil condition increases the potential for runoff?
  • What is one type of pest-related information required during a restricted-use pesticide application?
  • What is the correct sequence of stages in complete metamorphosis?
  • Which stage is associated with feeding and growth in complete metamorphosis?
  • What are the three main functions performed by nozzles during pesticide application?
  • What is a potential benefit of using spray adjuvants concerning off-target movement?
  • What is one of the general options for managing plant diseases?
  • Which group of pathogens includes organisms that may lead to root rot?
  • What typically happens when surfactants are added to a pesticide formulation?
  • How do contact herbicides differ from translocated/systemic herbicides in terms of response time?
  • What is one of the most critical factors determined by nozzle type?
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