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Pest Control Final Exam Practice Verified Questions and
Correct Answers 2025
Pest - Correct Answer>>an undesirable organism that injures humans, desirable plants and animals, manufactured products, or natural substances. pathogens - Correct Answer>>disease-causing organisms, such as viruses, bacteria, or fungi Pesticide resistance - Correct Answer>>When pests adapt and become resistant to a pesticide. First seen in resistance to DDT in 1947 bioaccumulation - Correct Answer>>The accumulation of pesticide in the fatty tissue of some animals biomagnification - Correct Answer>>The Food chain. Organisms with pesticides in their tissues are eaten by fish, which are in turn eaten by birds. The birds at the top of the food chain accumulate the highest concentration of pesticide residues. The Four main groups of pest organisms - Correct Answer>>weeds, invertebrate animals, pathogens, and vertebrate animals. Never classify an organism
as a pest until it is clearly determined to be one. The first step in pest management - Correct Answer>>accurately identify the pest Abiotic factors - Correct Answer>>natural control measures within the environment that injure or destroy plants and animals, including pests. Applied Controls - Correct Answer>>When humans try to eliminate pests.
- Biological Control
- Chemical control
- Cultural Control
- Genetic control
- Mechanical/Physical Control
- Regulatory Control Biological control - Correct Answer>>the use of natural enemies —predators, parasites, pathogens, and competitors—to control pests and their damage. Chemical control - Correct Answer>>the pest management method that involves using naturally derived and/or synthetic chemicals to manage pests. Pesticide - Correct Answer>>any material that is applied to plants, soil, water, harvested crops, structures, clothing
Ovicides - Correct Answer>>destroy eggs. Pheromones - Correct Answer>>attract insects Piscicides - Correct Answer>>control pest fish Predacides - Correct Answer>>ontrol predatory vertebrates (like coyotes) Repellents - Correct Answer>>repel insects, mites, ticks, pest vertebrates, inverte- brates, birds, and mammals. Rodenticides - Correct Answer>>control rodents. mode of action - Correct Answer>>how you kill the pest site of action - Correct Answer>>the specific biological system affected within the pest selective pesticides - Correct Answer>>toxic to some pests but have little or no effect on others. For example, certain selective herbicides control broadleaf weeds but not grasses, and ovicides kill only the eggs of certain insects and mites. In contrast, fumigants are nonselective and will kill a wide variety of pests: fungi, insects, weeds, nematodes, and other organisms. Nonselective her
bicides control any susceptible plant, given a sufficient dose
Systemic pesticides - Correct Answer>>Pesticides that are absorbed and translocated within a plant or animal. contact pesticides - Correct Answer>>These are not absorbed by treated plants or animals. These pesticides must directly touch the pest or a site the pest frequents to be effective persistence - Correct Answer>>how long the pesticide will remain active to control pests residual pesticides - Correct Answer>>Pesticides that control pests for weeks, months, or even years. Cultural Control - Correct Answer>>practices that reduce pest establishment, reproduction, dispersal, and survival. Cultural practices and sanitation are two examples of cultural control.Mowing, irrigation, aeration, and fertilization, crop rotation, and the use of trap crops, etc Sanitation - Correct Answer>>Eliminating the necessities important to a pest's survival, such as food, water or shelter. Genetic Control - Correct Answer>>When certain things are naturally resistant to insects, pathogens, or nematodes, also when plants are genetically manipulated to be
Quarantine or eradication. Quarantine - Correct Answer>>A pest control process designed to prevent entry of certain pests into pest-free areas Eradication - Correct Answer>>The elimination of a pest from a designated area. Often, these pests are under quarantine restrictions. Integrated pest management - Correct Answer>>a balanced, tactical approach to pest control. It defines ways to anticipate pest outbreaks and prevent pest damage. Advantages of Integrated Pest Management - Correct Answer>>helps preserve a balanced ecosystem, Pesticides can be ineffective, IPM can save money, promotes a healthy environment, helps maintain a good public image Steps of Integrated Pest Management - Correct Answer>>1.) Identify the pest and understand its biology.
Monitor the pest to be managed.
Develop the pest management goal.
Implement the IPM program.
Record and evaluate results The key to a successful IPM program is regular monitoring Key pests - Correct Answer>>Pest that cause major damage on a regular basis.Many weeds, and Cockroaches and rodents are also examples of key pests because their waste and body coverings (shed cockroach skins; rodent hairs) can trigger asthma in some people Secondary pests - Correct Answer>>become a problem when a key pest is controlled or absent. Certain species of fleas, ticks, and blood-feeding bugs attack people only when their natural hosts, such as pet dogs or cats, are no longer present Occasional pests - Correct Answer>>Pests that become troublesome only once in a while because of their life cycles economic threshold - Correct Answer>>the pest population density (number of pests per unit area) at which control measures are needed to prevent the pest from reaching the economic injury level
- A pesticide-fertilizer mixture. Fun Fact #3 - Correct Answer>>FIFRA also gives EPA the authority to:
- Impose civil and/or criminal penalties on any person who misuses a pesticide or commits any of the other unlawful acts listed in FIFRA Section 12.
- Stop the sale or use of any pes- ticide.
- Issue removal orders and seize products to keep them out of the market if it determines the prod- ucts pose an unreasonable risk.
- Reevaluate older pesticides to ensure that they meet more recent safety standards.
- Implement programs to require the certification of applicators of restricted-use pesticides (RUPs).
- Protect agricultural workers and pesticide handlers from occupa- tional pesticide exposure. True or False: All pesticides are classified according to their potential hazards under the circumstances in which they are to be used. - Correct Answer>>True Unclassified-use pesticides - Correct Answer>>commonly referred to as general-use pesticides. The EPA has officially classified very few pesticides as general use. Normally, general use pesticides have a lower toxicity than restricted use pesticides (RUPs) and so are less likely to harm humans or the
environment. The general public can buy general-use pesticides without special permits or restrictions. restricted use pesticides - Correct Answer>>Generally, EPA classifies a pesticide as restricted use if it exceeds one or more human health toxicity criteria or based on other regulatory standards. EPA may also classify a pesticide as restricted use if it meets certain criteria for hazards to nontarget organisms or ecosystems. The restricted-use classification designation must be prominently placed on the top of the front panel of the pesticide product labeling True or False Some pesticide active ingredients may be listed in both use categories depending on the formulation, the application method, and the intended uses. - Correct Answer>>True True or False RUPs may not be sold only to certified applicators or their authorized representatives. - Correct Answer>>False Two types of certified pesticide applicators - Correct Answer>>private and commercial Private applicators - Correct Answer>>certified applicators who use or supervise the use of any RUP for the purpose of producing an agricultural commodity on their own property or property they rent or lease. Commercial applicators - Correct Answer>>individuals who use or supervise the use of any RUP for any purpose on any property except for those listed under the definition of a
standard. They govern the establishment of pesticide tolerances for food and feed products Unlawful Acts include: - Correct Answer>>• Distributing, selling, or delivering an unregistered pesticide.
- Making any advertising claim about a pesticide not included in the registration statement.
- Selling any registered pesticide if its content does not conform to labeling data.
- Selling an adulterated or mis- branded pesticide.
- Detaching, altering, defacing, or destroying any part of a con tainer or labeling.
- Refusing to keep records or permit authorized EPA inspections.
- Making a guarantee other than that specified by the labeling.
- Advertising an RUP without giving the product classification.
- Making an RUP available to a noncertified applicator (except as provided by law).
- Using a pesticide in any manner inconsistent with the labeling. you must use all pes-ticides exactly according to labeling directions. The label is the law! Food Quality Protection Act (FPQA) - Correct Answer>>Set a higher standard for pesticides used on food. This safety standard considers the aggregate risk from dietary and other nonoccupational sources of exposure, such as drinking water and residential lawn use. In addition, when setting new or reassessing existing tolerances, the FQPA requires EPA to focus
explicitly on exposures and risks to infants and children. Other FQPA mandates require EPA to: - Correct Answer>>• Establish a tolerance only if there is "a reasonable certainty" that no harm will result from all combined sources of exposure to pesticides (aggregate exposures). The combined effects of human exposure to different pesticides that may act in similar ways on the body (cumulative exposure) must also be considered.
- Review all old pesticides to make sure that the residues allowed on food meet the new safety standard.
- Test pesticides for endocrine- disruption potential. Endocrine disruptors may be linked to a variety of sexual, developmental, behavioral, and reproductive problems.
- Distribute a brochure discussing pesticides on foods to supermar- kets to better inform the public The Endangered Species Act (ESA) - Correct Answer>>A federal law administered by the U.S. Fish and Wildlife Service and the National Marine Fisheries Service that makes it illegal to kill, harm, or collect endangered or threatened wildlife or fish, or to remove endan- gered or threatened plants from areas under federal jurisdiction. Special local need (SLN) registra- tions - Correct Answer>>They allow states to expand or limit the uses of certain registered pesti- cides within their jurisdictions. For instance, some SLNs allow uses of pesticides for crops or sites not listed on the label. Others limit the uses of certain pesticides to address local
Fun Fact #6 - Correct Answer>>Currently, EPA classifies every pesticide product as either restricted use or unclassified/general use. EPA establishment number - Correct Answer>>must be on the pesticide label to identify the facility that produced the product. signal word - Correct Answer>>This designation indi- cates the relative acute toxicity of the product to humans and animals. Such as "Danger" "Poison" "Keep out of reach of children" DANGER—POISON, skull and crossbones symbol - Correct Answer>>These words and symbol must appear on all products that are highly toxic by any route of entry into the body. The word "poison" must appear in red. These products can cause death in very low doses. DANGER - Correct Answer>>This word signals that the product is highly toxic by at least one route of entry. Products with this signal word can cause severe eye damage or skin irritation. WARNING - Correct Answer>>This word signals that the product is moderately toxic either orally, dermally, or through inhalation or causes moderate eye and skin irritation. CAUTION - Correct Answer>>This word signals that the product is slightly toxic either orally, dermally, or through inhalation or causes slight eye and skin irritation restricted-entry interval (REI) - Correct Answer>>specifies how much time must pass between the pesticide application and
the reentry of unprotected workers into a treated area. If two or more pesticides are mixed together, you are required to follow the most restrictive (longer) REI. Safety Data Sheets - Correct Answer>>provide more details about specific chemi- cal and physical properties than do pesticide labels. Unlike the FIFRA label, which is designed specifically for the pesticide end user (the applicator), the SDS is a document regulated by the Occupational Safety and Health Administration and designed for use by multiple professionals (manufacturers, transporters, medical personnel, and firefighters). NEVER use it in place of the label! Pesticide Formulation - Correct Answer>>is a combination of active and inert ingredients that forms an end-use pesticide product. Inert ingredients have no pesticidal activity Fun Fact #7 - Correct Answer>>Liquid pesticide products are usually one of the following:
- A solution.
- A suspension.
- An emulsion. solution - Correct Answer>>made by dissolving a substance in a liquid. A true solution is a mixture, but it cannot be separated by filtration or other mechanical means. Once made, a true solution will not "settle out" and does not need shaking or stirring suspension - Correct Answer>>formed by dispersing fine (very small), solid particles in a liquid. These solid particles do not
