WA State Aquatic Pest Control Practice Test Questions And Answers Verified 100% Correct

WA State Aquatic Pest Control Practice Test Questions And Answers Verified 100% Correct cholinesterase - ANSWER -an enzyme fround in animals that regulations the activity of nerve impulses compatible - ANSWER -mixable in the formulation or in the spray tank for application together in the same carrier without undesirably altering the separate effects of components compressed-air sprayer - ANSWER -application equipment that uses pressure to deliver spray concentration - ANSWER -the amount of active ingredient in a quantity of diluent expressed as percent, lb./gal, etc. contact herbicide - ANSWER -a herbicide that is phytotoxic by contact with plant tissue rather than as a result of translocation contaminate - ANSWER -to alter or render a material unfit for a specified use by allowing pesticide to come into contact with it control - ANSWER -to reduce or eliminate corrosive - ANSWER -having the ability to eat away slowly cyclone-type spreader - ANSWER -application equipment that uses a rotating disc to disperse granules density - ANSWER -the size of apopulation within a given unit of spcae diapause - ANSWER -a period of spontaneous dormancy or suspended animation between periods of activity in arthropods diluent - ANSWER -any gas, liquid, or solid material used to reduce the concentration of an active ingredient in a formulation disperse - ANSWER -to spread out of scatter or separate and move apart dispersing agent - ANSWER -a material that reduces the cohesive forces between similar particles dissolve - ANSWER -refers to getting solid into solution dormancy - ANSWER -a state of suspended development dose (rate) - ANSWER -the terms are the same; however, rate is preferred. the amount of active ingredient applied to a unit area regardless of percentage of chemical in the carrier ecosystem - ANSWER -a community of life and its environment functioning as a unit in nature emergence - ANSWER -the act of germinating seedlings breaking through the soil or an insect splitting its pupal case emersed plant - ANSWER -a rooted or anchored aquatic plant adapted to grow with most of its leaf-stem tissue above the water surface; does not fall or rise with the water level emulsifiable concentrate - ANSWER -a concentrated pesticide formulation containing organic solvents and adjuvants to produce an emulsion with water encephalitis - ANSWER -a viral diseas transmitted to people or horses by mosquitoes or ticks. causes inflammation of the brain emulsion - ANSWER -the suspension of one liquid as a minute globule in another liquid (for example, oil dispersed in water) erosion - ANSWER -wearing away by wind or water exposure - ANSWER -when pesticides contact skin (dermal), mouth (oral), lungs (inhalation), or eyes exoskeleton - ANSWER -the hard "shell" of arthropods to which their muscles are attached and which serves the same function as the bony skeleton of humans filler - ANSWER -a diluent in powderd form floating plant - ANSWER -a free-floating or anchored aquatic plant adapted to grow with most of its vegetation tissue at or above the water surface; rises and falls with the water level flowable - ANSWER -formulation with active ingredient impregnated on very fine solids suspended in liquid fogger - ANSWER -application equipment that breaks liquid into very fine droplets (.1-50 microns) and blows or drifts them onto the traget area. Also called an aerosol generator formulation - ANSWER -a mixture containing the active ingredient, carrier, diluents, and other additives required to make the product ready for application gpa - ANSWER -gallons per acre gpm - ANSWER -gallons per minute granule, granular - ANSWER -a dry formulation of pesticide in which the active ingredient is impregnated on small particles of carrier, such as clay or ground up corn cobs