QAC Right-of-way Exam Questions With Verified Answers

QAC Right-of-way Exam Questions With Verified Answers A material that helps spray droplets make better contact with plant surfaces is know as: - Answer-A surfactant /.A mixture in which very small particles of one liquid are suspended in another liquid (for example oil) and water is called what? - Answer-An emulsion /.A selective herbicide is one that? - Answer-Kill some species of plants without harming other species /.A woody plant that has multiple stems or trunks and is less than 10 feet tall is best described as? - Answer-A scrub /.Applying herbicides to the sapwood through frill or notches is known as? - Answer-Cut surface treatment /.At what stage of growth is the chemical control a perennial weeds most effective? - Answer-Seedling /.At what stage would it be most difficult to control bennial weeds with herbicide sprays? - Answer-Flowering and seed development /.Before you handle any pesticide what action must you take if you want to keep yourself safe? - Answer-Read the label /.Bushes and shrubs are - Answer-Low growing woody plant with several stems /.For right-of-way weed control, plants are grouped into what 3 major categories? - Answer-Grasses, herbaceous, and woody plants. /.If pesticide applications are done carelessly near streams what could happen? - Answer-They can result in fish kills and water contamination /.Is highly volatile herbicide is one that - Answer-Can readily passed into the vapor phase /.Is malathion restricted in california? - Answer-No /.The herbicide that kills only the parts of the plant that it touches is known as? - Answer-Contact herbicide /.Weeds are plants that grow 3 or more years - Answer-Perennial /.What are broad-leaved plants? - Answer-Leaves that are broad, net vain, with a taproot or course root system /.What are herbicide kills only part of the plant that it - Answer-Contact herbicide /.What can settle out in the spray tank and cause uneven application if an agitator is not used? - Answer-Wettable powder herbicide formulations /.What clothing items should be avoided when handling pesticides? - Answer-short sleeve or sleeveless tops /.What effect does hot, dry wind have on plant leaves? - Answer-Causes the openings or stoma in the leaves to close. /.What is a biennial plant? - Answer-A biennial plant is a flowering plant that takes two years to complete its biological lifecycle. In the first year the plant grows leaves, stems, and roots, didn't enters a period of dormancy over the colder months. They're low to the ground forming a rosette. /.What is a perennial plant? - Answer-A plant that lives for more than two years? /.What is an annual plant? - Answer-An annual plant is a plant that completes its life cycle, from germination to the production of seed, within one year, and then dies. /.What is least likely to effect the persistence of a herbicide in the soil? - Answer-Time of day when the application is made /.What is NOT a common method of controlling woody plants with herbicides? - Answer-irrigation water applied /.What is the most important problem associated with rodent pests in right of ways? - Answer-Cerebral disrupt normal water flow and drainage, and promote a erosion /.What is the time interval that must be observed before animals can graze on treated site - Answer-2 weeks /.What is the weather condition that is usually responsible for pesticide drift? - Answer-Wind /.What part of the plant must a foliar-applied herbicide penetrate before entering the living plant tissue? - Answer-Cuticle /.What practice will NOT help prevent drift? - Answer-Using highly volatile formulations /.What product is a stable white powder, water soluble odorless and nearly tasteless. Upon contact with the atmosphere it becomes gummy and sticky. - Answer-compound 1080 /.What rodenticide has an anticoagulant action? - Answer-Chlorophacinone /.What type of herbicide can be combined with non-selective, soil applied herbicide to improve the control in a weedy area? - Answer-Contact herbicides /.What type of herbicide can pass into the vapor phase? - Answer-Highly volatile herbicide /.What types of weeds are most difficult to control with herbesides? - Answer-Perennials /.What vertibrate pest live its life entirely underground, and pushes up soil ridges just beneath the surface as it feeds on grubs and earthworms? - Answer-Moles /.When a herbicide is absorbed into and moves within the plant, this process is called what? - Answer-Translocation /.When do perennial plants begin to store food in their roots - Answer-Fall /.When herbicides are combined with oil and applied to lower parts of stems and exposed roots this method is called? - Answer-Basil steam treatment /.Which area should you not apply a non-selective residual herbicide? - Answer-Parking lot flower beds /.Which of the following factors would have the least effect on the movement of herbicide from the application site? - Answer-Type of soil it is applied to and the type of equipment that is used /.Which of the following is a grey powder, insoluble in water, and releases phosphide gas upon ingestion? - Answer-Zinc phosphide /.Which of the following is not considered a non chemical method of weed control? - Answer-Plant growth regulators /.Which of the following is not considered a non-chemical method of weed control? - Answer-Plant growth regulators /.Which of the following rodent digs burrows under foundations, is nocturnal, a prolific breeder with a lifespan of about one year, and has a short scaly tail less than the length of the head and body. - Answer-Norway rats