QAC Right-of-way Exam with correct Answers

QAC Right-of-way Exam with correct 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.