QAC Right-of-way EXAM QUESTIONS & ANSWERS
100% CORRECT!!
What type of herbicide can pass into the vapor phase? - ANSWER Highly volatile herbicide
What are herbicide kills only part of the plant that it - ANSWER Contact herbicide
Weeds are plants that grow 3 or more years - ANSWER Perennial
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
What is the time interval that must be observed before animals can graze on treated site - ANSWER 2
weeks
Is highly volatile herbicide is one that - ANSWER Can readily passed into the vapor phase
When do perennial plants begin to store food in their roots - ANSWER Fall
Bushes and shrubs are - ANSWER Low growing woody plant with several stems
The herbicide that kills only the parts of the plant that it touches is known as? - ANSWER Contact
herbicide
Which type of herbicide would you use on a highway shoulder where you need to maintain bare
ground? - ANSWER Non selective herbicide
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 of the following is a grey powder, insoluble in water, and releases phosphide gas upon
ingestion? - ANSWER Zinc phosphide
A selective herbicide is one that? - ANSWER Kill some species of plants without harming other
species
Which area should you not apply a non-selective residual herbicide? - ANSWER Parking lot flower
beds
Applying herbicides to the sapwood through frill or notches is known as? - ANSWER Cut surface
treatment
When a herbicide is absorbed into and moves within the plant, this process is called what? - ANSWER
Translocation
For right-of-way weed control, plants are grouped into what 3 major categories? - ANSWER Grasses,
herbaceous, and woody plants.
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 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 types of weeds are most difficult to control with herbesides? - ANSWER Perennials
At what stage of growth is the chemical control a perennial weeds most effective? - ANSWER
Seedling
What is NOT a common method of controlling woody plants with herbicides? - ANSWER irrigation
water applied
100% CORRECT!!
What type of herbicide can pass into the vapor phase? - ANSWER Highly volatile herbicide
What are herbicide kills only part of the plant that it - ANSWER Contact herbicide
Weeds are plants that grow 3 or more years - ANSWER Perennial
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
What is the time interval that must be observed before animals can graze on treated site - ANSWER 2
weeks
Is highly volatile herbicide is one that - ANSWER Can readily passed into the vapor phase
When do perennial plants begin to store food in their roots - ANSWER Fall
Bushes and shrubs are - ANSWER Low growing woody plant with several stems
The herbicide that kills only the parts of the plant that it touches is known as? - ANSWER Contact
herbicide
Which type of herbicide would you use on a highway shoulder where you need to maintain bare
ground? - ANSWER Non selective herbicide
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 of the following is a grey powder, insoluble in water, and releases phosphide gas upon
ingestion? - ANSWER Zinc phosphide
A selective herbicide is one that? - ANSWER Kill some species of plants without harming other
species
Which area should you not apply a non-selective residual herbicide? - ANSWER Parking lot flower
beds
Applying herbicides to the sapwood through frill or notches is known as? - ANSWER Cut surface
treatment
When a herbicide is absorbed into and moves within the plant, this process is called what? - ANSWER
Translocation
For right-of-way weed control, plants are grouped into what 3 major categories? - ANSWER Grasses,
herbaceous, and woody plants.
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 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 types of weeds are most difficult to control with herbesides? - ANSWER Perennials
At what stage of growth is the chemical control a perennial weeds most effective? - ANSWER
Seedling
What is NOT a common method of controlling woody plants with herbicides? - ANSWER irrigation
water applied
