QAC Right-of-way Exam 2025
Questions and Answers
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
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
, 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
What type of herbicide can be combined with non-selective, soil applied herbicide to improve the
control in a weedy area? - ANSWER✔️✔️-Contact herbicides
At what stage would it be most difficult to control bennial weeds with herbicide sprays? -
ANSWER✔️✔️-Flowering and seed development
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
What are broad-leaved plants? - ANSWER✔️✔️-Leaves that are broad, net vain, with a taproot or
course root system
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
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
Questions and Answers
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
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
, 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
What type of herbicide can be combined with non-selective, soil applied herbicide to improve the
control in a weedy area? - ANSWER✔️✔️-Contact herbicides
At what stage would it be most difficult to control bennial weeds with herbicide sprays? -
ANSWER✔️✔️-Flowering and seed development
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
What are broad-leaved plants? - ANSWER✔️✔️-Leaves that are broad, net vain, with a taproot or
course root system
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
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
