Exam Questions and CORRECT Answers
What type of herbicide can pass into the vapor phase? - CORRECT ANSWER - Highly
volatile herbicide
What are herbicide kills only part of the plant that it - CORRECT ANSWER - Contact
herbicide
Weeds are plants that grow 3 or more years - CORRECT ANSWER - Perennial
Which of the following factors would have the least effect on the movement of herbicide from
the application site? - CORRECT 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 -
CORRECT ANSWER - 2 weeks
Is highly volatile herbicide is one that - CORRECT ANSWER - Can readily passed into
the vapor phase
When do perennial plants begin to store food in their roots - CORRECT ANSWER - Fall
Bushes and shrubs are - CORRECT ANSWER - Low growing woody plant with several
stems
The herbicide that kills only the parts of the plant that it touches is known as? - CORRECT
ANSWER - Contact herbicide
, Which type of herbicide would you use on a highway shoulder where you need to maintain bare
ground? - CORRECT ANSWER - Non selective herbicide
When herbicides are combined with oil and applied to lower parts of stems and exposed roots
this method is called? - CORRECT ANSWER - Basil steam treatment
Which of the following is a grey powder, insoluble in water, and releases phosphide gas upon
ingestion? - CORRECT ANSWER - Zinc phosphide
A selective herbicide is one that? - CORRECT ANSWER - Kill some species of plants
without harming other species
Which area should you not apply a non-selective residual herbicide? - CORRECT
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? - CORRECT ANSWER - Contact herbicides
At what stage would it be most difficult to control bennial weeds with herbicide sprays? -
CORRECT 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? - CORRECT ANSWER - An emulsion
What are broad-leaved plants? - CORRECT 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? - CORRECT ANSWER - Moles
Is malathion restricted in california? - CORRECT ANSWER - No