1
NATURAL AREAS AND WEED MANAGEMENT
NEWEST ACTUAL 2025/2026 TEST REVISED WITH
COMPLETE QUESTIONS AND ANSWERS /
VERIFIED/GRADED A+/
Which of the following can be considered the first assurance that an herbicide
application will not result in unwanted impacts to human health or the
environment - (ANSWER)pesticide registration
Which is the result of hydrolysis and photolysis - (ANSWER)breakdown
How is risk determined in testing pesticides for registration? - (ANSWER)the
product of hazard and exposure
what is the first and most important barrier to the absorption of an herbicide on a
leaf surface? - (ANSWER)the cuticle
What is the most important soil constituent that affects absorption of herbicides
by plant roots? - (ANSWER)humus
upward movement of materials taken up by roots - (ANSWER)xylem
downward movement of materials from the leaves to the roots -
(ANSWER)phloem
, 2
what is the general way in which a particular herbicide disrupts a plan process? -
(ANSWER)mode of action
the ability of a pesticide to control the target or pest species without harming the
non-target species is known as? - (ANSWER)selectivity
plants actively growing under optimal growth conditions generally exhibit optimal
absorption and translocation of herbicides - (ANSWER)true
what is the term that refers to the time that an herbicide remains in the
environment? - (ANSWER)persistence
the acquired ability of a plant to survive and reproduce following exposure to a
dose of a herbicide normally lethal to the wild type - (ANSWER)resistance
the inherent ability of a species to survive and reproduce after herbicide
treatment - (ANSWER)tolerance
what is the key factor in delaying or preventing onset of herbicide resistance -
(ANSWER)rotating herbicides with different mechanisms of action
what is the purpose of assigning a group number to an herbicide active ingredient
- (ANSWER)the group number assists managers in identifying the mechanism of
action
NATURAL AREAS AND WEED MANAGEMENT
NEWEST ACTUAL 2025/2026 TEST REVISED WITH
COMPLETE QUESTIONS AND ANSWERS /
VERIFIED/GRADED A+/
Which of the following can be considered the first assurance that an herbicide
application will not result in unwanted impacts to human health or the
environment - (ANSWER)pesticide registration
Which is the result of hydrolysis and photolysis - (ANSWER)breakdown
How is risk determined in testing pesticides for registration? - (ANSWER)the
product of hazard and exposure
what is the first and most important barrier to the absorption of an herbicide on a
leaf surface? - (ANSWER)the cuticle
What is the most important soil constituent that affects absorption of herbicides
by plant roots? - (ANSWER)humus
upward movement of materials taken up by roots - (ANSWER)xylem
downward movement of materials from the leaves to the roots -
(ANSWER)phloem
, 2
what is the general way in which a particular herbicide disrupts a plan process? -
(ANSWER)mode of action
the ability of a pesticide to control the target or pest species without harming the
non-target species is known as? - (ANSWER)selectivity
plants actively growing under optimal growth conditions generally exhibit optimal
absorption and translocation of herbicides - (ANSWER)true
what is the term that refers to the time that an herbicide remains in the
environment? - (ANSWER)persistence
the acquired ability of a plant to survive and reproduce following exposure to a
dose of a herbicide normally lethal to the wild type - (ANSWER)resistance
the inherent ability of a species to survive and reproduce after herbicide
treatment - (ANSWER)tolerance
what is the key factor in delaying or preventing onset of herbicide resistance -
(ANSWER)rotating herbicides with different mechanisms of action
what is the purpose of assigning a group number to an herbicide active ingredient
- (ANSWER)the group number assists managers in identifying the mechanism of
action
