Certification – Category 6 (Right-of-Way Pest Control)
exam 2026/2027ACTUAL QUESTIONS AND DETAILED
ANSWERS LATEST UPDATE|
Basal bark treatment is not recommended for woody
species larger than 6" in diameter: - ANSWER-The bark
prevents penetration of the herbicide and reduces
effectiveness
The greatest risk involved with roadside spraying of
phenoxy herbicides is: - ANSWER-Damage to non-target
plants due to drift
, The best time to treat many perennials developing from an
established root system is: - ANSWER-During early
flowering
The differences between drift and volatilization of an
herbicide are: - ANSWER-Only herbicides with high vapor
pressures are susceptible to volatilization AND drift can be
controlled by adjusting spray pressure, whereas
volatilization can not
Name a plant type that lives for one year: - ANSWER-
Annual