COMMERCIAL APPLICATORS EXAM
1C QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS |UPDATED
2025
What are the key environmental factors that influence the development of
most plant diseases?
✔✔ Temperature and moisture
What does REI stand for in pesticide use?
✔✔ Restricted Entry Interval
How does a systemic fungicide work?
✔✔ It is absorbed into the plant and can act even after an infection begins
What is the role of a preventative fungicide?
✔✔ It forms a protective layer on plants before the pathogen arrives
What type of organism causes Stewart's wilt?
✔✔ Bacteria
What leads to the most severe outbreaks of plant diseases?
✔✔ Introduction of pathogens from other countries
What does the FRAC Code indicate?
✔✔ The fungicide’s mode of action
, Who is authorized to buy or use restricted use pesticides?
✔✔ Certified pesticide applicators or those under their supervision
never induce vomiting in a pesticide-poisoning victim if - ANSWER✔✔the victim
is unconscious or is having convulsions
the pesticide involved is corrosive
the goal of IPM - ANSWER✔✔to maintain pest damage at economically
acceptable levels
factors to consider when calibrating a sprayer - ANSWER✔✔equipment speed
nozzle pressure
spray volume to be delivered
type of carrier
using barriers to prevent pests from getting into an area is an example of what type
of pest management - ANSWER✔✔mechanical control
first step a business should take to develop a sound pesticide security program -
ANSWER✔✔risk assessment
the ability of a given material to protect an individual from a pesticide product is
largely a function of - ANSWER✔✔type of solvent used to formulate the pesticide
product
purpose of the signal word - ANSWER✔✔to give user an indication of the relative
acute toxicity of the product to humans and animals
1C QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS |UPDATED
2025
What are the key environmental factors that influence the development of
most plant diseases?
✔✔ Temperature and moisture
What does REI stand for in pesticide use?
✔✔ Restricted Entry Interval
How does a systemic fungicide work?
✔✔ It is absorbed into the plant and can act even after an infection begins
What is the role of a preventative fungicide?
✔✔ It forms a protective layer on plants before the pathogen arrives
What type of organism causes Stewart's wilt?
✔✔ Bacteria
What leads to the most severe outbreaks of plant diseases?
✔✔ Introduction of pathogens from other countries
What does the FRAC Code indicate?
✔✔ The fungicide’s mode of action
, Who is authorized to buy or use restricted use pesticides?
✔✔ Certified pesticide applicators or those under their supervision
never induce vomiting in a pesticide-poisoning victim if - ANSWER✔✔the victim
is unconscious or is having convulsions
the pesticide involved is corrosive
the goal of IPM - ANSWER✔✔to maintain pest damage at economically
acceptable levels
factors to consider when calibrating a sprayer - ANSWER✔✔equipment speed
nozzle pressure
spray volume to be delivered
type of carrier
using barriers to prevent pests from getting into an area is an example of what type
of pest management - ANSWER✔✔mechanical control
first step a business should take to develop a sound pesticide security program -
ANSWER✔✔risk assessment
the ability of a given material to protect an individual from a pesticide product is
largely a function of - ANSWER✔✔type of solvent used to formulate the pesticide
product
purpose of the signal word - ANSWER✔✔to give user an indication of the relative
acute toxicity of the product to humans and animals
