Illinois Pesticide General Standards Test Study Guide Most
Recent Exam 2025/2026 Actual Complete Real Exam Questions
And Correct Answers (Verified Answers) Already Graded A+
Guaranteed Success!! Newest Exam / Just Released!!
What order do you put these in a tank to mix them properly
Soluble powders (SP), Wettable powders (WP) and Flowable
(F)? - ANSWER-Fill tank 1/4 to 1/2 full with carrier
Begin agitation
Add utility agents if needed (buffers)
Add Dry pesticides: Wettable Powder (WP)
Add Wet pesticides: Flowable (F)
Add Solution forming pesticides: Soluble (SP)
Add Spray modifiers
Finish filling tank with carrier
What happens with Wettable Powders (WP)? - ANSWER-They
wear out pumps
and
nozzles
What are necessary for development of an infectious
plant disease? -
ANSWER-Susceptible host, Plant Pathogen, Favorable
Environment and Time
,What type of weed germinates in the spring, develops a root
system and low
growing cluster of leaves called a rosette? - ANSWER-A
Biennial Weed
Which of the following is a type of
pesticide?
a. Wettable powder
b.
Microencapsulated
c. Surfactant
d. Soluble Powder - ANSWER-Surfactant
Pesticide failure can be caused by which of the
following? a. pest resistance
b. inappropriate rate of pesticide used
c. environmental factors unfavorable for pesticide activity
d. all of the above - ANSWER-All of the above
A biennial weed is?
a. Grows and sets seed every other year, staying dormant
underground on alternate years
b. Flowers and set seeds twice per year
c. Grows vegetatively for two years and flowers and set seed on
the third year
d. Grows vegetatively for one year and flowers and set seeds
during the second year - ANSWER-Grows vegetatively for
one year and flowers and set seeds during the second year
,What type of treatment is most effective against perennial
weeds? - ANSWER-
A systemic (translocated) herbicide to control vegetative
reproductive parts
What does LD 50 stand for? - ANSWER-Dose that kills half of
the test animals
(stands for lethal dose (LD)
for 50%)
How do you prevent back-siphoning of pesticide back into the
water supply? - ANSWER-Keeping an air gap or using anti-
siphoning devices on garden hoses
How should you transport herbicide? - ANSWER-Checks to
make sure all containers are not leaking. Do not transport with:
Food animal feed or animal supplies. Tie down and secure
containers
How should you store herbicide? - ANSWER-Store downwind
and downhill from houses, play areas and ponds
Store away from human and livestock areas to avoid
contamination in case of fire
Signs posted with a locked door
What type of exposure occurs if chemical blows onto an
operator's chest? -
, ANSWER-Dermal
exposure
If you spill HIGHLY CONCENTRATED TOXIC chemicals on your
clothing now
how should you clean them? - ANSWER-Do not clean them...
dispose of them
immediately and change into
clean clothes
What is the most serious dermal exposure? - ANSWER-When a
pesticide mixed
with oil crosses the skin barrier and into the bloodstream, the
results can be
fatal
What are the factors affecting pesticides making its way into
the groundwater? - ANSWER-Pesticide properties, (absorption
and solubility), Soil properties (soil texture and organic matter),
Site conditions (depth of groundwater, slope & climate),
Management practices (mishandling, not following directions)
Example- Leaching occurs more in sandy soil or runoff on
sloped areas
When should you not spray to prevent drift? - ANSWER-When
winds are over
10 mph, wind is blowing towards sensitive areas, wind are
shifting and during
Recent Exam 2025/2026 Actual Complete Real Exam Questions
And Correct Answers (Verified Answers) Already Graded A+
Guaranteed Success!! Newest Exam / Just Released!!
What order do you put these in a tank to mix them properly
Soluble powders (SP), Wettable powders (WP) and Flowable
(F)? - ANSWER-Fill tank 1/4 to 1/2 full with carrier
Begin agitation
Add utility agents if needed (buffers)
Add Dry pesticides: Wettable Powder (WP)
Add Wet pesticides: Flowable (F)
Add Solution forming pesticides: Soluble (SP)
Add Spray modifiers
Finish filling tank with carrier
What happens with Wettable Powders (WP)? - ANSWER-They
wear out pumps
and
nozzles
What are necessary for development of an infectious
plant disease? -
ANSWER-Susceptible host, Plant Pathogen, Favorable
Environment and Time
,What type of weed germinates in the spring, develops a root
system and low
growing cluster of leaves called a rosette? - ANSWER-A
Biennial Weed
Which of the following is a type of
pesticide?
a. Wettable powder
b.
Microencapsulated
c. Surfactant
d. Soluble Powder - ANSWER-Surfactant
Pesticide failure can be caused by which of the
following? a. pest resistance
b. inappropriate rate of pesticide used
c. environmental factors unfavorable for pesticide activity
d. all of the above - ANSWER-All of the above
A biennial weed is?
a. Grows and sets seed every other year, staying dormant
underground on alternate years
b. Flowers and set seeds twice per year
c. Grows vegetatively for two years and flowers and set seed on
the third year
d. Grows vegetatively for one year and flowers and set seeds
during the second year - ANSWER-Grows vegetatively for
one year and flowers and set seeds during the second year
,What type of treatment is most effective against perennial
weeds? - ANSWER-
A systemic (translocated) herbicide to control vegetative
reproductive parts
What does LD 50 stand for? - ANSWER-Dose that kills half of
the test animals
(stands for lethal dose (LD)
for 50%)
How do you prevent back-siphoning of pesticide back into the
water supply? - ANSWER-Keeping an air gap or using anti-
siphoning devices on garden hoses
How should you transport herbicide? - ANSWER-Checks to
make sure all containers are not leaking. Do not transport with:
Food animal feed or animal supplies. Tie down and secure
containers
How should you store herbicide? - ANSWER-Store downwind
and downhill from houses, play areas and ponds
Store away from human and livestock areas to avoid
contamination in case of fire
Signs posted with a locked door
What type of exposure occurs if chemical blows onto an
operator's chest? -
, ANSWER-Dermal
exposure
If you spill HIGHLY CONCENTRATED TOXIC chemicals on your
clothing now
how should you clean them? - ANSWER-Do not clean them...
dispose of them
immediately and change into
clean clothes
What is the most serious dermal exposure? - ANSWER-When a
pesticide mixed
with oil crosses the skin barrier and into the bloodstream, the
results can be
fatal
What are the factors affecting pesticides making its way into
the groundwater? - ANSWER-Pesticide properties, (absorption
and solubility), Soil properties (soil texture and organic matter),
Site conditions (depth of groundwater, slope & climate),
Management practices (mishandling, not following directions)
Example- Leaching occurs more in sandy soil or runoff on
sloped areas
When should you not spray to prevent drift? - ANSWER-When
winds are over
10 mph, wind is blowing towards sensitive areas, wind are
shifting and during
