LOWA 11F PESTICIDE APPLICATOR
CERTIFICATION EXAM 2026/2027 WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS |CURRENTLY TESTING
QUESTIONS AND SOLUTIONS|ALREADY
GRADED A+|NEWEST |BRAND NEW VERSION!!|
|JUST RELEASED
The mode of action of a herbicide refers to
A. The chemical structure of the herbicide
B. The chain of events of process that causes plant injury or death
C. The location within the plant where the herbicide binds
D. The target protein in the plant is affected
B. The chain of events of process that causes plant injury or death
What part of the body absorbs pesticides to a greater degree
A. Groin
B. Forearms
C. Feet
D. Palms
A. Groin
Is it good practice to calculate the rate per acre to check on the gate setting several times a
day, many things can happen to affect the rate
1|Page
,A. Foreign material may enter the hopper and plug a gate or spreader opening
B. Moisture may condense in the hopper overnight
C. Water may splash on the spreader during taxi or takeoff and cause wet areas
D. All of the above
D. All of the above
A dark water soluble dye solution should be used when testing a liquid aircraft system
because
A. The dye will help any obstructions from the dispersal system and nozzle
B. The dye will make any leaks or plugged drop pipes easy to spot
C. All of the above
D. None of the above
B. The dye will make any leaks or plugged drop pipes easy to spot
Which dispersal system is the most widely used
A. Liquid dispersal systems
B. Ram air spreaders
C. Dry granular dispersal systems
Centrifugal spreaders
A. Liquid dispersal systems
The best time for evaluating the pattern and determining the effective swath width of an
aircraft is
A. Late in the afternoon during the heat of the day
B. When wind speeds are a constant 20 knots
C. Early in the morning before the sun heats the ground and causes thermal turbulence
D. B and C
2|Page
,C. Early in the morning before the sun heats the ground and causes thermal turbulence
The droplet spectrum produced when the nozzle is pointed back (in the same direction as
the airflow) will ___ when the nozzle is pointed down
A. Have no effect in the size
B. be smaller
C. Be larger
C. Be larger
Pesticide drift can be best defined as
A. Applying pestcide beyond the boundary of the target area
B. A liquid dispersal system
C. The movement of pesticide in air currents or by diffusion onto property beyond the
boundaries of the target area
D. None of the above
C. the movement of pesticide in air currents or by diffusion onto property beyond the
boundaries of the target area
Before selecting a pesticide for use on filed crops, be sure that ___ is on the label
A. Tolerance schedule
B. The pest and the crop
C. Residual estimate
D. All of the above
B. The pest and the crop
Before applying pesticides by aircraft it is necessary to have the following
A. A valid pilot certificate
3|Page
, B. A valid agriculture aircraft operator certificate issued to you or by your employer by the
FAA
C. An aircraft certified as air worthy
D. All of the above
E. Only b and c
D. All of the above
Summer annual broadleaf weeds in pastures
A. Should be sprayed in the fall when they have fully expanded leaves
B. Should be sprayed in the spring when they have fully expanded leaves
C. Spread by buds on their roots
D. Are never a problem
C. Germinate in the fall
B. Should be sprayed in the spring when they have fully expanded leaves
A pesticide having an LD 50 of 80 is___ than a pesticide having an LD 50 of 160
A. Less toxic
B. More concentrated
C. Less concentrate
D. More toxic
D. More toxic
Medical antidotes listed on the pesticide label should be taken
A. Only when prescribed by a qualified physician
B. Immediately following either inhaling or ingesting a pesticide on the skin
C. Just before an application begins working with highly toxic pesticides
D. As soon as you think pesticide symptoms exist
4|Page
CERTIFICATION EXAM 2026/2027 WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS |CURRENTLY TESTING
QUESTIONS AND SOLUTIONS|ALREADY
GRADED A+|NEWEST |BRAND NEW VERSION!!|
|JUST RELEASED
The mode of action of a herbicide refers to
A. The chemical structure of the herbicide
B. The chain of events of process that causes plant injury or death
C. The location within the plant where the herbicide binds
D. The target protein in the plant is affected
B. The chain of events of process that causes plant injury or death
What part of the body absorbs pesticides to a greater degree
A. Groin
B. Forearms
C. Feet
D. Palms
A. Groin
Is it good practice to calculate the rate per acre to check on the gate setting several times a
day, many things can happen to affect the rate
1|Page
,A. Foreign material may enter the hopper and plug a gate or spreader opening
B. Moisture may condense in the hopper overnight
C. Water may splash on the spreader during taxi or takeoff and cause wet areas
D. All of the above
D. All of the above
A dark water soluble dye solution should be used when testing a liquid aircraft system
because
A. The dye will help any obstructions from the dispersal system and nozzle
B. The dye will make any leaks or plugged drop pipes easy to spot
C. All of the above
D. None of the above
B. The dye will make any leaks or plugged drop pipes easy to spot
Which dispersal system is the most widely used
A. Liquid dispersal systems
B. Ram air spreaders
C. Dry granular dispersal systems
Centrifugal spreaders
A. Liquid dispersal systems
The best time for evaluating the pattern and determining the effective swath width of an
aircraft is
A. Late in the afternoon during the heat of the day
B. When wind speeds are a constant 20 knots
C. Early in the morning before the sun heats the ground and causes thermal turbulence
D. B and C
2|Page
,C. Early in the morning before the sun heats the ground and causes thermal turbulence
The droplet spectrum produced when the nozzle is pointed back (in the same direction as
the airflow) will ___ when the nozzle is pointed down
A. Have no effect in the size
B. be smaller
C. Be larger
C. Be larger
Pesticide drift can be best defined as
A. Applying pestcide beyond the boundary of the target area
B. A liquid dispersal system
C. The movement of pesticide in air currents or by diffusion onto property beyond the
boundaries of the target area
D. None of the above
C. the movement of pesticide in air currents or by diffusion onto property beyond the
boundaries of the target area
Before selecting a pesticide for use on filed crops, be sure that ___ is on the label
A. Tolerance schedule
B. The pest and the crop
C. Residual estimate
D. All of the above
B. The pest and the crop
Before applying pesticides by aircraft it is necessary to have the following
A. A valid pilot certificate
3|Page
, B. A valid agriculture aircraft operator certificate issued to you or by your employer by the
FAA
C. An aircraft certified as air worthy
D. All of the above
E. Only b and c
D. All of the above
Summer annual broadleaf weeds in pastures
A. Should be sprayed in the fall when they have fully expanded leaves
B. Should be sprayed in the spring when they have fully expanded leaves
C. Spread by buds on their roots
D. Are never a problem
C. Germinate in the fall
B. Should be sprayed in the spring when they have fully expanded leaves
A pesticide having an LD 50 of 80 is___ than a pesticide having an LD 50 of 160
A. Less toxic
B. More concentrated
C. Less concentrate
D. More toxic
D. More toxic
Medical antidotes listed on the pesticide label should be taken
A. Only when prescribed by a qualified physician
B. Immediately following either inhaling or ingesting a pesticide on the skin
C. Just before an application begins working with highly toxic pesticides
D. As soon as you think pesticide symptoms exist
4|Page
