IOWA APPLICATOR 11F EXAM REAL EXAM
2026 | ALL QUESTIONS AND CORRECT
ANSWERS | VERIFIED ANSWERS | UPDATED
VERSION!
Which of the following should be used to prevent the contamination of
aquatic organisms
A. Spray when temps are at the highest point of the day
B. Choose long residual pesticides
C. Use chemicals that tightly absorb to the soil particles
D. Operate the sprayer so that t produces a very fine spray ---------
CORRECT ANSWER-----------------C. Use chemicals that tightly absorb to
the soil particles
Contamination of groundwater can be minimized by using pesticides
that are
A. highly toxic
B. low in water solubility
C. Loosely absorbed to the soil
,D. Persistant ---------CORRECT ANSWER-----------------C. low in water
solubility
Herbicide runoff from treated fields can be reduced by
A. Avoiding back siphoning
B. Installing grass buffer strips
C. Reducing Crop residue on soil surface
D. Spraying in the early morning and evening ---------CORRECT ANSWER-
----------------B. Installing grass buffer strips
You should always handle insecticide using good, clean ___ rubber
gloves
A. Unlined
B. Lined ---------CORRECT ANSWER-----------------A. Unlined
Herbicide injury symptoms on soybean plants that include stunting, leaf
yellowing and red veins on the underside of the leaf are characteristic
,A. Microtubule inhibitors
B. ACCase inhibitors
C. Photosystem inhibitors
D. ALS inhibitors ---------CORRECT ANSWER-----------------D. ALS inhibitors
Which type of herbicide usually requires the most thorough spray
coverage for satisfactory control
A. Systemic
B. Nonselective
C. Translocated
D. Contact ---------CORRECT ANSWER-----------------D. Contact
Reasons to apply pesticides by air rather by ground equipment might
include
A. Aerial dispersal systems are superior to ground equipment
B. Mid-season crops or forest stands can be treated for which ground
equipment
C. The$/Acre is about the same but larger areas can be covered
, D. All of the above ---------CORRECT ANSWER-----------------B. Mid season
crops or forest stands can be treated for which ground equipment cant
Before applying foliar fungicide to corn for the control of corn leaf
diseases check the label for direction on
A. The type of corn
B. Re-entry statement
C. Application equipment which can be used ---------CORRECT ANSWER--
---------------B. Re entry statement
The tank hopper of a liquid dispersal system should
A. Have very fine line screens
B. Have a large emergency gate through which the load can be dumped
C. Be either white or yellow in color for visibility
D. All of the above ---------CORRECT ANSWER-----------------B. have a large
emergency
2026 | ALL QUESTIONS AND CORRECT
ANSWERS | VERIFIED ANSWERS | UPDATED
VERSION!
Which of the following should be used to prevent the contamination of
aquatic organisms
A. Spray when temps are at the highest point of the day
B. Choose long residual pesticides
C. Use chemicals that tightly absorb to the soil particles
D. Operate the sprayer so that t produces a very fine spray ---------
CORRECT ANSWER-----------------C. Use chemicals that tightly absorb to
the soil particles
Contamination of groundwater can be minimized by using pesticides
that are
A. highly toxic
B. low in water solubility
C. Loosely absorbed to the soil
,D. Persistant ---------CORRECT ANSWER-----------------C. low in water
solubility
Herbicide runoff from treated fields can be reduced by
A. Avoiding back siphoning
B. Installing grass buffer strips
C. Reducing Crop residue on soil surface
D. Spraying in the early morning and evening ---------CORRECT ANSWER-
----------------B. Installing grass buffer strips
You should always handle insecticide using good, clean ___ rubber
gloves
A. Unlined
B. Lined ---------CORRECT ANSWER-----------------A. Unlined
Herbicide injury symptoms on soybean plants that include stunting, leaf
yellowing and red veins on the underside of the leaf are characteristic
,A. Microtubule inhibitors
B. ACCase inhibitors
C. Photosystem inhibitors
D. ALS inhibitors ---------CORRECT ANSWER-----------------D. ALS inhibitors
Which type of herbicide usually requires the most thorough spray
coverage for satisfactory control
A. Systemic
B. Nonselective
C. Translocated
D. Contact ---------CORRECT ANSWER-----------------D. Contact
Reasons to apply pesticides by air rather by ground equipment might
include
A. Aerial dispersal systems are superior to ground equipment
B. Mid-season crops or forest stands can be treated for which ground
equipment
C. The$/Acre is about the same but larger areas can be covered
, D. All of the above ---------CORRECT ANSWER-----------------B. Mid season
crops or forest stands can be treated for which ground equipment cant
Before applying foliar fungicide to corn for the control of corn leaf
diseases check the label for direction on
A. The type of corn
B. Re-entry statement
C. Application equipment which can be used ---------CORRECT ANSWER--
---------------B. Re entry statement
The tank hopper of a liquid dispersal system should
A. Have very fine line screens
B. Have a large emergency gate through which the load can be dumped
C. Be either white or yellow in color for visibility
D. All of the above ---------CORRECT ANSWER-----------------B. have a large
emergency