ILLINOIS GENERAL STANDARDS PESTICIDE EXAM AND PRACTICE EXAM NEWEST 2026 ACTUAL EXAM 290 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+

ILLINOIS GENERAL STANDARDS PESTICIDE EXAM AND PRACTICE EXAM NEWEST 2026 ACTUAL EXAM 290 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+

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ILLINOIS GENERAL STANDARDS PESTICIDE

EXAM AND PRACTICE EXAM NEWEST 2026

ACTUAL EXAM 290 QUESTIONS AND CORRECT

DETAILED ANSWERS (VERIFIED ANSWERS)

|ALREADY GRADED A+

ILLINOIS GENERAL STANDARDS PESTICIDE EXAM

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 antisiphoning 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

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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 periods of calm/inversion

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Which of these conditions is most likely to result in runoff?

a. Sloping areas

b. Areas with little ground cover

c. Intense rainfall

d. All of the above - ANSWER- All of the above

How do you determine if the pesticide you are using is prone to

volatilization? - ANSWER- Check the label, it often indicates

What are two ways for pesticides to move downwind to nontarget areas?

a. By vapor drift and particle drift

b. By runoff and soil erosion

c. By microbial degradation and photodegradation

d. By leaching through the soil profile into underground rivers -

ANSWER- By vapor drift and particle drift

What is the major concern of drift? - ANSWER- Off target

damage to vegetation and people

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What is the major complaint the Department of Agriculture

receives about spraying? - ANSWER- Spray drift from farms

Who do you have to contact if you have a chemical spill? -

ANSWER- Illinois Emergency Management Agency (IEMA).

They will notify the appropriate agency OR Contact the

emergency number on the label

What does FIFRA stand for and what agency is the lead

administrative agency? - ANSWER- The Federal Insecticide,

Fungicide and Rodenticide ACT administered by the U.S.

Environmental Protection Agency (USEPA) that regulates

pesticide use and registration

What federal agency regulated the registration of pesticides and

the proper certification of pesticide applicators in the U.S.? -

ANSWER- U.S. Environmental Protection Agency (USEPA)

What act regulates the registration, storage, handling and

distribution of pesticides in the state of Illinois? - ANSWERIllinois Pesticide Act

What law is administered by the Occupational Safety and Health

Administration (OSHA) that requires that employees be