Texas Pesticide Applicators General Standards
Exam Latest Update 2025-2026 550 Questions
and 100% Verified Correct Answers Guaranteed
A+
___ devices keep spray mixture in the tank from escaping back through the hose into a
water source. -CORRECT ANSWER: antisiphoning
___ effects occur at the site of contact with a pesticide while ___ effects occur away
from the point of contact. -CORRECT ANSWER: Local & Systemic
___ percent of all insects are considered pests. -CORRECT ANSWER: One (1)
___ seals the pesticide container so that leaking of dangerous chemicals does not occur
in the final disposal. -CORRECT ANSWER: encapsulation
____ ____ is a delayed poisonous effect from exposure to a substance -CORRECT
ANSWER: Chronic Toxicity
____ ____ is a one-time or short-term contact with pesticide -CORRECT ANSWER:
Acute Exposure
____ ____ is long-term repeated contact with pesticides -CORRECT ANSWER: Chronic
Exposure
____ is the capacity of a substance to injure or poison a living system, such as a human
being, an animal, a lake or a forest? -CORRECT ANSWER: Toxicity
,_____ _____ refers to how poisonous a pesticide is after the short term exposure? -
CORRECT ANSWER: Acute toxicity
_____ _______ is your responsibility to inform nearby residents or adjacent landowners
before you apply pesticides. -CORRECT ANSWER: Prior Notification
___, also called scouting, involves early pest detection and proper pest identification. -
CORRECT ANSWER: Monitoring
"Pre-slaughter interval" or "pre-harvest interval" refers to the ___ ("least/most") number
of days allowed between the last pesticide application and the slaughter or harvest day.
-CORRECT ANSWER: Least
32 oz of water was collected from one spray nozzle in 30 seconds. What is the nozzle
delivery rate in gallons per minute? -CORRECT ANSWER: .5 GPM
A ___ inhibitor kills the immature insects by interfering with their growth and molting. -
CORRECT ANSWER: Chitin synthesis
A ___ is any chemical used to control pests. -CORRECT ANSWER: Pesticide
A ___ is the maximum amount of pesticide residue allowed on a harvested crop, set by
the EPA. -CORRECT ANSWER: Tolerance
A ___ pesticide is one that remains in the environment without breaking down. -
CORRECT ANSWER: Persistent
A fenced yard that is 200 ft wide and 300 ft long needs to be treated along a 6" band on
the inside and a 6" band on the outside of the fence. How many square feet will be
treated? -CORRECT ANSWER: 1000
,A pest is considered anything that... -CORRECT ANSWER: Injures humans, animals,
crops, structures, or possessions
Competes with humans, domestic animals or crops for food or water
Spreads disease to humans, domestic animals, or crops
A pesticide dose is the ____ of pesticide to which a surface, plant or animal is exposed -
CORRECT ANSWER: Amount
A sprayer should be cleaned after ___ days of use. -CORRECT ANSWER: 1
Acute oral toxicity and acute dermal toxicity are measured as LD50. The higher the
LD50 the ___ (more or less) toxic the pesticide. -CORRECT ANSWER: Less
All labels for slightly toxic products must carry the signal word ___. -CORRECT
ANSWER: CAUTION
All licensed commercial and noncommercial applicators must be certified in each
application category in which the practice.
a. True
b. False -CORRECT ANSWER: True
An ___ ___ is a plant or animal that is near extinction throughout all or most of its range.
-CORRECT ANSWER: Endangered Species
An ___ is a chemical added to the pesticide mixture that makes an active ingredient
more effective. -CORRECT ANSWER: adjuvant
An ___ is a geologic formation of permeable rock, sand or gravel that stores large
amounts of water. -CORRECT ANSWER: Aquifer
, An ___ pesticide is one that builds up in animal and plant tissues. -CORRECT
ANSWER: Accumulative
An example of a chronic effect is the drop in ___, an essential body enzyme, caused by
organophosphates and carbonates. -CORRECT ANSWER: Cholinesterase
Are cotton or felt hats adequate head protection against highly toxic pesticides? -
CORRECT ANSWER: No
At what level is man in the food chain? -CORRECT ANSWER: The Top
Besides meeting legal requirements, how can pesticide application records help you? -
CORRECT ANSWER: n case of damage suit, records can establish proof of proper
pesticide use
Records can help you trace residue and damage problems
Records can help you make the most efficient and effective use of pesticides, thereby
saving time and money
Can a harvested crop contain more than the set tolerance of a pesticide and still be
legally sold? -CORRECT ANSWER: No, it cannot be sold legally
Can you be sued for applying pesticides to the wrong target site, even if no damage is
done? -CORRECT ANSWER: Yes
Can you incinerate or bury surplus pesticides or containers that have mercury, lead,
cadmium, arsenic or other inorganic chemicals in them? -CORRECT ANSWER: You can
neither incinerate nor bury them
Cholinesterase tests show wether you have been overexposed to ___ or ___ pesticides.
-CORRECT ANSWER: carbamate, organophosphate
Exam Latest Update 2025-2026 550 Questions
and 100% Verified Correct Answers Guaranteed
A+
___ devices keep spray mixture in the tank from escaping back through the hose into a
water source. -CORRECT ANSWER: antisiphoning
___ effects occur at the site of contact with a pesticide while ___ effects occur away
from the point of contact. -CORRECT ANSWER: Local & Systemic
___ percent of all insects are considered pests. -CORRECT ANSWER: One (1)
___ seals the pesticide container so that leaking of dangerous chemicals does not occur
in the final disposal. -CORRECT ANSWER: encapsulation
____ ____ is a delayed poisonous effect from exposure to a substance -CORRECT
ANSWER: Chronic Toxicity
____ ____ is a one-time or short-term contact with pesticide -CORRECT ANSWER:
Acute Exposure
____ ____ is long-term repeated contact with pesticides -CORRECT ANSWER: Chronic
Exposure
____ is the capacity of a substance to injure or poison a living system, such as a human
being, an animal, a lake or a forest? -CORRECT ANSWER: Toxicity
,_____ _____ refers to how poisonous a pesticide is after the short term exposure? -
CORRECT ANSWER: Acute toxicity
_____ _______ is your responsibility to inform nearby residents or adjacent landowners
before you apply pesticides. -CORRECT ANSWER: Prior Notification
___, also called scouting, involves early pest detection and proper pest identification. -
CORRECT ANSWER: Monitoring
"Pre-slaughter interval" or "pre-harvest interval" refers to the ___ ("least/most") number
of days allowed between the last pesticide application and the slaughter or harvest day.
-CORRECT ANSWER: Least
32 oz of water was collected from one spray nozzle in 30 seconds. What is the nozzle
delivery rate in gallons per minute? -CORRECT ANSWER: .5 GPM
A ___ inhibitor kills the immature insects by interfering with their growth and molting. -
CORRECT ANSWER: Chitin synthesis
A ___ is any chemical used to control pests. -CORRECT ANSWER: Pesticide
A ___ is the maximum amount of pesticide residue allowed on a harvested crop, set by
the EPA. -CORRECT ANSWER: Tolerance
A ___ pesticide is one that remains in the environment without breaking down. -
CORRECT ANSWER: Persistent
A fenced yard that is 200 ft wide and 300 ft long needs to be treated along a 6" band on
the inside and a 6" band on the outside of the fence. How many square feet will be
treated? -CORRECT ANSWER: 1000
,A pest is considered anything that... -CORRECT ANSWER: Injures humans, animals,
crops, structures, or possessions
Competes with humans, domestic animals or crops for food or water
Spreads disease to humans, domestic animals, or crops
A pesticide dose is the ____ of pesticide to which a surface, plant or animal is exposed -
CORRECT ANSWER: Amount
A sprayer should be cleaned after ___ days of use. -CORRECT ANSWER: 1
Acute oral toxicity and acute dermal toxicity are measured as LD50. The higher the
LD50 the ___ (more or less) toxic the pesticide. -CORRECT ANSWER: Less
All labels for slightly toxic products must carry the signal word ___. -CORRECT
ANSWER: CAUTION
All licensed commercial and noncommercial applicators must be certified in each
application category in which the practice.
a. True
b. False -CORRECT ANSWER: True
An ___ ___ is a plant or animal that is near extinction throughout all or most of its range.
-CORRECT ANSWER: Endangered Species
An ___ is a chemical added to the pesticide mixture that makes an active ingredient
more effective. -CORRECT ANSWER: adjuvant
An ___ is a geologic formation of permeable rock, sand or gravel that stores large
amounts of water. -CORRECT ANSWER: Aquifer
, An ___ pesticide is one that builds up in animal and plant tissues. -CORRECT
ANSWER: Accumulative
An example of a chronic effect is the drop in ___, an essential body enzyme, caused by
organophosphates and carbonates. -CORRECT ANSWER: Cholinesterase
Are cotton or felt hats adequate head protection against highly toxic pesticides? -
CORRECT ANSWER: No
At what level is man in the food chain? -CORRECT ANSWER: The Top
Besides meeting legal requirements, how can pesticide application records help you? -
CORRECT ANSWER: n case of damage suit, records can establish proof of proper
pesticide use
Records can help you trace residue and damage problems
Records can help you make the most efficient and effective use of pesticides, thereby
saving time and money
Can a harvested crop contain more than the set tolerance of a pesticide and still be
legally sold? -CORRECT ANSWER: No, it cannot be sold legally
Can you be sued for applying pesticides to the wrong target site, even if no damage is
done? -CORRECT ANSWER: Yes
Can you incinerate or bury surplus pesticides or containers that have mercury, lead,
cadmium, arsenic or other inorganic chemicals in them? -CORRECT ANSWER: You can
neither incinerate nor bury them
Cholinesterase tests show wether you have been overexposed to ___ or ___ pesticides.
-CORRECT ANSWER: carbamate, organophosphate
