TEXAS PESTICIDE APPLICATOR LATEST
EXAM PREP QUESTIONS AND ANSWERS PDF
2026
▶ What is pesticide exposure?
a. Coming in contact with a pesticide
b. Being poisoned by a pesticide
c. Neither of the above
d. Both of the above. Answer: a. Coming in contact with a pesticide
▶ _________ _________ refers to how poisonous a pesticide is after
short-term exposure.. Answer: Acute toxicity
▶ _________ _________ is a one-time or short-term contact with
pesticide.. Answer: Acute exposure
▶ __________ __________ is a delayed poisonous effect from exposure
to a substance.. Answer: Chronic toxicity
▶ _________ _________ is long-term repeated contact with pesticides..
Answer: Chronic exposure
▶ The effects of which type of exposure---acute or chronic--- can be more
easily detected and studied?. Answer: Acute
▶ A pesticide dose is the _________ of pesticide of which a surface, plant
or animal is exposed.. Answer: Amount
▶ Name the three routes by which pesticide can enter your body.. Answer:
Dermal , oral , inhalation
▶ Some pesticide are poisonous no matter how they enter the body.
T/F. Answer: True
▶ Which pesticide solution is most likely to be absorbed through the skin?
,a. Oil-based
b. Water-based
c. Dry. Answer: a. Oil-based
▶ Which areas of the body absorb pesticides quickly?
a. Feet, hands, head, and groin
b. Scalp, nose, hands, and arms
c. Face, hands, torso, and scalp
d. Eyes, ears, scalp, and genitals. Answer: d. Eyes, ears, scalp, and
genitals
▶ Which two routes of entry are likely to be the most important to you?
a. Dermal and oral
b. Dermal and inhalation
c. Inhalation and oral
d. None of the above. Answer: b. Dermal and inhalation
▶ Which factor affects the toxicity of a pesticide?
a. Route of entry
b. frequency and duration (rate) of exposure
c. Does received
d. All of the above. Answer: d. All of the above
▶ An example of a chronic effect is the drop in __________, an essential
body enzyme, caused by organophosphates and carbamates.. Answer:
Cholinesterase
▶ ___________ effects occur at the site of contact with a pesticide while
___________ effects occur away from the point of contact.. Answer: Local,
systemic
▶ Skin rash, nausea, eye irritation, and dizziness are examples of
___________ toxic effects.. Answer: Reversible
▶ LD 50 means "lethal dose fifty" it refers to the amount of chemical that
kills __________ the animals exposed to it in a laboratory test.. Answer:
half (50%)
▶ The smaller the LD 50 value, the less chemical required to fatal, so the
more poisonous the pesticide. T/F. Answer: True
, ▶ Acute oral toxicity and acute dermal toxicity are measured as LD 50. The
higher the LD 50 the ___________ (more or less) toxic the pesticide..
Answer: Less
▶ How is LD 50 used?
a. LD 50 is used with other tests to place pesticides in a " toxic category"
and give them a "signal word."
b. LD 50 is used to compare the toxicity of different chemicals.
c. LD 50 is used to tell how a chemical acts and how sensitive different
organs within an animal or human might be.. Answer: a. LD 50 is used with
other tests to place pesticides in a " toxic category" and give them a "signal
word."
▶ LC 50 means "lethal _________ fifty." It refers to the amount of chemical
in the air that caused half of the test animals to die when they inhaled it..
Answer: Concentration
▶ Six milligrams per kilogram (mg/kg) is equal to __________ parts per
million.. Answer: six
▶ What signal word must be on the label for pesticides classified as
"relatively non-toxic"
a. CAUTION!
b. DANGER!
c. WARNING!. Answer: a. CAUTION!
▶ What signal word must be on the label for pesticides classified as "Highly
toxic"?
a. CAUTION!
b. DANGER!
c. WARNING!. Answer: b. DANGER!
▶ What signal word must be on the label for pesticides classified as
"Slightly toxic"?
a. CAUTION!
b. DANGER!
c. WARNING!. Answer: a. CAUTION!
EXAM PREP QUESTIONS AND ANSWERS PDF
2026
▶ What is pesticide exposure?
a. Coming in contact with a pesticide
b. Being poisoned by a pesticide
c. Neither of the above
d. Both of the above. Answer: a. Coming in contact with a pesticide
▶ _________ _________ refers to how poisonous a pesticide is after
short-term exposure.. Answer: Acute toxicity
▶ _________ _________ is a one-time or short-term contact with
pesticide.. Answer: Acute exposure
▶ __________ __________ is a delayed poisonous effect from exposure
to a substance.. Answer: Chronic toxicity
▶ _________ _________ is long-term repeated contact with pesticides..
Answer: Chronic exposure
▶ The effects of which type of exposure---acute or chronic--- can be more
easily detected and studied?. Answer: Acute
▶ A pesticide dose is the _________ of pesticide of which a surface, plant
or animal is exposed.. Answer: Amount
▶ Name the three routes by which pesticide can enter your body.. Answer:
Dermal , oral , inhalation
▶ Some pesticide are poisonous no matter how they enter the body.
T/F. Answer: True
▶ Which pesticide solution is most likely to be absorbed through the skin?
,a. Oil-based
b. Water-based
c. Dry. Answer: a. Oil-based
▶ Which areas of the body absorb pesticides quickly?
a. Feet, hands, head, and groin
b. Scalp, nose, hands, and arms
c. Face, hands, torso, and scalp
d. Eyes, ears, scalp, and genitals. Answer: d. Eyes, ears, scalp, and
genitals
▶ Which two routes of entry are likely to be the most important to you?
a. Dermal and oral
b. Dermal and inhalation
c. Inhalation and oral
d. None of the above. Answer: b. Dermal and inhalation
▶ Which factor affects the toxicity of a pesticide?
a. Route of entry
b. frequency and duration (rate) of exposure
c. Does received
d. All of the above. Answer: d. All of the above
▶ An example of a chronic effect is the drop in __________, an essential
body enzyme, caused by organophosphates and carbamates.. Answer:
Cholinesterase
▶ ___________ effects occur at the site of contact with a pesticide while
___________ effects occur away from the point of contact.. Answer: Local,
systemic
▶ Skin rash, nausea, eye irritation, and dizziness are examples of
___________ toxic effects.. Answer: Reversible
▶ LD 50 means "lethal dose fifty" it refers to the amount of chemical that
kills __________ the animals exposed to it in a laboratory test.. Answer:
half (50%)
▶ The smaller the LD 50 value, the less chemical required to fatal, so the
more poisonous the pesticide. T/F. Answer: True
, ▶ Acute oral toxicity and acute dermal toxicity are measured as LD 50. The
higher the LD 50 the ___________ (more or less) toxic the pesticide..
Answer: Less
▶ How is LD 50 used?
a. LD 50 is used with other tests to place pesticides in a " toxic category"
and give them a "signal word."
b. LD 50 is used to compare the toxicity of different chemicals.
c. LD 50 is used to tell how a chemical acts and how sensitive different
organs within an animal or human might be.. Answer: a. LD 50 is used with
other tests to place pesticides in a " toxic category" and give them a "signal
word."
▶ LC 50 means "lethal _________ fifty." It refers to the amount of chemical
in the air that caused half of the test animals to die when they inhaled it..
Answer: Concentration
▶ Six milligrams per kilogram (mg/kg) is equal to __________ parts per
million.. Answer: six
▶ What signal word must be on the label for pesticides classified as
"relatively non-toxic"
a. CAUTION!
b. DANGER!
c. WARNING!. Answer: a. CAUTION!
▶ What signal word must be on the label for pesticides classified as "Highly
toxic"?
a. CAUTION!
b. DANGER!
c. WARNING!. Answer: b. DANGER!
▶ What signal word must be on the label for pesticides classified as
"Slightly toxic"?
a. CAUTION!
b. DANGER!
c. WARNING!. Answer: a. CAUTION!
