Texas Pesticide Applicator General Standards Exam 200
Practice Questions with Correct Answers/ 2025 TX
Pesticide Applicator General Standards Test Prep
(new!)COVERING THE MOST TESTED QUESTIONS
The Texas Pesticide Applicator General Standards Exam is required for individuals seeking
certification to legally apply restricted-use pesticides in Texas. Administered by the Texas
Department of Agriculture, the exam tests knowledge in pesticide safety, legal regulations,
environmental protection, labeling, and application procedures. Passing this exam is
necessary before taking any category-specific pesticide certification tests.
If unsupervised, you must have a license to legally work with restricted pesticides, but not to work
with state-limited pesticides.
T/F - CORRECT ANSWER-False
To legally perform structural pest control, you must have a license regardless of the kinds of
pesticides you use. T/F - CORRECT ANSWER-True
Which pesticide solution is most likely to be absorbed through the skin?
a. Oil-based
b. Water-based
c. Dry - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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. - CORRECT ANSWER-Cholinesterase
___________ effects occur at the site of contact with a pesticide while ___________ effects occur
away from the point of contact. - CORRECT ANSWER-Local, systemic
Skin rash, nausea, eye irritation, and dizziness are examples of ___________ toxic effects. -
CORRECT 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. - CORRECT ANSWER-half (50%)
The smaller the LD 50 value, the less chemical required to fatal, so the more poisonous the pesticide.
T/F - CORRECT 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. - CORRECT 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. - CORRECT 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. - CORRECT ANSWER-Concentration
Six milligrams per kilogram (mg/kg) is equal to __________ parts per million. - CORRECT
ANSWER-six
What signal word must be on the label for pesticides classified as "relatively non-toxic"
a. CAUTION!
b. DANGER!
c. WARNING! - CORRECT ANSWER-a. CAUTION!
What signal word must be on the label for pesticides classified as "Highly toxic"?
a. CAUTION!
b. DANGER!
c. WARNING! - CORRECT ANSWER-b. DANGER!
What signal word must be on the label for pesticides classified as "Slightly toxic"?
a. CAUTION!
b. DANGER!
c. WARNING! - CORRECT ANSWER-a. CAUTION!
What signal word must be on the label for pesticides classified as "moderately toxic"?
a. CAUTION
b. DANGER
c. WARNING - CORRECT ANSWER-c. WARNING
Practice Questions with Correct Answers/ 2025 TX
Pesticide Applicator General Standards Test Prep
(new!)COVERING THE MOST TESTED QUESTIONS
The Texas Pesticide Applicator General Standards Exam is required for individuals seeking
certification to legally apply restricted-use pesticides in Texas. Administered by the Texas
Department of Agriculture, the exam tests knowledge in pesticide safety, legal regulations,
environmental protection, labeling, and application procedures. Passing this exam is
necessary before taking any category-specific pesticide certification tests.
If unsupervised, you must have a license to legally work with restricted pesticides, but not to work
with state-limited pesticides.
T/F - CORRECT ANSWER-False
To legally perform structural pest control, you must have a license regardless of the kinds of
pesticides you use. T/F - CORRECT ANSWER-True
Which pesticide solution is most likely to be absorbed through the skin?
a. Oil-based
b. Water-based
c. Dry - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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. - CORRECT ANSWER-Cholinesterase
___________ effects occur at the site of contact with a pesticide while ___________ effects occur
away from the point of contact. - CORRECT ANSWER-Local, systemic
Skin rash, nausea, eye irritation, and dizziness are examples of ___________ toxic effects. -
CORRECT 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. - CORRECT ANSWER-half (50%)
The smaller the LD 50 value, the less chemical required to fatal, so the more poisonous the pesticide.
T/F - CORRECT 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. - CORRECT 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. - CORRECT 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. - CORRECT ANSWER-Concentration
Six milligrams per kilogram (mg/kg) is equal to __________ parts per million. - CORRECT
ANSWER-six
What signal word must be on the label for pesticides classified as "relatively non-toxic"
a. CAUTION!
b. DANGER!
c. WARNING! - CORRECT ANSWER-a. CAUTION!
What signal word must be on the label for pesticides classified as "Highly toxic"?
a. CAUTION!
b. DANGER!
c. WARNING! - CORRECT ANSWER-b. DANGER!
What signal word must be on the label for pesticides classified as "Slightly toxic"?
a. CAUTION!
b. DANGER!
c. WARNING! - CORRECT ANSWER-a. CAUTION!
What signal word must be on the label for pesticides classified as "moderately toxic"?
a. CAUTION
b. DANGER
c. WARNING - CORRECT ANSWER-c. WARNING
