Page | 1
MDARD CORE PESTICIDE EXAM
2025 BRAND NEW ACTUAL EXAM
WITH ANSWERS.
List some types of adjuvants - correct answer--antifoaming
-Surfactants (wetting agents, spreaders)
-extenders
-stickers
-plant penetrators
-compatibility agents
-buffers or pH modifiers
-drift retardants
-defoaming agents
-thickeners
Define surfactant - correct answer-an inert ingredient that
enhances the dispersing, spreading, and wetting properties of
spray droplets, allow the pesticide to spread evenly over the
surface of a leaf
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The capacity of a pesticide to cause short-term (acute) or long-
term (chronic) injury is referred to as its ____________ - correct
answer-toxicity
Which statement about harmful effects of pesticides is false?
a) the most common form of pesticide injury is by inhalation
b) asthma-like symptoms may be caused by allergies to
pesticides
c) many herbicides and fungicides cause dermatitis (skin reaction)
- correct answer-a) the most common form of pesticide injury is by
inhalation
Which signal word is associated with very low oral LD50 values? -
correct answer-DANGER-POISON
Which statements about pesticide toxicity is true?
a) a pesticide with an oral LD50 of 5mg/kg is more toxic than a
pesticide with an LD50 of 250mg/kg
b) Manufacturers are not required to include chronic toxicity
warning statements on product labels
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c) the signal word on the product label indicates how likely the
product is to cause both acute and chronic toxic effects - correct
answer-a) a pesticide with an oral LD50 of 5mg/kg is more toxic
than a pesticide with an LD50 of 250mg/kg
For which class(es) of pesticides might cholinesterase monitoring
be appropriate?
a) Organophosphate and carbamate insecticides
b) pyrethoids
c) phenoxy herbicides, such as 2,4-D - correct answer-a)
Organophosphate and carbamate insecticides
Which statement about what happens to pesticides inside the
body is true?
a) most pesticides used today are stored in our body fat
b) the kidneys filter pesticides from the blood into the urine
c) most chemical breakdown of toxic substances takes place
wherever the pesticide is first absorbed - correct answer-b) the
kidneys filter pesticides from the blood into the urine
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Which statement about pesticide exposure routes is true?
a) studies show that about 97% of all body exposure to pesticides
during a spraying operation is by inhalation
b) eating, drinking, smoking without first washing hands after
handling pesticides is likely to transfer the product to your mouth
c) the palms and forearms absorb pesticides more quickly than
the scalp, ear canal, and forehead - correct answer-b) eating,
drinking, smoking without first washing hands after handling
pesticides is likely to transfer the product to your mouth
Which statement about first aid response for pesticide exposure
to the eye is false?
a) you should hold the eye open and immediately begin gently
washing it
b) you should drip water directly into the eye
c) you should flush under the eyelid with water to remove debris -
correct answer-b) you should drip water directly into the eye
What is the first thing you should do to help a victim of inhalation
exposures?
a) get the victim to fresh air
MDARD CORE PESTICIDE EXAM
2025 BRAND NEW ACTUAL EXAM
WITH ANSWERS.
List some types of adjuvants - correct answer--antifoaming
-Surfactants (wetting agents, spreaders)
-extenders
-stickers
-plant penetrators
-compatibility agents
-buffers or pH modifiers
-drift retardants
-defoaming agents
-thickeners
Define surfactant - correct answer-an inert ingredient that
enhances the dispersing, spreading, and wetting properties of
spray droplets, allow the pesticide to spread evenly over the
surface of a leaf
, Page | 2
The capacity of a pesticide to cause short-term (acute) or long-
term (chronic) injury is referred to as its ____________ - correct
answer-toxicity
Which statement about harmful effects of pesticides is false?
a) the most common form of pesticide injury is by inhalation
b) asthma-like symptoms may be caused by allergies to
pesticides
c) many herbicides and fungicides cause dermatitis (skin reaction)
- correct answer-a) the most common form of pesticide injury is by
inhalation
Which signal word is associated with very low oral LD50 values? -
correct answer-DANGER-POISON
Which statements about pesticide toxicity is true?
a) a pesticide with an oral LD50 of 5mg/kg is more toxic than a
pesticide with an LD50 of 250mg/kg
b) Manufacturers are not required to include chronic toxicity
warning statements on product labels
, Page | 3
c) the signal word on the product label indicates how likely the
product is to cause both acute and chronic toxic effects - correct
answer-a) a pesticide with an oral LD50 of 5mg/kg is more toxic
than a pesticide with an LD50 of 250mg/kg
For which class(es) of pesticides might cholinesterase monitoring
be appropriate?
a) Organophosphate and carbamate insecticides
b) pyrethoids
c) phenoxy herbicides, such as 2,4-D - correct answer-a)
Organophosphate and carbamate insecticides
Which statement about what happens to pesticides inside the
body is true?
a) most pesticides used today are stored in our body fat
b) the kidneys filter pesticides from the blood into the urine
c) most chemical breakdown of toxic substances takes place
wherever the pesticide is first absorbed - correct answer-b) the
kidneys filter pesticides from the blood into the urine
, Page | 4
Which statement about pesticide exposure routes is true?
a) studies show that about 97% of all body exposure to pesticides
during a spraying operation is by inhalation
b) eating, drinking, smoking without first washing hands after
handling pesticides is likely to transfer the product to your mouth
c) the palms and forearms absorb pesticides more quickly than
the scalp, ear canal, and forehead - correct answer-b) eating,
drinking, smoking without first washing hands after handling
pesticides is likely to transfer the product to your mouth
Which statement about first aid response for pesticide exposure
to the eye is false?
a) you should hold the eye open and immediately begin gently
washing it
b) you should drip water directly into the eye
c) you should flush under the eyelid with water to remove debris -
correct answer-b) you should drip water directly into the eye
What is the first thing you should do to help a victim of inhalation
exposures?
a) get the victim to fresh air
