MDARD MICHIGAN CORE PESTICIDE
APPLICATOR EXAM COMPREHENSIVE
SCRIPT 2026 COMPLETE QUESTIONS AND
SOLUTIONS GRADED A+
⩥ Advantages and Disadvantages of B. Answer: adv
-RTU
-attracts pest, dont need to cover huge area
-controls mobile pests
disadv
-risk to children and pets
-may kill non-target wildlife
-requires careful placement/inspection
-dead vertebrate pests may cause odor problem
-must be removed when stops working
-may not always work if pest has other food sources
⩥ Advantages and Disadvantages of fumigants. Answer: adv
-toxic to wide range of pests
-can penetrate cracks, crevices, etc
,-single treatment will kill most pests
disadv
-target site must be enclosed to prevent gas from escaping
-nonspecific and highly toxic
-high inhalation risk
-require lots of PPE
-may require special application equipment
-some temp requirments
⩥ Advantages and Disadvantages of M Answer: adv
-coatings help protect applicator
-easy to handle, transport, store
-timed release of AI prolongs effectiveness
-reduced volatility
-reduced odor
-less likely to stain
-reduced phytotoxicity
disadv
-constant agitation may be required
-risk of harming bees
,-long restricted-entry or preharvest intervals
⩥ Advantages and Disadvantages of WSP or WSB Answer: adv
-accurate, premeasured doses
-increased handling safety
-lower risk spills
disadv
-packaged size may not match volume of equipment you have
-must be kept dry
⩥ List some types of adjuvants Answer: -antifoaming
-Surfactants (wetting agents, spreaders)
-extenders
-stickers
-plant penetrators
-compatibility agents
-buffers or pH modifiers
-drift retardants
-defoaming agents
-thickeners
, ⩥ Define surfactant 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
⩥ The capacity of a pesticide to cause short-term (acute) or long-term
(chronic) injury is referred to as its ____________ 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)
Answer: a) the most common form of pesticide injury is by inhalation
⩥ Which signal word is associated with very low oral LD50 values?
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
APPLICATOR EXAM COMPREHENSIVE
SCRIPT 2026 COMPLETE QUESTIONS AND
SOLUTIONS GRADED A+
⩥ Advantages and Disadvantages of B. Answer: adv
-RTU
-attracts pest, dont need to cover huge area
-controls mobile pests
disadv
-risk to children and pets
-may kill non-target wildlife
-requires careful placement/inspection
-dead vertebrate pests may cause odor problem
-must be removed when stops working
-may not always work if pest has other food sources
⩥ Advantages and Disadvantages of fumigants. Answer: adv
-toxic to wide range of pests
-can penetrate cracks, crevices, etc
,-single treatment will kill most pests
disadv
-target site must be enclosed to prevent gas from escaping
-nonspecific and highly toxic
-high inhalation risk
-require lots of PPE
-may require special application equipment
-some temp requirments
⩥ Advantages and Disadvantages of M Answer: adv
-coatings help protect applicator
-easy to handle, transport, store
-timed release of AI prolongs effectiveness
-reduced volatility
-reduced odor
-less likely to stain
-reduced phytotoxicity
disadv
-constant agitation may be required
-risk of harming bees
,-long restricted-entry or preharvest intervals
⩥ Advantages and Disadvantages of WSP or WSB Answer: adv
-accurate, premeasured doses
-increased handling safety
-lower risk spills
disadv
-packaged size may not match volume of equipment you have
-must be kept dry
⩥ List some types of adjuvants Answer: -antifoaming
-Surfactants (wetting agents, spreaders)
-extenders
-stickers
-plant penetrators
-compatibility agents
-buffers or pH modifiers
-drift retardants
-defoaming agents
-thickeners
, ⩥ Define surfactant 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
⩥ The capacity of a pesticide to cause short-term (acute) or long-term
(chronic) injury is referred to as its ____________ 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)
Answer: a) the most common form of pesticide injury is by inhalation
⩥ Which signal word is associated with very low oral LD50 values?
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
