Massachusetts Pesticide License Exam Questions And 100%
Correct Answers 2024-2025
absorption - Answer the movement of a chemical into plants, animals (including
humans), microorganisms or soil
Acaricide - Answer a pesticide used to control mites and ticks. a Miticide is a type of
acaricide
Acidic - Answer having a ph less than 7
Acidifiers = Buffers - Answer adjuvants used to retard chemical degradation of
pesticides in the spray tank by lowering the pH of alkaline water used as a diluent
Threshold of Action - React to a predetermined level of pest infestation or damage at
which some type of pest management action must be taken
Activated Charcoal - React A finely ground charcoal that adsorbs chemicals.
Active Ingredient (AI) - React The chemical or chemicals in a product responsible for
pesticidal activity.
Acute effect - React a symptom, illness, or injury that occurs shortly after the exposure
to a pesticide
Acute Exposure An exposure to a single dose of pesticide
Acute Rodenticide A pesticide capable of killing a rodent after a single feeding
, Acute Toxicity The ability of pesticide to cause illness after a single exposure. LD50 and
LC50 are common indicators of the degree of acute toxicity
Adjuvant (Additive) A chemical added to a pesticide to improve its application or
effectiveness, or its safety to the applicator
Adsorption Physical or chemical attraction that causes chemicals to attach to a surface.
Adulterated Pesticide A pesticide which does not meet the professed standard or
quality as reflected in its label or labeling
Aerosol A liquid formulation that produces a mist or fog when applied from a container
in which it is held under pressure or from a fog generating machine
Agitation The process of stirring or mixing the contents of a spray tank
Air-blast sprayer - Answer a category of pesticide application equipment that depends
on a large volume of high-velocity air to atomize and distribute spray droplets from the
nozzles
Algae - Answer relatively simple plants that contain chlorophyll and are photosynthetic
Algaecide (algicide) - Answer a pesticide specifically used to kill or inhibit algae
Alkaline - Answer having a pH greater than 7, als
Allergic Effects- Answer a hypersensitivity to a specific substance which is not due to
the substance's toxicity
Correct Answers 2024-2025
absorption - Answer the movement of a chemical into plants, animals (including
humans), microorganisms or soil
Acaricide - Answer a pesticide used to control mites and ticks. a Miticide is a type of
acaricide
Acidic - Answer having a ph less than 7
Acidifiers = Buffers - Answer adjuvants used to retard chemical degradation of
pesticides in the spray tank by lowering the pH of alkaline water used as a diluent
Threshold of Action - React to a predetermined level of pest infestation or damage at
which some type of pest management action must be taken
Activated Charcoal - React A finely ground charcoal that adsorbs chemicals.
Active Ingredient (AI) - React The chemical or chemicals in a product responsible for
pesticidal activity.
Acute effect - React a symptom, illness, or injury that occurs shortly after the exposure
to a pesticide
Acute Exposure An exposure to a single dose of pesticide
Acute Rodenticide A pesticide capable of killing a rodent after a single feeding
, Acute Toxicity The ability of pesticide to cause illness after a single exposure. LD50 and
LC50 are common indicators of the degree of acute toxicity
Adjuvant (Additive) A chemical added to a pesticide to improve its application or
effectiveness, or its safety to the applicator
Adsorption Physical or chemical attraction that causes chemicals to attach to a surface.
Adulterated Pesticide A pesticide which does not meet the professed standard or
quality as reflected in its label or labeling
Aerosol A liquid formulation that produces a mist or fog when applied from a container
in which it is held under pressure or from a fog generating machine
Agitation The process of stirring or mixing the contents of a spray tank
Air-blast sprayer - Answer a category of pesticide application equipment that depends
on a large volume of high-velocity air to atomize and distribute spray droplets from the
nozzles
Algae - Answer relatively simple plants that contain chlorophyll and are photosynthetic
Algaecide (algicide) - Answer a pesticide specifically used to kill or inhibit algae
Alkaline - Answer having a pH greater than 7, als
Allergic Effects- Answer a hypersensitivity to a specific substance which is not due to
the substance's toxicity
