Massachusetts Pesticide License Exam Questions
and Answers | Latest 2026/2027 Update | Verified
Solutions | Grade A
1. Adulterated Pesticide - ANSWER ✔ A pesticide that does not
conform to the specified standard or quality as documented on its
label or labeling
2. Aerosol - ANSWER ✔ a liquid formulation that produces a mist or
fod when applied from a container in which it is held under pressure
or from a fod-generating machine
3. Agitation - ANSWER ✔ The process of stirring or mixing the
contents of a spray tank
4. Air-blast sprayer - ANSWER ✔ A type of pesticide application
equipment that uses a large volume of air moving at high speed to
break up and disperse spray droplets from the nozzles
5. Algae - ANSWER ✔ relatively simple plants that are photosynthetic
and contain chlorophyll
,6. Algaecide (algicide) - ANSWER ✔ a pesticide used to kill or inhibit
algae
7. Alkaline - ANSWER ✔ having a pH greater than 7, als
8. Allergic Effects - ANSWER ✔ a hypersensitivity to a specific
substance which is not due to the substance's toxicity
9. annual - ANSWER ✔ a plant that completes its life cycle in one year
10. antidote - ANSWER ✔ a practical treatment used to counteract the
effects of pesticide poisoning
11. Antifouling Paint - ANSWER ✔ a paint containing a pesticide (ex:
Copper) that prevents aquatic organisms from attaching to underwater
structures (such as boat hulls, crab pots and water intake pipes)
12. Antisiphoning Device - ANSWER ✔ a mechanism that prevents
back flow of a pesticide mix from the spray tank into a water source
13. application rate - ANSWER ✔ the amount of pesticide applied to a
known area (such as an acre or 1,000 square feet ) volume or animal
, 14. Aquifer - ANSWER ✔ a geological formation (ex: sand, gravel,
bed rock), from which groundwater can be drawn
15. Arachnid - ANSWER ✔ a wingless arthropod with two body
regions and four pairs of jointed legs (spiders, ticks, mites)
16. Arthropod - ANSWER ✔ An invertebrate animal characterized by
jointed body and limbs usually a hard body covering that is molted at
intervals. Insects, arachnids, millipedes and centipedes are arthropods
17. Atropine (Atropine Sulfate) - ANSWER ✔ An antidote used to
treat organophosphate and carbamate poisoning.
18. attractant - ANSWER ✔ a substance or device to lure insects or
other pests to a trap or poison bait
19. avicide - ANSWER ✔ a pesticide used to kill or repel birds
20. absorption - ANSWER ✔ the movement of a chemical into plants,
animals (including humans), microorganisms or soil
21. Acaricide - ANSWER ✔ a pesticide used to control mites and
ticks. a Miticide is a type of acaricide
and Answers | Latest 2026/2027 Update | Verified
Solutions | Grade A
1. Adulterated Pesticide - ANSWER ✔ A pesticide that does not
conform to the specified standard or quality as documented on its
label or labeling
2. Aerosol - ANSWER ✔ a liquid formulation that produces a mist or
fod when applied from a container in which it is held under pressure
or from a fod-generating machine
3. Agitation - ANSWER ✔ The process of stirring or mixing the
contents of a spray tank
4. Air-blast sprayer - ANSWER ✔ A type of pesticide application
equipment that uses a large volume of air moving at high speed to
break up and disperse spray droplets from the nozzles
5. Algae - ANSWER ✔ relatively simple plants that are photosynthetic
and contain chlorophyll
,6. Algaecide (algicide) - ANSWER ✔ a pesticide used to kill or inhibit
algae
7. Alkaline - ANSWER ✔ having a pH greater than 7, als
8. Allergic Effects - ANSWER ✔ a hypersensitivity to a specific
substance which is not due to the substance's toxicity
9. annual - ANSWER ✔ a plant that completes its life cycle in one year
10. antidote - ANSWER ✔ a practical treatment used to counteract the
effects of pesticide poisoning
11. Antifouling Paint - ANSWER ✔ a paint containing a pesticide (ex:
Copper) that prevents aquatic organisms from attaching to underwater
structures (such as boat hulls, crab pots and water intake pipes)
12. Antisiphoning Device - ANSWER ✔ a mechanism that prevents
back flow of a pesticide mix from the spray tank into a water source
13. application rate - ANSWER ✔ the amount of pesticide applied to a
known area (such as an acre or 1,000 square feet ) volume or animal
, 14. Aquifer - ANSWER ✔ a geological formation (ex: sand, gravel,
bed rock), from which groundwater can be drawn
15. Arachnid - ANSWER ✔ a wingless arthropod with two body
regions and four pairs of jointed legs (spiders, ticks, mites)
16. Arthropod - ANSWER ✔ An invertebrate animal characterized by
jointed body and limbs usually a hard body covering that is molted at
intervals. Insects, arachnids, millipedes and centipedes are arthropods
17. Atropine (Atropine Sulfate) - ANSWER ✔ An antidote used to
treat organophosphate and carbamate poisoning.
18. attractant - ANSWER ✔ a substance or device to lure insects or
other pests to a trap or poison bait
19. avicide - ANSWER ✔ a pesticide used to kill or repel birds
20. absorption - ANSWER ✔ the movement of a chemical into plants,
animals (including humans), microorganisms or soil
21. Acaricide - ANSWER ✔ a pesticide used to control mites and
ticks. a Miticide is a type of acaricide
