Illinois Turf Pesticide Test Questions
and Correct Answers 2026 100% Pass
Acidic Soil - <CORRECT ANSWER >>A soil with pH value of less than 7.0
Active Ingredient - <CORRECT ANSWER >>the portion of the pesticide formulation that is
effective against the target
Adjuvant - <CORRECT ANSWER >>A chemical added to a pesticide formulation or mixture to
modify the physical properties or enhance performance
Aesthetic Injury - <CORRECT ANSWER >>damage caused to the appearance of the plant
Agitation - <CORRECT ANSWER >>the continuous mixing of the pesticide and the carrier in the
spray tank
Alkaline Soil - <CORRECT ANSWER >>A soil with a pH value greater than 7.0
Alternate (leaf arrangement) - <CORRECT ANSWER >>One leaf at each node of stem
Annual Weed - <CORRECT ANSWER >>A weed that completes its life cycle in one year and is
usually perpetuated only by seed.A summer annual germinates in the spring,flowers and
produces seed in mid to late summer,dies in fall.A winter annual germinates in fall,flowers and
produces seed in mid to late spring,and dies in summer
Antagonism - <CORRECT ANSWER >>the reduction in effectiveness of one or more pesticide
components when two or more pesticides are combined
Application Rate - <CORRECT ANSWER >>the amount of spray material applied to a given area
, Auricles - <CORRECT ANSWER >>Earlike extensions from the base of a grass leaf blade around
the shoot
Backpack Sprayer - <CORRECT ANSWER >>A sprayer apparatus, carries on the operater's
back,consisting of a spray solution tank, pressure source,and an atomizing device that forms
and distributes the spray.Spray pressure is supplies by a lever-operated manual pump,an
engine powered pump, or a compresses air tank.
Bacterium - <CORRECT ANSWER >>A microscopic, single celled organism that reproduces by
dividing in half.Some bacteria attack plants,causing crown gall,wilts,cankers,rots,leaf
spots,blights, and other plant diseases
Band application - <CORRECT ANSWER >>Application made as a band over,or parallel to a crop
row.
Biennial weed - <CORRECT ANSWER >>A weed that lives for 2 years.Biennials form a rosette in
their first year of life, then produces seed and die in the second year
Boom - <CORRECT ANSWER >>A structure on which nozzles are mounted to make broadcast or
banded application over a larger area.
Broadcast application - <CORRECT ANSWER >>An application made uniformly over an entire
area.
Buffer - <CORRECT ANSWER >>A substance that is so strongly and thoroughly acidic or alkaline
that it greatly resist change to another pH
Calcined clay - <CORRECT ANSWER >>Clay particles that have been heated to high
temperatures so that they resist breakdown into smaller particles
and Correct Answers 2026 100% Pass
Acidic Soil - <CORRECT ANSWER >>A soil with pH value of less than 7.0
Active Ingredient - <CORRECT ANSWER >>the portion of the pesticide formulation that is
effective against the target
Adjuvant - <CORRECT ANSWER >>A chemical added to a pesticide formulation or mixture to
modify the physical properties or enhance performance
Aesthetic Injury - <CORRECT ANSWER >>damage caused to the appearance of the plant
Agitation - <CORRECT ANSWER >>the continuous mixing of the pesticide and the carrier in the
spray tank
Alkaline Soil - <CORRECT ANSWER >>A soil with a pH value greater than 7.0
Alternate (leaf arrangement) - <CORRECT ANSWER >>One leaf at each node of stem
Annual Weed - <CORRECT ANSWER >>A weed that completes its life cycle in one year and is
usually perpetuated only by seed.A summer annual germinates in the spring,flowers and
produces seed in mid to late summer,dies in fall.A winter annual germinates in fall,flowers and
produces seed in mid to late spring,and dies in summer
Antagonism - <CORRECT ANSWER >>the reduction in effectiveness of one or more pesticide
components when two or more pesticides are combined
Application Rate - <CORRECT ANSWER >>the amount of spray material applied to a given area
, Auricles - <CORRECT ANSWER >>Earlike extensions from the base of a grass leaf blade around
the shoot
Backpack Sprayer - <CORRECT ANSWER >>A sprayer apparatus, carries on the operater's
back,consisting of a spray solution tank, pressure source,and an atomizing device that forms
and distributes the spray.Spray pressure is supplies by a lever-operated manual pump,an
engine powered pump, or a compresses air tank.
Bacterium - <CORRECT ANSWER >>A microscopic, single celled organism that reproduces by
dividing in half.Some bacteria attack plants,causing crown gall,wilts,cankers,rots,leaf
spots,blights, and other plant diseases
Band application - <CORRECT ANSWER >>Application made as a band over,or parallel to a crop
row.
Biennial weed - <CORRECT ANSWER >>A weed that lives for 2 years.Biennials form a rosette in
their first year of life, then produces seed and die in the second year
Boom - <CORRECT ANSWER >>A structure on which nozzles are mounted to make broadcast or
banded application over a larger area.
Broadcast application - <CORRECT ANSWER >>An application made uniformly over an entire
area.
Buffer - <CORRECT ANSWER >>A substance that is so strongly and thoroughly acidic or alkaline
that it greatly resist change to another pH
Calcined clay - <CORRECT ANSWER >>Clay particles that have been heated to high
temperatures so that they resist breakdown into smaller particles
