EXAM QUESTIONS AND ANSWERS
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, Acaricide - ANSWERA pesticide used to control mites and ticks. A miticide is an
acaricide.
Active INgredient - ANSWERThe chemical or chemicals in a pesticide responsible for
killing, poisoning, or repelling the pest. Listed separately in the ingredient statement.
Acute Toxicity - ANSWERThe capacity of a pesticide to cause injury within 24 hours
following exposure. LD50 and LC50 are common indicators of the degree of acute
toxicity.
Adjuvant - ANSWERA substance added to a pesticide to improve its effectiveness or
safety. Same as additive. Examples: Penetrants, spreader-stickers, and wetting agents.
Adsorption - ANSWERThe process by which chemicals are held or bound to a surface
by physical or chemical attraction. Clay and high organic soils tend to absorb pesticides.
Aerosol - ANSWERA material stored in a container under pressure. Fine droplets are
produced when the material dissolved in a liquid carrier is released into the air from the
pressurized container.
Arachnid - ANSWERA wingless anthropod with with two body regions and four pairs of
jointed legs. Spiders, ticks, and mites are in the class Arachnid.
Arthropod - ANSWERAn invertebrate animal characterized by a jointed body and limbs
and usually a hard body covering that is molted at intervals. Examples: Insects, mites,
and crayfish.
Biomagnification - ANSWERthe process where one organism accumulates chemical
residues in higher concentrations from organisms they consume.
Carbamates - ANSWER(N-Methyl Carbamates) A group of pesticides containing
nitrogen, formulated as insecticides, fungicides and herbicides. The N-Methyl
Carbamates are insecticides and inhibit Cholinesterase in animals.
Carcinogenic - ANSWERThe ability of a substance or agent to induce malignant tumors
(cancer).
Chemical Name - ANSWERThe scientific name of the active ingredient(s) found in the
formulated product.
CHEMTREC - ANSWERThe Chemical Transportation Emergency Center has a toll-free
number that provides a 24-hour information for chemical emergencies such as spills,
leaks, fire, or accident. 800-424-9300