ILLINOIS PESTICIDE APPLICATOR
COMPREHENSIVE TEST PAPER 2026
COMPLETE QUESTIONS AND ANSWERS
EXPERT VERIFIED GRADED A+
◉ auricles. Answer: earlike extensions from base of leaf blade
◉ mature grasses. Answer: characterized by growth habit and
flowering structure
◉ grasslike plants. Answer: not true grasses
◉ broadleaf plants. Answer: net-veined leaves that are less long than
grass leaves
◉ annuals. Answer: complete life cycle in one year
◉ summer annuals. Answer: emerge in spring/summer, die in
winter; crabgrass
◉ winter annuals. Answer: emerge in fall, die in summer; common
chickweed,henbit
,◉ Annuals are most susceptible to herbicides during _________ stage.
Answer: seedling
◉ biennials. Answer: live for two years then die; bull thistle
◉ perennials. Answer: live for more than two years; dandelion,
yellow nutsedge
◉ rosette stage in biennial. Answer: cluster of leaves form. Year One
of biennial
◉ herbaceous perennials. Answer: die in fall, but root systems
overwinter; ex: Canada thistle, dandelion, johnsongrass
◉ woody perennials. Answer: persistent aboveground stems that
remain each season; ex: poison ivy
◉ simple perennials. Answer: reproduce from seed, but usually have
fleshy taproots that allow them to overwinter
◉ creeping perennials. Answer: reproduce by seed and also
vegetatively by means of rhizomes, stolons, tubers, bulbs, budding
roots; ex: yellow nutsedge, wild garlic, ground ivy
, ◉ rhizomes. Answer: creeping underground stems
◉ stolons. Answer: creeping aboveground stems
◉ must reach vegetative reproductive structure for control. Answer:
high rate of herbicides
◉ pesticide. Answer: chemical used to destroy, prevent, or control
pest
◉ active ingredient. Answer: part of formulation effective against
targeted pest
◉ inert ingredient. Answer: no direct effect on pest; added to help
storage or make safer
◉ herbicides. Answer: for weeds
◉ insecticides. Answer: for insects
◉ fungicides. Answer: for fungi
COMPREHENSIVE TEST PAPER 2026
COMPLETE QUESTIONS AND ANSWERS
EXPERT VERIFIED GRADED A+
◉ auricles. Answer: earlike extensions from base of leaf blade
◉ mature grasses. Answer: characterized by growth habit and
flowering structure
◉ grasslike plants. Answer: not true grasses
◉ broadleaf plants. Answer: net-veined leaves that are less long than
grass leaves
◉ annuals. Answer: complete life cycle in one year
◉ summer annuals. Answer: emerge in spring/summer, die in
winter; crabgrass
◉ winter annuals. Answer: emerge in fall, die in summer; common
chickweed,henbit
,◉ Annuals are most susceptible to herbicides during _________ stage.
Answer: seedling
◉ biennials. Answer: live for two years then die; bull thistle
◉ perennials. Answer: live for more than two years; dandelion,
yellow nutsedge
◉ rosette stage in biennial. Answer: cluster of leaves form. Year One
of biennial
◉ herbaceous perennials. Answer: die in fall, but root systems
overwinter; ex: Canada thistle, dandelion, johnsongrass
◉ woody perennials. Answer: persistent aboveground stems that
remain each season; ex: poison ivy
◉ simple perennials. Answer: reproduce from seed, but usually have
fleshy taproots that allow them to overwinter
◉ creeping perennials. Answer: reproduce by seed and also
vegetatively by means of rhizomes, stolons, tubers, bulbs, budding
roots; ex: yellow nutsedge, wild garlic, ground ivy
, ◉ rhizomes. Answer: creeping underground stems
◉ stolons. Answer: creeping aboveground stems
◉ must reach vegetative reproductive structure for control. Answer:
high rate of herbicides
◉ pesticide. Answer: chemical used to destroy, prevent, or control
pest
◉ active ingredient. Answer: part of formulation effective against
targeted pest
◉ inert ingredient. Answer: no direct effect on pest; added to help
storage or make safer
◉ herbicides. Answer: for weeds
◉ insecticides. Answer: for insects
◉ fungicides. Answer: for fungi
