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25 questions from the turf, ornamental and structural pest control practice test.
10 questions, graded as you go, with the reason for every answer. No sign-up.
Henbit and common chickweed germinate in fall, overwinter as small plants and flower in spring. They are:
D. Winter annuals
Winter annuals germinate in late summer or fall, survive the winter and set seed in spring before dying in the heat. Biennials also overwinter, but they need two full growing seasons.
Reference: Ornamental and turf category manual: weed management
A weed that forms a low rosette of leaves the first year, then bolts, flowers and dies the second year is a:
B. Biennial
Biennials such as wild carrot and bull thistle take two seasons: vegetative growth, then flowering and seed. A perennial lives more than two years and regrows from roots or other storage organs.
Reference: Ornamental and turf category manual: weed management
Which features identify a plant as a grass (monocot) and not a broadleaf (dicot)?
D. Parallel leaf veins and one seed leaf
Grasses are monocots with one seed leaf, parallel veins and fibrous roots. Broadleaf weeds are dicots with two seed leaves and netted veins. The distinction matters because many herbicides control only one group.
Reference: Ornamental and turf category manual: weed management