QAC Category B Landscape Maintenance latest Exam Q&A

QAC Category B Landscape Maintenance latest Exam Q&A Perennial weeds are difficult to control because... - CORRECT ANSWER-They can reproduce from organs like rhizomes, stolons, tubers Insect order known to transmit plant disease - CORRECT ANSWER-Thysanoptera (Thrips) Insect order of pests to living plants - CORRECT ANSWER-Heteroptera (true bugs) Immature stages of insects - CORRECT ANSWER-Instars Insect order that suck juices from plant cells - CORRECT ANSWER-Homoptera (aphids and whiteflies) Part of plant nematodes often attack - CORRECT ANSWER-Roots & underground parts Plant disorder that cannot be transmitted between plants - CORRECT ANSWER-Abiotic problems Ant insect order - CORRECT ANSWER-Hymenoptera Insects with chewing mouthparts - CORRECT ANSWER-Caterpillars What kind of insect are mites - CORRECT ANSWER-arthropods Insects that cause leaf stippling - CORRECT ANSWER-Mites Life stages of complete metamorphosis - CORRECT ANSWER-egg, larva, pupa, adult Complete elimination of pest species - CORRECT ANSWER-eradication Pests that cause damage on a regular basis - CORRECT ANSWER-Key Pests Use of preemergence pesticide is an example of - CORRECT ANSWER-preventive use Keeping pests below a certain level - CORRECT ANSWER-pest suppression example of cultural and mechanical control - CORRECT ANSWER-Mowing weeds use of physical barriers - CORRECT ANSWER-exclusion