WI Pesticide Applicator Test Questions with Correct Answers

What are examples of plant diseases? Correct Answer Fungi,Oomycetes,Bacteria,Viroids, Oomycetes can be describe as Correct Answer Water Molds Prerequisites for a plant disease Correct Answer population, Host, ideal environment, time, Largest Group of plant diseases Correct Answer Fungi A Chemical Formulation capable of causing injury to plants Correct Answer Phytotoxic Reasons to consider treating an infected area with pesticides Correct Answer When other prsctices don't work,high value,quality reduced,sudden breakout What is abiotic Correct Answer Non-living (example wind damage) What is biotic? Correct Answer living (Example Fungi) T or F Should you avoid driving through field when foliage is wet, to prevent diseases. Correct Answer T What is a Pest Correct Answer any organism that competes with people for food, fiber or space, or presents a health risk to people or domestic animals What is an Arthropod Correct Answer Arthropods are invertebrate animals with an exoskeleton, like insects and arachnids What type of damages do arthropods cause Correct Answer Chewing on leaves, Tunneling in roots, Sucking on plant, cause galls, Inject toxins, transmit diseases, feed on livestock Difference between insects and arachnids Correct Answer Insects have 3 pairs of legs, wings and antennae 3 regions of the body head, thorax and abdomen. While arachnids have 4 pairs of legs, not wing and no antennae 2 regions head and thorax. What is the difference between simple metamorphosis and complete metamorphosis Correct Answer Simple Metamoph. Is 3 stages egg, nymph, and adult. Gradual change. Complex Metamorph. 4 distinct stages egg, larva, pupa, and adult How dose Temp. And Humidity effect insect development. Correct Answer Higher temp and humidity is typically better for insects. Temp above threshold will increase reproduction and humidity will decrease stress.