Georgia Pesticide Exam Study Guide with complete solutions

Georgia Pesticide Exam Study Guide with complete solutions Symptoms or signs may identify plant diseases, which of the following is a disease sign? a. Fungus growth on leaves b. Wilting C. Rotten Roots d. All of the Above -Correct Answer-A. Fungus on leaves Symptom- the reaction of the host plant to invasion by the parasite. I.E. Wilting Sign- physical evidence of a pathogen, such as visible growth of fungus spores Protecting groundwater from contamination is important because Georgia citizens depend on groundwater as the source for drinking water.What percentage of Georgia citizens get their drinking water from groundwater sources? a. 15%-25% b.35%-45% c.55%-65% d. 65%-75% -Correct Answer-d. 65%-75% Verticillium wilt can be an important plant disease. In what region of Georgia is this disease most likely to occur? a. North Georgia b. East Georgia c. West Georgia d. South Georgia -Correct Answer-a. North Georgia Pathogens that cause wilt disease enters the plant through the roots. Verticillium Wilt- Fungus; normally occurs in cooler areas with lower soil temperatures, When does groundwater form? a. When water moves below the earth's surface to fill empty spaces in and around rocks and porous materials like sand. b. When water collects into lakes, ponds, and streams on the surface of the ground c. When more water is pumped from the ground than is replenished by rain d. When man's activities deform and rebuild the earth's surface -Correct Answer-A. A plant has the following symptoms. Yellow bands form around the leaf veins, and the plant is stunted. What is the most likely cause for this disease? a) Nematode b) virus c) fungus d) bacterium -Correct Answer-B. Why should we protect endangered species? a. many medicines are derived from plants b. genetic material of wild species is used to revitalize domestic species c. if a species becomes extinct, it can never be