Download Final Exam Study Guide - Plants, Pathogens and People | PLPA 200 and more Study notes Plant Taxonomy and Evolution in PDF only on Docsity! Quiz Questions: 1. Who is the scientist who proposed that potato blight was caused by a fungus? a. Berkley 2. What was the center of origin of late blight? a. Mexico 3. Europeans were reluctant to grow potatoes because…? a. All of the above (grow from tubers, related to poisonouos plants, grew bitter berries, and they grew underground) 4. Lazybeds protected potatoes from what? a. Soldiers 5. What part of a plant is a potato? a. Stem 6. Today, the british consume a significant amount of the tea produced because? a. Tea was a product of a british colony 7. The secondary innoculum of the coffee rust fungus is what? a. The uredospore 8. The center of origin of coffee rust was where? a. Ethiopia 9. Asexual spores of microcyclus Ulei are… a. Conidia 10. Epidemic of South American Leaf Blight occurred because… a. People imported susceptible rubber trees to South America 11. A method to enter a host that is not used by bacteria is… a. Direct penetration 12. Johnny Appleseed Chapman was… a. All of the above (shunned society, source of apple to Midwestern settlers, source of sweeteners, riverboatman) 13. Most economically significant damage is due to damage to the… a. Fruit 14. Gregor Mendel discovered that… a. Traits segregate independently during meiosis 15. Amino acids are… a. Added by tRNA 16. Improvement of plants by biological hybridization is… a. Plant breeding 17. Agrobacterium tumefacians is used to… a. Insert genes into plants 18. Polygenic resistance is… a. Longer lasting, puts less selection pressure on pathogen 19. Endemic pathogens are… a. Rarely as destructive as exotic pathogens 20. Sexual spore of an ascomycete is a … a. Ascospore 21. Number of rice crops grown per year in Bengal region is… a. 3 (Aus, Aman, Boro) 22. TMS cytoplasm has been used in seed corn industry because it… a. Eliminates the need for detassaling in hybrid seed production 23. A disease that is expected to be at 0 incidence is… a. Corn smut on fresh sweet corn 24. A major concern with narrow spectrum eradicant fungicides is… a. Pathogen will develop resistance to the fungicide 25. 1st disesas controlled by elemental fungicide was… a. Bunt (covered smut) of wheat 26. Pesticides are used more frequently to control… a. Fungi 27. Discovery of DDT led to… a. Reduction in malaria, DDT in animal fat, weakened egg shells 28. Nematodologists believe that soybean cyst nematodes may have been introduced to the USA by… a. Infected seed and soil from china and japan 29. Soil type is determined by… a. Size and proportion of particles
