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Forest Genetics and Tree Improvement MCQs

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1. What is forest pathology?





2. Which pathogen is commonly known to cause “Dutch elm disease”?





3. What is a common symptom of tree decline due to fungal infection?





4. Which fungal disease affects the vascular system of trees, causing wilting and death?





5. Which of the following is NOT a common method of controlling forest pathogens?





6. Which pathogen is responsible for causing “black knot” disease in trees?





7. What is a common symptom of “powdery mildew” in trees?





8. Which method involves using other organisms to control forest pathogens?





9. What is the primary mode of transmission for “rust” fungi in forests?





10. Which pathogen causes “Sudden Oak Death”?





11. Which disease is characterized by “white rot” of the wood in trees?





12. Which of the following is a common fungal pathogen that causes “needle cast” in conifers?





13. What is the primary characteristic of “root rot” diseases?





14. Which forest pathogen is known for causing “cankers” on trees?





15. Which tree disease is typically associated with “heart rot”?





16. What is a common sign of “bacterial blight” in trees?





17. Which disease is caused by the pathogen “Fusarium oxysporum”?





18. What is the main purpose of “cultural control” in managing forest pathogens?





19. Which pathogen causes “Phytophthora root rot” in trees?





20. Which type of control method involves physical removal of infected plant parts?







21. Which technique is commonly used in tree breeding to select superior individuals?





22. What is the primary method used to evaluate the genetic gain in tree breeding programs?





23. Which of the following is a method used to improve the genetic diversity of a tree population?





24. What does “phenotypic selection” refer to in tree improvement?





25. Which term describes the transfer of genes between different species or genera?





26. What is a “provenance” in the context of forest genetics?





27. Which technique involves using molecular markers to assess genetic variation?





28. What does “hybrid vigor” or heterosis refer to?





29. Which type of forest management focuses on the sustainable use of genetic resources?





30. What is the purpose of using clonal forestry in tree improvement?





31. Which process involves growing trees from seeds collected from selected parent trees?





32. In tree breeding, what is the term for a group of trees with a common origin and similar genetic characteristics?





33. What is the primary benefit of using genetic markers in tree breeding programs?





34. What is the role of “genetic conservation” in forest management?





35. Which term describes the practice of planting trees in a specific arrangement to maximize growth and yield?





36. What is the primary goal of using “genetic improvement” techniques in forestry?





37. Which technique involves growing trees from single cells or tissues in a controlled environment?





38. What is the main advantage of using genetically improved trees in commercial forestry?





39. Which factor is NOT commonly considered in the selection of parent trees for breeding programs?







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