SUB DIVISIONAL FOREST OFFICER PPSC Past Paper [Pakistan]

1. What is the primary function of leaves in a tree? A) Photosynthesis B) Respiration C) Transpiration D) Germination Answer: A) Photosynthesis 2. Which of the following is the tallest tree species in the world? A) Giant Sequoia B) Douglas Fir C) Coast Redwood D) Sitka Spruce Answer: C) Coast Redwood 3. What type of root system is typically found in coniferous trees? A) Taproot B) Fibrous C) Lateral D) Adventitious Answer: A) Taproot 4. What is the term for the annual growth rings in a tree trunk? A) Phloem rings B) Cambium rings C) Xylem rings D) Annual rings Answer: D) Annual rings 5. Which forest biome is characterized by trees that lose their leaves each year? A) Taiga B) Temperate Deciduous Forest C) Tropical Rainforest D) Savanna Answer: B) Temperate Deciduous Forest 6. Which process in trees helps to remove carbon dioxide from the atmosphere? A) Respiration B) Photosynthesis C) Transpiration D) Combustion Answer: B) Photosynthesis 7. What is the most common method used for sustainable forestry? A) Clear-cutting B) Shelterwood cutting C) Selective cutting D) Slash-and-burn Answer: C) Selective cutting 8. What is the main reason for deforestation in tropical regions? A) Urban development B) Agriculture expansion C) Mining activities D) Road construction Answer: B) Agriculture expansion 9. Which of the following is a non-timber forest product? A) Timber B) Rubber C) Plywood D) Firewood Answer: B) Rubber 10. What is the term used for the removal of dead or diseased trees from a forest? A) Thinning B) Logging C) Pruning D) Culling Answer: A) Thinning 11. Which tree species is known for its ability to fix nitrogen in the soil? A) Oak B) Maple C) Pine D) Alder Answer: D) Alder 12. What is the main purpose of forest conservation? A) To increase wood production B) To maintain biodiversity C) To prevent wildfires D) To promote tourism Answer: B) To maintain biodiversity 13. What is a common characteristic of old-growth forests? A) Dense underbrush B) Large, old trees C) Frequent wildfires D) High levels of logging Answer: B) Large, old trees 14. Which layer of the forest is closest to the ground? A) Canopy B) Understory C) Shrub layer D) Forest floor Answer: D) Forest floor 15. What is the main component of wood? A) Cellulose B) Starch C) Lignin D) Protein Answer: A) Cellulose 16. What is the term for the process by which a tree loses its leaves? A) Abscission B) Decay C) Desiccation D) Deforestation Answer: A) Abscission 17. Which country has the largest area of forest cover in the world? A) Brazil B) Canada C) Russia D) United States Answer: C) Russia 18. What is the main cause of forest fires? A) Lightning B) Human activities C) Volcanic eruptions D) Insect infestations Answer: B) Human activities 19. Which tree species is commonly used for making paper? A) Oak B) Pine C) Birch D) Maple Answer: B) Pine 20. What is the primary threat to mangrove forests? A) Rising sea levels B) Overfishing C) Coastal development D) Invasive species Answer: C) Coastal development 21. What is the main benefit of afforestation? A) Increase in agricultural land B) Restoration of degraded land C) Reduction in air pollution D) Prevention of soil erosion Answer: B) Restoration of degraded land 22. Which of the following is a method used to combat desertification? A) Overgrazing B) Deforestation C) Reforestation D) Urbanization Answer: C) Reforestation 23. What is the process by which water vapor is released from the leaves of trees? A) Photosynthesis B) Respiration C) Transpiration D) Condensation Answer: C) Transpiration 24. Which tree species is known for its medicinal properties? A) Eucalyptus B) Maple C) Oak D) Pine Answer: A) Eucalyptus 25. What is the role of decomposers in a forest ecosystem? A) Break down dead organic matter B) Fix nitrogen in the soil C) Pollinate flowers D) Provide shade for other plants Answer: A) Break down dead organic matter 26. What is the main factor that influences the distribution of forest biomes? A) Soil type B) Temperature C) Altitude D) Precipitation Answer: D) Precipitation 27. Which of the following is a coniferous tree? A) Maple B) Oak C) Pine D) Birch Answer: C) Pine 28. What is the term for a forest that has never been logged or disturbed by humans? A) Managed forest B) Primary forest C) Secondary forest D) Plantation forest Answer: B) Primary forest 29. What is the primary purpose of a windbreak in forestry? A) To reduce wind erosion B) To promote wildlife habitat C) To increase timber production D) To control pests Answer: A) To reduce wind erosion 30. What is the term for the top layer of a forest, formed by the branches and leaves of tall trees? A) Understory B) Canopy C) Shrub layer D) Forest floor Answer: B) Canopy 31. Which of the following is a hardwood tree species? A) Pine B) Cedar C) Oak D) Fir Answer: C) Oak 32. What is the role of mycorrhizae in a forest ecosystem? A) Pollination B) Water absorption C) Nitrogen fixation D) Decomposition Answer: B) Water absorption 33. Which of the following is a major consequence of deforestation? A) Increase in biodiversity B) Soil erosion C) Decrease in greenhouse gases D) Increase in rainfall Answer: B) Soil erosion 34. What is the primary use of bamboo in forestry? A) Timber production B) Pulp for paper C) Erosion control D) Ornamental purposes Answer: C) Erosion control 35. What is the term for a forest management practice that involves cutting down all the trees in an area? A) Selective cutting B) Clear-cutting C) Shelterwood cutting D) Thinning Answer: B) Clear-cutting 36. Which forest type is characterized by high levels of rainfall and biodiversity? A) Temperate Deciduous Forest B) Boreal Forest C) Tropical Rainforest D) Savanna Answer: C) Tropical Rainforest 37. What is the main function of the phloem in a tree? A) Transport of water B) Transport of nutrients C) Photosynthesis D) Respiration Answer: B) Transport of nutrients 38. What is the term for a forest that is planted and managed for timber production? A) Natural forest B) Plantation forest C) Primary forest D) Secondary forest Answer: B) Plantation forest 39. Which of the following tree species is most commonly used for Christmas trees? A) Pine B) Oak C) Maple D) Birch Answer: A) Pine 40. What is the main cause of habitat loss in forests? A) Urbanization B) Forest fires C) Climate change D) Insect infestations Answer: A) Urbanization 41. What is the role of a forest ranger? A) Logging management B) Wildlife protection C) Timber harvesting D) Agricultural development Answer: B) Wildlife protection 42. What is the term for the practice of planting trees to restore a forest? A) Deforestation B) Afforestation C) Reforestation D) Agroforestry Answer: C) Reforestation 43. Which of the following is a softwood tree species? A)

Maple B) Walnut C) Redwood D) Cherry Answer: C) Redwood 44. What is the primary function of the cambium layer in a tree? A) Photosynthesis B) Growth C) Transport D) Storage Answer: B) Growth 45. What is the term for a forest that has been disturbed and regrown naturally? A) Primary forest B) Secondary forest C) Plantation forest D) Managed forest Answer: B) Secondary forest 46. Which of the following is an example of a deciduous tree? A) Pine B) Oak C) Spruce D) Cedar Answer: B) Oak 47. What is the main purpose of forest thinning? A) Increase tree density B) Enhance forest health C) Maximize timber yield D) Reduce wildlife habitat Answer: B) Enhance forest health 48. What is the term for the natural process of a forest regenerating after a disturbance? A) Succession B) Adaptation C) Evolution D) Restoration Answer: A) Succession 49. Which of the following is a characteristic of temperate rainforests? A) Low biodiversity B) High humidity C) Dry climate D) Seasonal temperature changes Answer: B) High humidity 50. What is the role of tree bark? A) Photosynthesis B) Protection and support C) Nutrient transport D) Water absorption Answer: B) Protection and support 51. Which of the following tree species is known for its high-quality timber used in furniture making? A) Ash B) Pine C) Willow D) Eucalyptus Answer: A) Ash 52. What is the term for the planting of trees to reduce soil erosion? A) Afforestation B) Agroforestry C) Riparian buffer D) Erosion control Answer: D) Erosion control 53. What type of forest is characterized by high temperatures and high biodiversity throughout the year? A) Boreal Forest B) Temperate Forest C) Tropical Rainforest D) Mediterranean Forest Answer: C) Tropical Rainforest 54. Which of the following forest management practices aims to mimic natural disturbances? A) Shelterwood Cutting B) Clear-Cutting C) Selective Logging D) Continuous Cover Forestry Answer: D) Continuous Cover Forestry 55. What is the main purpose of forest certification? A) To ensure timber quality B) To promote sustainable forest management C) To increase tree growth D) To reduce pest infestations Answer: B) To promote sustainable forest management 56. What is the role of a forester? A) To manage forest resources B) To conduct wildlife surveys C) To develop agricultural practices D) To design forest trails Answer: A) To manage forest resources 57. Which of the following is an example of a forest ecosystem service? A) Timber production B) Carbon sequestration C) Soil erosion D) Urban development Answer: B) Carbon sequestration 58. What is the term for the gradual replacement of one type of forest by another over time? A) Forest succession B) Forest regeneration C) Forest transition D) Forest development Answer: A) Forest succession 59. Which tree species is known for its ability to grow in wet, swampy conditions? A) Oak B) Cypress C) Pine D) Birch Answer: B) Cypress 60. What is the primary focus of agroforestry? A) Timber production B) Integration of trees and crops C) Wildlife habitat conservation D) Urban greening Answer: B) Integration of trees and crops 61. What is the term for a forest that is planted specifically for the production of timber or other forest products? A) Natural forest B) Plantation forest C) Protected forest D) Conservation forest Answer: B) Plantation forest 62. Which of the following is a major factor contributing to forest degradation? A) Sustainable logging B) Conservation efforts C) Overgrazing by livestock D) Reforestation projects Answer: C) Overgrazing by livestock 63. What is the main advantage of using tree plantations for wood production? A) Increased biodiversity B) Fast growth rates C) Improved soil quality D) Enhanced wildlife habitat Answer: B) Fast growth rates 64. What type of forest is characterized by coniferous trees and cold temperatures? A) Tropical Rainforest B) Temperate Deciduous Forest C) Boreal Forest D) Mediterranean Forest Answer: C) Boreal Forest 65. Which forest product is used primarily for its medicinal properties? A) Plywood B) Maple syrup C) Eucalyptus oil D) Charcoal Answer: C) Eucalyptus oil 66. What is the term for the practice of planting different species of trees together to mimic natural forest conditions? A) Monoculture B) Polyculture C) Agroforestry D) Silviculture Answer: B) Polyculture 67. What is the primary purpose of a riparian buffer in forestry? A) Improve soil fertility B) Provide shade for aquatic ecosystems C) Increase timber yield D) Reduce wind erosion Answer: B) Provide shade for aquatic ecosystems 68. Which forest biome is known for having distinct seasons, including cold winters and warm summers? A) Tropical Rainforest B) Taiga C) Savanna D) Chaparral Answer: B) Taiga 69. What is the term for the study and management of forest ecosystems to optimize their use and conservation? A) Silviculture B) Ecology C) Environmental science D) Forestry Answer: A) Silviculture 70. Which of the following is a common technique used to prevent soil erosion in forested areas? A) Deforestation B) Cover cropping C) Mulching D) Replanting Answer: C) Mulching 71. What is the purpose of forest fire management? A) To eliminate all forest fires B) To control and prevent harmful wildfires C) To promote the spread of fire D) To use fire as a tool for logging Answer: B) To control and prevent harmful wildfires 72. Which tree species is commonly associated with the production of syrup? A) Pine B) Maple C) Birch D) Oak Answer: B) Maple 73. What is the role of understory plants in a forest ecosystem? A) Provide shade for the forest floor B) Increase soil erosion C) Compete with trees for sunlight D) Attract pests Answer: A) Provide shade for the forest floor 74. What is the primary objective of a forest management plan? A) To maximize short-term timber profits B) To ensure sustainable use and conservation of forest resources C) To eliminate all invasive species D) To increase land value Answer: B) To ensure sustainable use and conservation of forest resources 75. Which of the following practices helps to maintain forest biodiversity? A) Monoculture planting B) Clear-cutting C) Habitat fragmentation D) Conservation and protection of diverse habitats Answer: D) Conservation and protection of diverse habitats 76. What is the main benefit of using cover crops in forest management? A) Increase tree growth B) Prevent soil erosion C) Reduce forest density D) Promote timber production Answer: B) Prevent soil erosion 77. What is the purpose of a forest buffer zone? A) To increase logging access B) To protect adjacent ecosystems from disturbances C) To promote urban development D) To increase agricultural production Answer: B) To protect adjacent ecosystems from disturbances 78. What is the main advantage of agroforestry over conventional farming? A) Increased use of pesticides B) Higher crop yields C) Integration of trees and crops for diversified benefits D) Reduced labor costs Answer: C) Integration of trees and crops for diversified benefits 79. What is the primary role of forest canopies in regulating forest ecosystems? A) Providing habitat for large mammals B) Filtering sunlight and regulating temperature C) Enhancing soil fertility D) Increasing wind speed Answer: B) Filtering sunlight and regulating temperature 80. What type of forest management practice involves cutting down only selected trees to improve forest health? A) Clear-cutting B) Shelterwood cutting C) Selective logging D) Strip cutting Answer: C) Selective logging 81. What is the smallest planet in our solar system? A) Venus B) Mercury C) Mars D) Pluto Answer: B) Mercury 82. Who is known as the “Father of the Nation” in Pakistan? A) Liaquat Ali Khan B) Allama Iqbal C) Muhammad Ali Jinnah D) Zulfikar Ali Bhutto Answer: C) Muhammad Ali Jinnah 83. What is the capital city of Japan? A) Osaka B) Kyoto C) Tokyo D) Nagoya Answer: C) Tokyo 84. Which river flows through Egypt? A) Ganges B) Yangtze C) Nile D) Amazon Answer: C) Nile 85. What is 25 + 17? A) 42 B) 32 C) 40 D) 35 Answer: A) 42 86. What is the synonym of the word “diligent”? A) Lazy B) Hardworking C) Negligent D) Casual Answer: B) Hardworking 87. The Urdu word for “water” is: A) چائے B) پانی C) دودھ D) روٹی Answer: B) پانی 88. What is the freezing point of water in Fahrenheit? A) 32°F B) 0°F C) 100°F D) 212°F Answer: A) 32°F 89. What does the “RAM” in a computer stand for? A) Random Access Memory B) Read Access Memory C) Real Application Memory D) Rapid Access Memory Answer: A) Random Access Memory 90. Who wrote “Pride and Prejudice”? A) Jane Austen B) Charles Dickens C) William Shakespeare D) Mark Twain Answer: A) Jane Austen 91. In which year did Pakistan gain independence? A) 1947 B) 1956 C) 1965 D) 1971 Answer: A) 1947 92. Who is the founder of Microsoft? A) Steve Jobs B) Bill Gates C) Mark Zuckerberg D) Elon Musk Answer: B) Bill Gates 93. What is the capital of Australia? A) Sydney B) Melbourne C) Brisbane D) Canberra Answer: D) Canberra 94. Which element is represented by the chemical symbol “O”? A) Gold B) Oxygen C) Osmium D) Oganesson Answer: B) Oxygen 95. What is the product of 8 × 7? A) 48 B) 56 C) 64 D) 72 Answer: B) 56 96. Which of the following is the antonym of “difficult”? A) Hard B) Simple C) Complicated D) Challenging Answer: B) Simple 97. The Urdu word for “school” is: A) گھر B) مدرسہ C) کتاب D) اسپتال Answer: B) مدرسہ 98. What is the chemical symbol for sodium? A) Na B) So C) Sd D) Sn Answer: A) Na 99. Which programming language is known for its use in web development? A) Python B) Java C) HTML D) C++ Answer: C) HTML 100. What is the value of 15 divided by 3? A) 3 B) 5 C) 7 D) 10 Answer: B) 5