Ecosystem Restoration MCQs January 8, 2026August 13, 2024 by u930973931_answers 40 min Score: 0 Attempted: 0/40 Subscribe 1. . What is the primary goal of ecosystem restoration? (A) Increase biodiversity (B) Return an ecosystem to its original state (C) Reduce carbon emissions (D) Promote urban development 2. . A common technique used in ecosystem restoration is: (A) Soil erosion control (B) Urbanization (C) Pollution (D) Industrial expansion 3. . Restoration of wetland ecosystems is called: (A) Reforestation (B) Reclamation (C) Wetland rehabilitation (D) Afforestation 4. . Which ecosystem has dense trees and a closed canopy? (A) Desert (B) Grassland (C) Tropical rainforest (D) Tundra 5. . Why are native species planted in restoration projects? (A) Increase agriculture (B) Enhance biodiversity and ecological balance (C) Reduce soil fertility (D) Support invasive species 6. . Removing invasive species is known as: (A) Restoration planting (B) Habitat fragmentation (C) Invasive species management (D) Soil contamination 7. . A keystone species is one that: (A) Has little environmental impact (B) Is restored first (C) Maintains ecosystem structure (D) Competes with all species 8. . Ecological succession refers to: (A) Gradual ecosystem change over time (B) Immediate restoration (C) Species extinction (D) Introduction of non-native species 9. . A key goal of river restoration is: (A) Increase sedimentation (B) Improve water quality and habitat (C) Decrease biodiversity (D) Promote industry 10. . Role of riparian zones: (A) Provide habitat for aquatic species (B) Increase erosion (C) Reduce filtration (D) Promote urbanization 11. . Buffer zones are created to: (A) Increase human activity (B) Protect restored areas (C) Reduce restoration size (D) Enhance erosion 12. . Example of habitat restoration technique: (A) Controlled burns (B) Urban expansion (C) Chemical pollution (D) Soil depletion 13. . Main challenge in coral reef restoration: (A) High temperature and ocean acidification (B) Nutrient reduction (C) Urbanization (D) Low biodiversity 14. . Reintroduction of native species is called: (A) Rewilding (B) Afforestation (C) Urban planning (D) Industrialization 15. . Biodiversity is important because it: (A) Complicates restoration (B) Enhances ecosystem resilience (C) Reduces effectiveness (D) Eliminates invasives 16. . A restoration baseline is: (A) Current ecosystem state (B) Future ecosystem state (C) Historical reference condition (D) Final restoration step 17. . Soil erosion can be prevented by: (A) Installing sediment traps (B) Construction expansion (C) Vegetation removal (D) Pesticide use 18. . Role of seed banks: (A) Store seeds for future restoration (B) Increase fertility (C) Manage invasives (D) Create new species 19. . Restoring forests by planting trees is: (A) Reforestation (B) Desertification (C) Urbanization (D) Aquaculture 20. . Benefit of using natural processes: (A) Cost-effective and sustainable (B) Faster restoration (C) No monitoring needed (D) Increased pollution 21. . Monitoring in restoration helps to: (A) Assess effectiveness and adapt management (B) Increase costs (C) Limit stakeholders (D) Reduce biodiversity 22. . Restoration focused on agriculture is: (A) Agroecological restoration (B) Urban restoration (C) Coastal restoration (D) Forest restoration 23. . Climate change affects restoration by: (A) Having no impact (B) Altering species distribution and functions (C) Improving outcomes (D) Simplifying planning 24. . Restoration involving local communities: (A) Community-based restoration (B) Top-down restoration (C) Industrial restoration (D) Government-only restoration 25. . Restoring degraded farmland involves: (A) Crop rotation and cover crops (B) More pesticides (C) Monoculture expansion (D) Reduced organic matter 26. . Indicator of successful wetland restoration: (A) Increased sedimentation (B) Improved water quality and diversity (C) Reduced plant growth (D) More pollution 27. . Natural regeneration means: (A) Ecosystem recovery without intervention (B) Planting non-native species (C) Soil-only restoration (D) Increased deforestation 28. . Grassland restoration requires: (A) Removing invasives and planting natives (B) Increased grazing (C) Urban expansion (D) Reduced fertility 29. . Ecological models are used to: (A) Predict outcomes and guide decisions (B) Increase costs (C) Replace fieldwork (D) Avoid monitoring 30. . Restoring natural processes focuses on: (A) Process-based restoration (B) Species-specific restoration (C) Structural restoration (D) Habitat-specific restoration 31. . A reference ecosystem is: (A) A model ecosystem for restoration (B) Pollution-free ecosystem (C) Highly polluted ecosystem (D) Fully restored ecosystem 32. . Challenge in arid ecosystem restoration: (A) Limited water availability (B) Excess rainfall (C) Dense vegetation (D) Low temperature 33. . Goal of riparian restoration: (A) Improve water quality and aquatic habitats (B) Increase urban growth (C) Reduce flow (D) Promote erosion 34. . Using local knowledge in restoration is: (A) Traditional ecological knowledge (B) Industrial restoration (C) Remote sensing (D) Global standards 35. . Habitat fragmentation refers to: (A) Breaking habitats into isolated patches (B) Merging habitats (C) Creating diversity (D) Enhancing connectivity 36. . NGOs in restoration: (A) Lead community projects and awareness (B) Focus on economics only (C) Discourage participation (D) Limit funding 37. . Benefit of coastal ecosystem restoration: (A) Increased flooding (B) Better fish habitat and water quality (C) Reduced biodiversity (D) Less tourism 38. . Ecological assessments are done to: (A) Identify ecosystem health and needs (B) Reduce costs (C) Increase awareness only (D) Simplify restoration 39. . Community involvement improves restoration by: (A) Providing local knowledge and support (B) Increasing bureaucracy (C) Reducing funding (D) Delaying decisions 40. . Impact of invasive species: (A) Disrupt ecosystems and outcompete natives (B) Always increase biodiversity (C) No ecosystem impact (D) Improve soil quality