Tiêu đề 15. BIODIVERSITY AND CONSERVATION.pdf ✅

(a) Food (b) Medicine (c) Wood (d) All of these 27. Afforestation with regard to urban development is called (a) Social forestry (b) Integrated Forest Management (c) Both (a) and (b) (d) None of these 28. Social forestry is useful in yielding (a) Floriculture (b) Timber (c) Medicines (d) Multipurpose uses 29. In India highest amount of coal is present in (a) West Bengal (b) Maharastra (c) Jharkhand (d) Assam 30. Which of the following is a non-renewable energy source (a) Hydropower (b) Tidal power (c) Geothermal energy (d) Nuclear energy 31. More than 70% of world’s freshwater is contained in (a) Polar ice (b) Glaciers and mountains (c) Antartica (d) Greenland 32. Mine spoil is (a) Wastes from mines (b) Wastes from mine processing (c) Land degraded by mining (d) Both (a) and (b) 33. Conservation is (a) Protection of natural resources (b) Management of natural resources (c) Proper use of natural resources (d) All the above 34. Overgrazing causes (a) Negative pollution (b) Positive pollution (c) Soil erosion (d) Reduction in crop yield 35. Forest control drought though (a) Lot of water plants (b) Increasing rainfall (c) Retention of water and prevention of erosion (d) Functioning as water shed 36. Deforestation brings about (a) Increased sunlight (b) Increased grazing area (c) Weed control (d) Soil erosion 37. Silent Valley has been preserved as it has (a) Recreational value (b) Valuable timber plants (c) Natural forest (d) Rare plants and animals 38. Chipko movement is connected with (a) Conservation of natural resources (b) Plant/forest conservation (c) Plant breeding (d) Project tiger