Tiêu đề 15. BIODIVERSITY AND CONSERVATION.pdf ✅

15. BIODIVERSITY AND CONSERVATION 1. Which one of the following groups consists of non- renewable organic resources (a) Air, sand and clay (b) Coal, oil and natural gas (c) Air, minerals and water (d) Water, wood and natural pastures 2. The energy produced by hydel-power plant is (a) Renewable and polluting (b) Non-renewable and polluting (c) Renewable and non-polluting (d) Non-renewable and non-polluting 3. Non-polluting renewable type of energy is (a) Wind (b) Solar (c) Tidal (d) All the above 4. Inexhaustible but limited source of energy is (a) Products of lakes and ponds (b) Products of oceans (c) Nuclear fuels (d) Fossil fuels 5. A depleting source of energy is (a) Water (b) Wind (c) Sunlight (d) Fossil fuel 6. Which of the following environmentalist is pioneer in resource conservation (a) Odum (b) Tansley (c) William Vogi (d) Reiter 7. Soil erosion can be prevented by (a) Overgrazing (b) Removal of vegetation (c) Afforestation (d) Increasing birds population 8. Silent valley of Kerala is preserved because (a) Has many rare species (b) Many new plants (c) New hybrids (d) None of the above 9. Which of the following is an anti-forest conservation activity (a) Economy in lumbering (b) Clear felling (c) Preservation of fires (d) Preservation of wild animals 10. Which of the following is non-renewable resource (a) Forest (b) Coal deposit (c) Water (d) Wild life 11. ‘‘National Institute of Oceanography’’ is situated at (a) Bombay (b) Panaji (Goa) (c) Lucknow (d) Chennai 12. Soil conservation is the process where (a) Sterile soil is converted to fertile soil (b) Soil is aerated (c) Soil erosion is allowed (d) Soil is protected against loss 13. National Environmental Engineering Research Institute (NEERI) is situated at (a) New Delhi
(b) Nagpur (c) Bhopal (d) Baroda 14. Deforestation may reduce the chances of (a) Rainfall (b) Frequent cyclones (c) Erosion of surface soil (d) Frequent land slides 15. Chipko movement is concerned with (a) Plant conservation (b) Project Tiger (c) Plant breeding (d) Animal breeding 16. Sal forests are found in India (a) In western ghats (b) Dehradoon valley (c) Nilgiri hills (d) Satpura mountains 17. Petroleum is a (a) Non-renewable source (b) Renewable source (c) A synthetic product (d) An inconvinient source 18. Percentage of land covered by forests in India is (a) 9-18% (b) 18-27% (c) 27-36% (d) More than 50% 19. Minerals and metals are (a) Renewable resources (b) Non-renewable resources (c) Renewable and non-renewable resources (d) Biodegradable resources 20. Forests participate in (a) Controlling pollution (b) Prevention of soil erosion (c) Maintenance of ecological balance (d) All the above 21. Non-renewable source is (a) Water and gas (b) Plant and coke (c) Coke and mineral substances (d) Energy and water 22. Which of the following is a renewable resource (a) Fossil fire (b) Metal (c) Water (d) All the above 23. Chipko Andolan (Movement) which was started in 1970 in Garhwal/Himalayas (Gopeshwar) near Alaknanda river was for the first time initiated by (a) Chander Prasad Bhatt (b) Sunder Lal Bahuguna (c) Baba Amte (d) Vinoba Bhave 24. Deforestation leads to (a) Soil erosion (b) Global warming (c) Soil protection (d) Both (a) and (b) 25. Land mass occupied by forest is about or According to Indian forest policy what percentage of the land area should be under forest cover (a) 11% (b) 22% (c) 30% (d) 60% 26. Forests should be conserved as they provide
(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
39. Forests take part is (a) Control of atmospheric pollution (b) Prevention of soil erosion (c) Maintenance of natural balance (d) All the above 40. Afforestation should be with (a) Exotic species (b) Indigenous species (c) Bamboos (d) Eucalyptus 41. American water plant that has become a troublesome water weed in India is (a) Cyperus rotundus (b) Eichhornia crassipes (c) Trapa latifolia (d) Trapa bispinosa 42. Fertility of soil is measured by its ability to (a) Retain nutrients (b) Hold organic materials (c) Hold water (d) Support life 43. Soil conservation is (a) Conversion of sterile soil into fertile one (b) Aeration of soil (c) Erosion of soil (d) Protection against loss 44. Removal of top fertile soil by wind or water is (a) Siltation (b) Soil erosion (c) Weathering of soil (d) Leaching 45. Best source of renewable energy is (a) Cattle (b) Petroleum (c) Coal (d) Trees 46. Mulching is helpful in (a) Increasing soil fertility (b) Improvement of soil structure (c) Moisture conservation (d) Better crops 47. Value of a resource is dependent on its (a) Quality (b) Quantity (c) Requirement and type of society (d) All the above 48. Water is a resource (a) Nondegradable nonmaintainable (b) Degradable maintainable (c) Renewable (d) Non-renewable 49. Largest amount of fresh water is found in (a) Lakes and streams (b) Underground (c) Polar ice and glaciers (d) Rivers 50. Source of energy which does not evolve CO2 is (a) Coal (b) Oil (c) Organic compounds (d) Nuclear energy 51. Endemic plants are those which are (a) Cosmopolitan in distribution (b) Restricted to certain area (c) Found in arctic region (d) Gregarious in habit 52. Earth Summit at Rio-de-Janero was related to