Grade 12 NIOS EVS

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Across
  1. 2. underground natural water reservoir storing groundwater
  2. 8. planting trees again to conserve soil and water
  3. 10. chemical energy compound synthesized in humans during respiration
  4. 12. collecting and storing rainwater for later use
  5. 13. coal oil natural gas formed over millions of years
  6. 14. treating wastewater for reuse in irrigation or industry
  7. 16. renewable non-polluting energy harnessed from the sun
  8. 19. mixture of methane and carbon dioxide from anaerobic waste
  9. 20. using wastewater rich in nutrients for crops
Down
  1. 1. initiative to remove pollutants from Yamuna river
  2. 3. electricity generated from water stored in dams
  3. 4. government project to clean polluted Ganga river
  4. 5. major cause of increasing water demand in agriculture
  5. 6. compact fluorescent light saving 75 percent electricity
  6. 7. fuel derived from oilseed plants like Jatropha
  7. 9. indispensable natural resource essential for life
  8. 11. Bureau of Energy Efficiency agency for star ratings of appliances
  9. 15. organic plant material used as renewable energy source
  10. 17. capacity to do work needed by all organisms
  11. 18. renewable energy generated by moving air