Across
- 2. dead remains of living organisms
- 7. medicines which kill or stop growth of microorganisms
- 14. acetic acid
- 16. carrier of disease
- 17. cutting of crop after it is mature
- 20. lever system
- 21. supply of water at regular intervals
- 26. uncultivated
- 27. large scale storage
- 28. promotes formation of curd
- 29. caused by virus
- 31. modern method of irrigation
- 34. separation of grain from chaffe
- 35. big lumps of soil
- 39. carrier of malaria
- 40. carrier of dengue virus
Down
- 1. heating and suddenly cooling milk
- 3. removal of weeds
- 4. plants of same kind grown at one place on large scale
- 5. loosening and turning of soil
- 6. source of petrol and diesel
- 8. rainy season crops
- 9. slow process of conversion of dead vegetation to coal
- 10. compressed natural gas
- 11. present in unlimited quantities
- 12. caused by protozoa
- 13. unwanted plants
- 15. present in limited quantities
- 18. fights disease carrying invaders
- 19. petroleum conservation research association
- 22. fix nitrogen
- 23. disease carrying organisms
- 24. pulley system
- 25. winter season crops
- 30. caused by bacteria
- 32. petroleum gas in liquid form
- 33. example of fertiliser
- 36. seed drill
- 37. check the growth of microorganisms
- 38. traditional method of irrigation