1. It is the most advanced system of irrigation which was developed in Israel

2. Tanks play an important role in

3. most popular means of irrigation

5. most expensive means of irrigation in India

6. Most efficient means of irrigation in South India

7. Name the state which leads in irrigation by wells in India

8. ___________ is the largest state of tank irrigation

9.___________ is the other name for Rajasthan canal

10. Bhakranangal dm is constructed across

11.Unlined wells are 

12. Persian wheel method uses ------------ for irrigation of fields

13. The inclined plane method is also known as

14. Ideal conditions for drilling wells are

15. Inundation canals can be used 

16. Perennial canals are constructed by

17. Tanks of the Deccan area are

18. following are the advantages of tank irrigation

19. laterite soil is suitable for

20. laterite soil supports

21. regur is a term associated with

22. the area least affected by soil erosion is -----------------

23. black soil is-----------

24. name the soil rich in humus.

25. soil contains

26. name two states where black soil is found

27. name the soil which is also called river soil

28. it takes hundreds of years to make a one centimeter thick layer of

29. the most important factor in determining soil character -------------

30. moisture retentive soil

31. in which region we can see terrace farming. 

32. which of the following soils has self aeration capacity

33. the process of soil formation is known as

34. which crop grows well in laterite soil

35. the word Kal Baisakhi means

36. largest area under irrigation is found in

37. pneumatophores are associated with ------------forest

38. the roots of this plant are from stem too. this plant belongs

39. pine, spruce, deodar oak belong to

40. this tree has breathing roots