21. The land levelling implement is—
(A) Patela
(B) Roller
(C) Scrapper
(D) All of the above
(E) None of the above
(D) All of the above
22. Patela is used for—
(A) Sowing
(B) Ploughing
(C) Earthing
(D) Weeding
(E) Levelling
(E) Levelling
23. Which of the material is not used for making rollers ?
(A) Wood
(B) Stone
(C) Iron
(D) Steel
(E) None of the above
(D) Steel
24. In which condition, roller is used ?
(A) Where soil is wet.
(B) Where clods are present in soil.
(C) Where soil is friable.
(D) Where soil is undulated.
(E) None of the above
(E) None of the above
25. Which one of the following work is not done by scrappers ?
(A) For levelling of soil
(B) For making irrigation channels
(C) For filling ravines and pits
(D) For making ridges
(E) For covering the sown-seeds by earth
(E) For covering the sown-seeds by earth
26. Dibbler is used for—
(A) Ploughing
(B) Seed sowing
(C) Levelling of land
(D) Interculture
(E) In all above work
(B) Seed sowing
27. The minimum expenditure is incurred by implements for sowing seeds among the following—
(A) Deshi plough
(B) Cultivator
(C) Dibbler
(D) Seed-drill
(E) No specific difference in expenditure
(D) Seed-drill
28. Which of the following tool is used for measuring the draft of agricultural implements ?
(A) Dynamometer
(B) Hydrometer
(C) Galvanometer
(D) Barometer
(E) Lactometer
(A) Dynamometer
29. Which of the following does not affect the draft of ploughs ?
(A) Width of furrow
(B) Depth of furrow
(C) Length of furrow
(D) Soil moisture
(E) Sharpness of share
(C) Length of furrow
30. Swing-basket (Dhenkuli) is used for—
(A) Making furrow
(B) Lifting water from wells
(C) Destroying weeds
(D) Levelling of land
(E) Cutting the crops
(B) Lifting water from wells