Crop production and management Worksheet-7

Crop production and management Worksheet-7

Multiple Choice Questions:

31. What is the significance of cultivator?

(A) Saves time                               (B) Cheap

(C) Easy to handle                        (D) All

32. Traditional tool is a method to –

(A) Loosen soil                              (B) Select good seeds

(C) Irrigation                                 (D) None

33. The substances which are added to the soil in the form of nutrients for the healthy growth of plants are called-

(A) Water          (B) Humus        (C) Fertilizers   (D) Manure

(E) All

34. _______ is an organic substance obtained from the decomposition of plant or animal wastes

(A) Water          (B) Manure       (C) Fertilizers   (D) All

35. ______ are chemical substances which are rich in a particular nutrient.

(A) Water          (B) Manure       (C) Fertilizers   (D) All 

36. The supply of water to crops at different intervals is called-

(A) Winnowing (B) Threshing   (C) Irrigation    (D) Sowing

37. When water is allowed to flow through the main pipe under pressure with the help of a pump, it escapes from the rotating nozzles. This method is called-

(A) Drip method                           (B) Sprinkle method

(C) Both                                          (D) None

38. The removal of unwanted plants is called-

(A) Threshing                               (B) Irrigation

(C) Moat system                          (D) Weeding

39. For physical removal of weeds by uprooting or cutting them close to the ground, the  instrument used is ;

(A) Tub              (B) Cultivator   (C) Khurpi         (D) None

40. 2, 4-D is a-

(A) Fertilizer                                 (B) Organic manure

(C) Weedicide                               (D) Variety of seed

Answer key:

31. (A)

32. (B)

33. (E)

34. (B)

35. (C)

36. (C)

37. (B)

38. (D)

39. (C)

40. (C)