CSS :: Soil Erosion and Conservation
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51. |
If there is a little slope in the field, the soil erosion can be prevented by: |
A. |
Contour terracing |
B. |
Contour strip cropping |
C. |
Confour farming |
D. |
All of these |
Answer: Option B
Explanation:
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52. |
The fertility level of any soil is generally determined by: |
A. |
Aeration and hydration |
B. |
Humus and mineral contents |
C. |
Humus, mineral and hydration level |
D. |
All of these |
Answer: Option D
Explanation:
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53. |
The most common method used for cultivation on hills: |
A. |
Levelling |
B. |
Ridge terracing |
C. |
Bench terracing |
D. |
Channel terracing |
Answer: Option C
Explanation:
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54. |
The disadvantage of ploughing in arid and semi-arid zones is: |
A. |
Loss of soil water |
B. |
Soil particles became smaller |
C. |
Soil organisms are exposed |
D. |
All of these |
Answer: Option A
Explanation:
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55. |
Gullies are removed by: |
A. |
Pan breaking |
B. |
Levelling |
C. |
Ridge terracing |
D. |
All of these |
Answer: Option B
Explanation:
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56. |
An important agrostological technique to check soil erosion in the initial stages is: |
A. |
Ley farming |
B. |
Land retirement |
C. |
Basin listing |
D. |
Contour farming |
Answer: Option A
Explanation:
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57. |
Which of the following plants are used as wind breaks? |
A. |
Zizpyhus and Calotropis |
B. |
Dalbergia and Delonix |
C. |
Delonix and Albizia |
D. |
Morinda and Anona |
Answer: Option A
Explanation:
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58. |
The most significant and initial requirement for dry farming is: |
A. |
Shallow ploughing |
B. |
Development of textures |
C. |
Animal husbandry |
D. |
Crop selection |
Answer: Option D
Explanation:
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59. |
The soil permeability can be decreased due to blockers called: |
A. |
Pans |
B. |
Peds |
C. |
Clods |
D. |
None of these |
Answer: Option A
Explanation:
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60. |
The removal of weeds by ploughing is called: |
A. |
Mulching |
B. |
Fallowing |
C. |
Tilling |
D. |
Contour farming |
Answer: Option C
Explanation:
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