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Soil Erosion and Conservation mcq questions and answers for competitive exams

Ramya_naidu

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Soil Erosion and Conservation mcq questions and answers for competitive exams UPSC SSC , SSC CGL, SSC CHSL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online
61.
The most significant and initial requirement for dry farming is:

a
Crop selection
b
Animal husbandry
c
Shallow ploughing
d
Development of textures
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62.
It occurs under normal conditions:

a
Surface creep
b
Geological erosion
c
Both (a) and (b)
d
Accelerated erosion
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63.
Odum has described soil erosion as:

a
Soil pollution
b
Loss of feeding zone
c
Loss of living stratum
d
Creeping death of soil
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64.
Soil conservation is the process where:

a
Soil is aerated
b
Soil erosion is allowed
c
Soil is protected against loss
d
Sterile soil is converted into fertile soil
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65.
Terracing is an affective method of soil conservation:

a
Plains
b
Hilly areas
c
Desert areas
d
Riverine areas
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66.
Constant grazing and browsing in an area may ultimately result in the formation of:

a
Desert
b
Grassland
c
Dense forest
d
Bushy vegetation
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67.
The soil binding is done in the best way by:

a
Algae
b
Grasses
c
Mycorrhizae
d
All of these
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68.
Which of the following prevents afforestation in deserts:

a
Low rainfall
b
Local resident
c
Unfertility of soil
d
Goat and grazing animals
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69.
Main indicator of soil erosion is:

a
Ozone layer
b
Deforestation
c
Afforestation
d
Goats and grazing animals
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70.
Wind turbulence is greater on

a
Rough surface
b
Smooth surface
c
Undulating surface
d
None of the above
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71.
When trees and shrubs are planted in long rows along streams, they are described as:

a
Wind breaks
b
Shelter belts
c
Soil binders
d
Basin blisters
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72.
Wind turbulence is increases with increase in

a
Friction velocity
b
Velocity
c
Pressure
d
Temprature
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73.
The magnitude of wind turbulence is greater at

a
Ground surface
b
Rough surface
c
Smooth surface
d
None of the above
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74.
The chief cause of accelerated erosion is:

a
Overfelling and overgrazing
b
Excessive rains
c
Wind storms
d
All of the above
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75.
The ecological equilibrium in mined areas can be achieved by:

a
Introducing agriculture
b
Preventing overgrazin
c
Preventing soil erosion
d
Developing a vegetational cover
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