Soil Erosion and Conservation mcq questions and answers for competitive exams

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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
46.
Wind velocity is less at

a
Ground surface
b
Above the ground
c
Below the ground
d
All of the above

47.
Which of the following plants is used as windbreak?

a
Delonix
b
Prosopis
c
Mangifera
d
Eucalyptus

48.
The cutting of trees from the forests of hill near a catchment area:

a
Will have no effect on causing floods in plain
b
May cause flood in plains in rainy season
c
Will benefit the mankind for more area for cultivation
d
Will have no effect on climatic condition of that area

49.
An important agrostological technique to check soil erosion in the initial stages is:

a
Contour farming
b
Land retirement
c
Basin listing
d
Ley farming

50.
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

51.
Wind erosion will be higher from

a
A barren sandy soil
b
Clay soil
c
Sandy soil
d
Loam soil

52.
What is the major cause of diminishing wild life?

a
Cannabalism
b
Felling of trees
c
Habitat destruction
d
Paucity of drinking water

53.
Rill erosion is also called as

a
Micro channel irrigation
b
Major channel irrigation
c
None of the above
d
All of Above

54.
Gabion structure are

a
Flexible
b
Permeable
c
Both
d
None of these

55.
If the same crop is repeatedly grown in a field:

a
Water level in soil will recede
b
Nitrogen starvation many result
c
Soil will become prone to diseases
d
Specific mineral deficiency may arise

56.
Mulching helps in:

a
Weed control
b
Moisture conservation
c
Increasing soil fertility
d
Improvement of soil structure

57.
Side effect of heavy and constant grazing is that the:

a
Upper layers of soil are loosened and are eroded
b
Lower compact layers make root penetration difficult
c
Lower layers are made more compact and root respiration is interfered with
d
All of the above

58.
Gullies are removed by:

a
Levelling
b
Pan breaking
c
Ridge terracing
d
All of these

59.
Class-III lands of LUCC are

a
Moderately good for cultivation
b
Good for cultivation
c
Not good for cultivation
d
None of the above

60.
In dry farming initially the fertility of the land can be increased by:

a
Agrostology
b
Basin listing
c
Animal husbandry
d
Growing grazing fields

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