D:-Soil formation is less than soil loss
Correct Answer:- Option-A
Question77:-An approximate estimation of the soluble salt in soil can be made quickly by
൧൦ *P*(H)° meter
B:-Electrical conductivity meter
C:-Flame photometer
D:-None of these
Correct Answer:- Option-B
Question78:-The porosity range of clay soilis__to percent
A:-20 to 40
B:-40 to 60
C:-20 to 30
D:-50 to 60
Correct Answer:- Option-B
Question79:-Contour bunding is suitable for areas where land slope is__ and average annual rainfall is
A:-Less than 6%, less than 1200 mm
B:-Greater than 6%, less than 1200 mm
C:-Less than 6%, less than 600 mm
D:-Greater than 6%, less than 600 mm
Correct Answer:- Option-C
Question80:-The headquarters of NBSS & LUP is located at
A:-New Delhi
B:-Chennai
:-Nagpur
D:-Hyderabad
Correct Answer:- Option-C
Question81:-Tension of water at saturation capacity is almost
A:-Zero
B:-10
:-20
0:-100
Correct Answer:- Option-A
Question82:-Soil degradation takes place due to
A:-Glacial erosion
-Geologic erosion
C:-Accelerated erosion
D:-All of the above
Correct Answer:- Option-C
Question83:-____ are structures of stone wrapped in corrosion resistant wirres used to prevent gully erosion
A:-Riparians
-Geogrids
C:-Gabions
D:-Geotextiles
Correct Answer:- Option-C
Question84:-In the landuse capability subclasses, __is not included as a limitation
A:-Erosion
B:-Climate
C:-Soil
D:-Slope
Correct Answer:- Option-D
Question85:-The largest and most important soil group of India
A:-Laterite soil
-alluvial soil
C:-Black soil
D:-Red soil
Correct Answer:- Option-B
Question86:-The black soils of India belong to which soil order.
A:-Vertisol
B:-Oxisol