D:-Soil formation is less than 501 1055
Correct Answer:- Option-A
Question77:-An approximate estimation of the soluble salt in scil can be made quickly by
കട “എ” നല്ല
B:-Electrical conductivity meter
C:-Flame photometer
D:-None of these
Correct Answer:- Option-B
Question78:-The porosity range of (10% 50115 0 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 slopeis ___ 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
C:-Nagpur
D:-Hyderabad
Correct Answer:- Option-C
Question81:-Tension of water at saturation capacity is almost
A:-Zero
B:-10
C:-20
D:-100
Correct Answer:- Option-A
Question82:-Soil degradation takes place due to
A:-Glacial erosion
B:-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 qully erosion
A:-Riparians
B:-Geogrids
C:-Gabions
D:-Geotextiles
Correct Answer:- Option-C
Question84:-In the landuse capability subclasses, _____is not included as a limitation
കടി

D:-Slope
Correct Answer:- Option-D
Question85:-The largest and most important soil group of India
A:-Laterite soil
B:-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