“Soil” word derive from which language?
“Soil” word derive from which language?
A. English
B. Greek
C. Latin
D. None of the above
A. English
B. Greek
C. Latin
D. None of the above
Boron concentration is irrigation water is considered safe only upto_________________? A. 0.7 ppm B. 1.5 ppm C. 2 ppm D. 3 ppm
The available from of nitrogen for plant is________________? A. NO3 B. NH4C. Both a & b D. None of the above
What civil engineers called soil? A. Soil B. LandC. Earth D fragmented rock
Shrinking and swelling is property of__________________? A. Clay B. Silk C. WaterD. Smecitie
The unit of electrical conductivity is____________________? A. dsm-1 B. mmhos/m C. ms/cm D. Al the above
Soil is a mixture of__________? A. Minerals And organic matter B. Water C. AirD. All of the above