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.Management Sciences
Category: Soil Science
Structure and size of aphantic rock is________________?
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A. Course-grained like
B. Fine grained
C. Large-Glassy
D. Phenocryst
Corrositivity of water is an indication of___________________?
A. Salinity
B. Property of polluted material
C. Both a & b
D. None of the above
The wearing away of the land surface by wind, water, ice or other geological agents is called____________________?
A. Seepage
B. Soil erosion
C. Soil contamination
D. All the above
Electrical conductivity of saturated paste is written as____________________?
A. ECP
B. ECe
C. ECs
D. Ecw
The earth core is made of the following metals ______________________?
A. Fe & Ni
B. Mg & Ni
C. Cu & Ni
D. None of these
The time for which water and ion remains in vicinity is called_____________________?
A. Primary hydration
B. ppm
C. Normality
D. Residence time
The soil of Sindh (Pakistan) have pH______________________?
A. 5.0 to 6.5
B. 6.5 to 7.5
C. 7.5 to 8.5
D. 8.5 to 9.5
Nitrogen gases are involved in_____________________?
A. Sleepy feelings
B. Hair disease
C. Mental disease
D. Acid rains
Product of microorganism that appears to chelate calcium is called_____________________?
A. Pyruive acid
B. 2-ketoghconic acid
C. Carbon dioxide
D. Phospheric acid
Who characterized soil formation as set of “4” process______________________?
A. Jinney
B. Ziking
C. Newton
D. Simonson
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