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.Management Sciences
Category: Soil Science
Places where volcanoes occur are_________________?
A. Pacific ocean
B. Mid-Atlantic ridge
C. Mediterranean sea
D. All the above
Plutonic rocks are also called____________________?
A. Intrusive igneous
B. Metamorphic
C. Sedimentary
D. Extrusive igneous rock
Permanente wilting point of clayey soils is not less than____________________?
A. 20%
B. 10%
C. 5%
D. 15%
Point of zero change means____________________?
A. All the covalent bonds
B. Zero charge at surface
C. All are ionic bond
D. None of the above
Which compound is mostly used in Pakistan for the reclamation of saline-sodic & sodic soils_________________?
A. Apatite
B. Calcite
C. Dolomite
D. Gypsum
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