A. 5.0 to 6.5
B. 6.5 to 7.5
C. 7.5 to 8.5
D. 8.5 to 9.5
Soil Science
Rhyolite in nature is………………….?
A. Acidic
B. Basic
C. Both a & b
D. None of the above
Rocks which are formed by disintegration of pre-existing rocks by weathering are………………..?
A. Sand stone
B. Classics
C. Igneous
D. Greis
Silt stones consists of grains whose size range from………………..?
A. 0.625 mm
B. 0.004 mm
C. 0.0625 mm
D. Both b & c
Metamorphic rocks are formed from………………..?
A. Igneous rocks
B. Sedimentary rocks
C. Both a & b
D. Cleavage
Schist is example of………………..?
A. Stone
B. Name of mountain
C. Metamorphic rock
D. None of the above
Which mineral contain phosphorus………………?
A. Igneous
B. Metamorphic
C. Apatite
D. None of the above
How many different minerals deposits are found in Pakistan ?
A. 100
B. 60
C. 30
D. None of the above
Plutonic rocks are also called………………..?
A. Intrusive igneous
B. Metamorphic
C. Sedimentary
D. Extrusive igneous rock
Felsic rocks consists of……………….?
A. fe
B. Quartz
C. Buiotitic
D. Quartz & Feldspars