Elements essentially required for growth of all plants species are _______?
A. 32
B. 15
C. 16
D. 3
Problem of erosion in Thal and Cholistan is due to ________?
A. Wind
B. Fire
C. Water
D. Atmosphere
Age of Earth is _______?
A. 4.5 billion years
B. 4 billion years
C. 1 billion years
D. 6 billion years
Lithosphere refers to _______?
A. Zone of atmosphere
B. Zone of earth crust
C. Zone of ozone
D. Zone of water
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
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. Cleavag
Schist is example of ______?
A. Stone
B. Name of mountain
C. Metamorphic rock
D. None of the above
Nice efforts thanks