The movement of water through a column of soil is called:___________?
A. Infiltration
B. Percolation
C. Leaching
D. hydraulic conductivity
Soil Science
The deficient macronutrient in the sodic soils is:_______?
The deficient macronutrient in the sodic soils is:_______?
A. Mg
B. Ca
C. Mo
D. Cu
According to one estimate, wind and water erosion over ______ % of the Pakistan’s total area?
According to one estimate, wind and water erosion over ______ % of the Pakistan’s total area?
A. 46%
B. 36%
C. 76%
D. None of the above
About 40% of the total area of Pakistan is affected by wind erosion. this includes:_________?
About 40% of the total area of Pakistan is affected by wind erosion. this includes:_________?
A. Thal, Cholistan
B. Parts of Mianwali and D.G
C. Tharparkar & vast areas of Balochistan
D. All of the above
Examples of prismatic structures are found in the _______________ mapped in KPK and the northern part of Punjab.
Examples of prismatic structures are found in the _______________ mapped in KPK and the northern part of Punjab.
A. Peshawar series
B. Gujranwala series
C. wazirabad & dorian series
D. All of the above
Soil particles as individuals such as sand and do not form aggregates. These are usually found in parent material or C horizon is:_________?
Soil particles as individuals such as sand and do not form aggregates. These are usually found in parent material or C horizon is:_________?
A. Massive
B. Single-grained
C. Aggregated
D. All of the above
AAS stands for:___________?
AAS stands for:___________?
A. Atomic absorption spectrophotometer
B. Atom analyser solution
C. Asia agriculture society
D. None of these
Most common rocks, after exposed to weathering which cover about ______% 0f the earth:
Most common rocks, after exposed to weathering which cover about ______% 0f the earth:
A. metamorphic rocks
B. Sedimentary rocks
C. Igneous rocks
D. Shales
Granite and Basalt are examples of:___________?
Granite and Basalt are examples of:___________?
A. Sedimentary Rocks
B. Stratified rocks
C. Aqueous rocks
D. None of the above
following are types of weathering:
following are types of weathering:
A. Geo chemical weathering
B. Judo weathering
C. Pedo chemical weathering
D. both a and c