Types of Soil CDS Questions

CDS Physical Geography

Types of Soil MCQ Questions


7.
Alluvial soils are generally deficient in which of the following plant nutrients?
A.
Potash and phosphoric acid
B.
Potash, lime and iron
C.
Nitrogen, phosphorus and humus
D.
Iron and magnesium
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ANSWER :
C. Nitrogen, phosphorus and humus
8.
Which one of the following crops is NOT typically associated with alluvial soils?
A.
Wheat
B.
Sugarcane
C.
Cotton
D.
Rice
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ANSWER :
C. Cotton
9.
The colour of alluvial soil generally varies between which of the following?
A.
Light grey to ash grey
B.
Bright red to yellow
C.
Deep black to dark brown
D.
Brick red to chocolate brown
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ANSWER :
A. Light grey to ash grey
10.
Black soil of India is also known by which of the following local names?
A.
Bhabar
B.
Khadar
C.
Regur
D.
Bhangar
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ANSWER :
C. Regur
11.
The black soils of India have been formed mainly by the weathering of which type of rocks?
A.
Sandstone and shale of the Vindhyan system
B.
Granite and gneiss of the Peninsular shield
C.
Alluvial deposits of the Himalayan rivers
D.
Basaltic lava of the Deccan Trap
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ANSWER :
D. Basaltic lava of the Deccan Trap
12.
The dark colour of black soils is mainly due to the presence of which of the following?
A.
Calcium carbonate and humus
B.
Manganese and silica
C.
Iron oxide and aluminium oxide
D.
Titaniferous magnetite and organic matter
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ANSWER :
D. Titaniferous magnetite and organic matter