Q.1 The outermost 10 mile strata of the lithosphere are called_____________.
Soil Horizon Earth crust
Q.2 The gaseous envelope over the earth’s surface is the_____________.
Temperature Atmosphere Hydrosphere
Q.3 The two non-metallic elements occurring in greatest abundance in the earth crust are___________.
Calcium & Magnesium Potassium & Sodium Oxygen & Silicon
Q.4 Science which deals with the description of rocks __________.
Petrography Petrogenesis Chromatography
Q.5 Water plays an important role in the formation of___________.
Igneous rock Sedimentary rock Metamorphic rock
Q.6 Science which deals with the origin of rocks?
Q.7 When igneous rocks are become metamorphic rocks due to pressure______________.
Hydro metamorphic Thermo metamorphic dynamo metamorphic
Q.8 The parent materials deposited near the base of strong slope by the action of gravity____________.
Lucustrain Colluviums Alluvium
Q.9 The parent materials of sand size transported by the action of wind is called____________.
Eolian Moraine Loess
Q.10 The excavation and destructive action of water on rock and minerals is called____________.
Exfoliation Denudation Chemical weathering
Q.11 The rocks gets broken in pieces due to temperature is called____________.
Chemical weathering Denudation Exfoliation
Q.12 The fourth most abundant element in the earth crust is_______.
Oxygen Iron Aluminum
Q.13 Marble is metamorphic rock converted from lime stone due to the action of _______.
Temperature Pressure Heat
Q.14 The individual grains size in rudaceous sedimentary rock are of_______.
Sand Clay boulders and pebbles
Q.15 The clay fraction of the soil has diameter less than________>
0.002 mm 0.2 mm 0.02 mm
Q.16 The time that nature devotes to the formation of soil is termed as__________.
Periodical table Pedological time Soil stages
Q.17 B1 horizon in the soil profile is also known as__________?
Allivial Eluvial Illuvial
Q.18 Sedimentary rocks are also known as__________.
Metamorphic rock Igneous rock Stratified rock
Q.19 Accumulation of Calcium carbonate in the profile is called __________.
Salinization Solonization Calcification
Q.20 An active soil forming factor is__________.
Climate Parent material Topography
Q.21 An artificially formed soil mass is called___________.
crust clod pad
Q.22 Deep black soil of Gujarat is also known as ____________.
black soil alluvial soil regurs soil
Q.23 The heavy black soils have ____________ soil structure.
columnar crumby platy
Q.24 Two water molecules are held by ________ bond.
Hydrogen ionic covalent
Q.25 The soil having PD 2.50 g/cc and BD 1.25 g/cc will have _____ % porosity.
45 50 55
Number of score out of 25 = Score in percentage =
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