Q.1 The attraction of solid surface for water molecules is called as_________.
Adhesion Cohesion Flocculation Plasticity
Q.2 The best agricultural soil structure is__________.
Crumb Platy Columnar Bloky
Q.3 If igneous rock contains more than 65 per cent silica it is called as_________.
Acidic Intermediate Basic Ultrabasic
Q.4 The soil having more than 30% organic matter is placed in_________.
Oxisols Aridisols Histosols Alfisols
Q.5 The example of 2 : 2 type silicate clay mineral is________.
Chlorite Kaolinite Montmorillonite Vermiculite
Q.6 The process of desilication is known as_______.
Laterization Podzolization Salinization Humification
Q.7 The main centre of NBSS & LUP is located at_________.
Palanpur Nagpur Kanpur Jodhpur
Q.8 The element N is not found in__________.
Atmosphere Hydrosphere Lithosphere Planets
Q.9 The metamorphic rock formed due to action of high pressure is known as_________.
Dynamo metamorphic Thermo metamorphic Hydro metamorphic None of these
Q.10 The progressive accumulation of Na+ ion on exchange complex is called as___________.
Salinization Calcification Alkalization Gleization
Q.11 The soils formed in high rainfall area are___________.
Acidic Basic Alkaline Saline
Q.12 Horizon B2 is also known as______________.
Illuvial horizon Eluvial horizon Solum Transition horizon
Q.13 Hematite is converted to limonite by the process of___________.
Hydration Hydrolysis Oxidation Carbonation
Q.14 Name of phosphorus supplying mineral is___________.
Quartz Apatite Feldspar Calcite
Q.15 The horizon A + B are collectively called as __________.
Solum Regolith Organic Illuvial
Q.16 The order of desert soil is___________.
Entisoils Aridisols Vertisols Inceptisols
Q.17 The best agricultural texture is__________.
Loam Sand Silt Clay
Q.18 The water retained by air dried soils is considered as________.
Gravitational Hygroscopic Capillary Free
Q.19 Natural soil aggregates are known as_________.
Peds Clods Floccules None of these
Q.20 Soil pH is a measure of____________.
Active acidity Reserve acidity Exchange acidity None of these
Q.21 Infiltration rate is relatively higher in_________.
Sandy soil Clay loam soil Silty soil Clayey soil
Q.22 Widely accepted fixed value of particle density is____________.
1.5 g/cc 2.65 g/cc 2.29 g/cc 1.65 g/cc
Q.23 Solution whose strength or concentration is accurately known is termed as___________.
Normal solution Concentrate solution Standard solution solvent
Q.24 Study of origin, classification, morphology of soil is known as_____________.
Pedology Edaphology Soil physics Physical chemistry
Q.25 Solution which contains one gram eq. wt. of substance dissolved in one lit. of solution is known as_____.
Molar solution Normal solution Molal solution Standard solution
Number of score out of 25 = Score in percentage =
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