Test your knowledge of stones, soil and igneous rocks, science, conservation, formation, types, erosion, pollution, science with this quiz.
Which one of the following practices is adopted for restoring the fertility of the soil?
(a) Weeding
(b) Leveling
(c) Fallowing
(d) Harrowing
Sandstone is a ___
(a) Intrusive Igneous rock
(b) Metamorphic rock
(c) Extrusive Igneous rock
(d) Sedimentary rock
Soil factors are otherwise known as:
(a) Edaphic factors
(b) Biotic factors
(c) Physiographic factors
(d) Climatic factors
The water potential of soil solution in common soil is
(a) –1 to –3 bars
(b) 1 to 3 bars
(c) –0.1 to –0.3 bars
(d) 0.1 to 0.3 bars
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Laterite soils are found in area where–
(a) normal temperature and rain fall is less
(b) temperature is high and rainfall is heavy
(c) temperature is low and rainfall is nominal
(d) temperature is high and rainfall is normal
Dolomite is a/an
(a) Sedimentary rock
(b) Plutonic rock
(c) Igneous rock
(d) Metamorphic rock
What is the process of wearing away of the Earth’s surface called?
(a) Erosion
(b) Deposition
(c) Sedimentation
(d) No option is correct
The soils which are rich in Calcium are known as
(a) Pedocals
(b) Pedalfers
(c) Podsols
(d) Laterites
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Which one of the following does not cause soil erosion?
(a) Deflation
(b) Deforestation
(c) Weathering
(d) Overcropping
The soil which originate under tall-grass prairie vegetation is called
(a) Black soils
(b) Chestnut soils
(c) Chernozem soils
(d) Terra rosa soils
Alluvial soils are rich soil for crop cultivation but are poor in
(a) humus
(b) nitrogen and humus
(c) organic material
(d) inorganic material
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Marble is a _
(a) Intrusive Igneous rock
(b) Metamorphic rock
(c) Extrusive Igneous
(d) Sedimentary rock
Salination of soil is caused by
(a) pesticides
(b) soil erosion
(c) excess irrigation
(d) crop rotation
Which one of the following does not cause soil erosion ?
(a) Deflation
(b) Deforestation
(c) Weathering
(d) Over cropping
Roots absorb water and __ from the soil
(a) Minerals
(b) Proteins
(c) Carbohydrate
(d) Fat
In dry regions, soil erosion is checked by :
(a) Shelter belts
(b) Strip cropping
(c) Plugging of gullies
(d) Contour ploughing
Which of the following is an example of Plutonic Igneous Rock?
(a) Basalt
(b) Granite
(c) Slate
(d) Dolomite
Which one of the following is igneous rock?
(a) Limestone
(b) Granite
(c) Marble
(d) Slate
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Watermelons grow best in
(a) Alluvial soil
(b) Sandy soil
(c) Black soil
(d) Laterite soil
In a desert region, soil erosion can be checked by
(a) Tree plantation / afforestation
(b) Crop rotation
(c) Contour ploughing
(d) Using farm manure
Limestone is
(a) Intrusive Igneous rocks
(b) Metamorphic racks
(c) Extrusive Igneous rocks
(d) Sedimentary rocks
Soil formation is controlled by:
(a) Time
(b) Organism in the soil
(c) Neither (a) & (b)
(d) both (a) & (b)
Which of the following soils is suitable for the production of cotton?
(a) Laterite soil
(b) Red soil
(c) Black soil
(d) Alluvial soil
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In a desert region, soil erosion can be checked by
(a) Tree plantation / afforestation
(b) Crop rotation
(c) Contour ploughing
(d) Using farm manure
Shale is metarroposed into which of the following rocks?
(a) Graphite
(b) Gneiss
(c) Marble
(d) Slate
Limestone is found in :
(a) Sedimentary rocks
(b) Metamorphic rocks
(c) Igneous rocks
(d) Place deposits
How do forests certainly help the soil from being washed away or eroded?
(a) By the roots of trees in forests that bind the soil
(b) By maintaining a steady supply of water
(c) By maintaining the water table
(d) None of these
Soil formed by leaching and oxidation is
(a) Black soil
(b) Laterite soil
(c) Red soil
(d) Montane soil
The color of loamy soil is
(a) Greenish brown
(b) Bluish green
(c) Yellowish brown
(d) Blackish brown
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Ques. Which one of the following is a sedimentary rock?
(a) Granite
(b) Charnockite
(c) Basalt
(d) Arkose
The soil which originates under tall-grass prairie vegetation is called
(a) Black soil
(b) Chestnut soil
(c) Chernozem soil
(d) Terra rosa soil
Sweeping away fertile topsoil by wind or water is __
(a) siltation
(b) landslide
(c) soil erosion
(d) leaching
Mountain soil contains a lot of
(a) humus
(a) clay
(a) coasse material
(d) iron and aluminum salt
Which of the following is the unit of Soil Erosion?
(a) Kg/sq.m
(b) Kg/ml
(c) KN/m
(d) lbf/ft
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Which one is not an example of sedimentary rock?
(a) sandstone
(b) limestone
(c) shale
(d) slate
Marble is the metamorphosed form of
(a) Shale
(b) Basalt
(c) Sandstone
(d) Limestone
The soil with poorest water holding capacity is
(a) Clay
(b) Loam
(b) Sandy
(d) None of the above
Which of the crops is best suited for black soil?
(a) Wheat
(b) Paddy
(c) Cotton
(d) Jute
Which of the following is an important limiting factor for nitrification in the soil?
(a) Temperature
(b) Light
(c) Soil reaction (PH)
(d) Moisture
Formation of soil takes place by
(a) Weathering
(b) Pedogenesis
(c) Melting
(d) Both A and B
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The transfer of minerals from top soil to sub soil through soil water is called
(a) Transpiration
(b) Conduction
(c) Percolation
(d) Leaching
Metamorphic rocks originate from—
(a) igneous rocks
(b) sedimentary rocks
(c) both igneous and sedimentary rocks
(d) None of these