CBSE Class 11 Geography Minerals and Rocks MCQs

Question :  Tension causes ocean bed to
(a) merge
(b) open apart
(c) diverge
(d) converge

Answer : B

Question :  Coals and petroleum found in _________ types of rocks.
(a) Granite rock
(b) Igneous rock
(c) Metamorphic rock
(d) Sedimentary rock.

Answer : D

Question :  Which one of these is present in granite rock?
(a) Amethyst
(b) Garnet
(c) Malachite
(d) Ruby

Answer : B

Question :  The parent material of soils is derived from
(a) Igneous rocks
(b) Metamorphic rocks
(c) Sedimentary rocks
(d) Biological action

Answer : C

Question :   Bowl-shaped depression is also called as –
(a) Glacial trough
(b) Cirque
(c) Waki
(d) Barchan

Answer : B

Question :  Quartz sandstone is a
(a) sedimentary rock
(b) igneous rock
(c) foliated metamorphic rock
(d) nonfoliated metamorphic rock

Answer : A

Question :  A mineral made of atoms of simple element is
(a) sand
(b) quartz
(c) gold
(d) clay

Answer : B

Question :  The process of metamorphism in which the size or composition of mineral changes is known as
(a) crystallization
(b) decrystallization
(c) recrystallization
(d) precrystallization

Answer : C

Question :  Clastic sedimentary rock is classified on the basis of
(a) its size
(b) its shape
(c) size of its fragments
(d) shape of its fragments

Answer : C

Question :  Other than limestone, another organic sedimentary rock is
(a) cement
(b) concrete
(c) coal
(d) crater

Answer : C

Question :  What the molten rock is known when it stays under the surface of earth?
(a) Lava
(b) Magma
(c) Basalt
(d) Ignite

Answer : B

Question :  When clay minerals change into mica minerals, the shale becomes foliated metamorphic rock known as
(a) Phyletic
(b) Schist
(c) Gneiss
(d) Slate

Answer : D

Question :  Which one of the following are the hardest minerals?
(a) Topaz
(b) Diamond
(c) Quartz
(d) Feldspar

Answer : B

Question :  Limestone is generally formed from fossil fuels or remains of animals and plants, so limestone fall in the class of
(a) Clastic Sedimentary Rock
(b) Chemical Sedimentary Rock
(c) Organic Sedimentary Rock
(d) Inorganic Sedimentary Rock

Answer : C

Question :  The main source of formation of igneous rocks is
(a) mountains
(b) hills
(c) ocean beds
(d) volcanoes

Answer : D

Question :   How the Himalayas are formed?
(a)  due to pressure of two large landform.
(b)  due to weakness of the earth crust
(c)  due to folding of the earth crust.
(d)  due to folding of the geosyncline named Tethys.

Answer : D

Question :  After change in minerals due to heat and pressure, the rock turns into
(a) intrusive igneous rock
(b) extrusive igneous rock
(c) metamorphic rock
(d) sedimentary rock

Answer : C

Question :  Taj Mahal is made up of
(a) white granite
(b) calcium carbonate
(c) sandstone
(d) slate

Answer : B

Question :   Which is the principle cause of exposure of rock to the changes in temperature?
(a)  Mechanical weathering
(b)  Chemical weathering
(c)  Biological weathering
(d)  Mortification weathering

Answer : B

Question :  Nonfoliated metamorphic rocks are generally made up of
(a) hundreds of minerals
(b) thousands of minerals
(c) one or only a few minerals
(d) all minerals present in the crust

Answer : C

Question :  The textures a clastic sedimentary rock can have are
(a) fine-grained texture
(b) medium-grained and hard-grained texture
(c) coarse-grained and fine-grained texture
(d) fine-grained, medium-grained and hard-grained texture

Answer : D

Question :  The greatest change takes place when magma
(a) directly hits the rocks
(b) cools over the rocks
(c) exerts more pressure on rocks
(d) releases more heat on the rocks

Answer : A

Question :  The earth crust is made up of
(a) rocks
(b) mineral
(c) silicon and aluminium
(d) all the above

Answer : D

Question :  Wadi a kind of valley has occurred
(a)  at hot desert with occasional heavy rainfall.
(b)  at high mountain range where precipitation is high.
(c)  at the beach where enough sand exists.
(d)  at the polar region when ice starts to melt.

Answer : A

Question :  Index minerals are used to estimate the depth, temperature and pressure at which rock undergoes
(a) sediments
(b) metamorphism
(c) igneousism
(d) extrusism

Answer : B

Question :  If metamorphism continues, schist turns into rock with district bands known as
(a) Garnet
(b) Schist
(c) Slate
(d) Gneiss

Answer : D

Question :  When magma cools and solidifies, the rocks formed are
(a) igneous
(b) metamorphic
(c) sedimentary
(d) metamorphic and sedimentary

Answer : A

Question :  The number of types of metamorphism are
(a) two
(b) three
(c) four
(d) five

Answer : A

Question :   Minerals make up
(a) rocks
(b) elements
(c) substances
(d) metallurgy

Answer : A

Question :  Rocks formed from dissolved minerals and water are known as
(a) Clastic Sedimentary Rock
(b) Chemical Sedimentary Rock
(c) Organic Sedimentary Rock
(d) Inorganic Sedimentary Rock

Answer : B

Question :   Which of the following condition is most ideal for chemical weathering?
(a)  Cold and dry
(b)  Cold and humid
(c)  Hot and dry
(d)  hot and humid

Answer : D

Question :  Sedimentary rock can have
(a) three types of textures
(b) two types of textures
(c) one type of texture only
(d) four types of textures

Answer : A

Question :  The kind, size and color of a sediment differs the sedimentary rock's
(a) Composition
(b) Strata
(c) Texture
(d) Formation

Answer : B

Question :  The type of texture of an igneous rock depends on
(a) its material
(b) its size
(c) its roughness
(d) time taken for magma to cool down

Answer : D

Question :  Due to erosion, the sediment is deposited in
(a) parts
(b) layers
(c) pieces
(d) powder

Answer : B

Question :  The huge pressure can cause grains to
(a) align themselves
(b) expand themselves
(c) shrink themselves
(d) break themselves

Answer : A

 Question :  Intrusive Igneous Rocks are named based on their
(a) size and color
(b) texture and shape
(c) color and shape
(d) size and shape

Answer : D

Question : The rock formed by the cooling of magma under the surface of earth is
(a) basalt
(b) granite
(c) limestone
(d) haematite

Answer : B

Question :  The types of texture of metamorphic rocks could be
(a) two
(b) three
(c) four
(d) five

Answer : A

Question :  When limestone undergoes metamorphism, it turns into
(a) calcite
(b) bauxite
(c) biotite mica
(d) marble

Answer : D

Question :  The size of particle in coarse-grained texture is
(a) more than 2mm
(b) more than 10mm
(c) less than 8mm
(d) less than 2mm

Answer : A

Question :  Rocks that were originally either sedimentary, igneous, or metamorphic and have been changed further by heat and pressure are called:
(a) Volcanic
(b) Sedimented
(c) Metamorphic
(d) None of the above

Answer : C

Question :  An example of index minerals could be
(a) calcite
(b) hematite
(c) quartz
(d) sillimanite

Answer : D

Question :  The process by which new rocks are formed from old rocks is known as
(a) rock cycle
(b) rock regeneration
(c) rock rebirth
(d) rock rebuilding

Answer : A

Question :  The texture of metamorphic rocks in which grains are arranged in bands or planes is called
(a) foliated texture
(b) nonfoliated texture
(c) unfoliated texture
(d) molded texture

Answer : A

Question :  Large movements under the crust cause additional pressure to be exerted on a rock during
(a) sediments
(b) metamorphism
(c) igneuosism
(d) extrusome

Answer : B

Question :  Scientists divide rocks into
(a) three classes
(b) six classes
(c) seven classes
(d) two classes

Answer : A

Question : When pressure builds up over the rocks buried under Earth's crust, these rocks collide with one another. This collision causes
(a) Regional metamorphism
(b) Critical metamorphism
(c) Contact metamorphism
(d) Parallel metamorphism

Answer : A