Minerals and Rocks For Class 11 Geography MCQ Questions

Q 1 – What is the percentage of oxygen in the earth’s crust by weight?

(a) 46.60%

(b) 27.72%

(c) 8.13%

(d) 5.00%

(a) 46.60%.

Q 2 – What is the basic source of all minerals in the earth’s crust?

(a) upper surface

(b) magma

(c) crust

 (d) none of them

(b) magma.

Q 3 – Which one is the most important component of Quartz?

(a) sand

(b) granite

(c) both of them

(d) none of them

(c) both of them

Q 4 – Which one is not the component of pyroxenes?

(a) calcium

(b) magnesium

(c) iron

(d) granite

(d) granite

Q 5 – Which are the major elements of Olivine?

(a) iron

(b) silica

(c) magnesium

(d) all of them

(d) all of them.

Q 6 – Which one is the metallic mineral?

(a) silica

(b) carbon

(c) oxygen

(d) gold

(d) gold.

Q 7 – Out of these which do not contain the metal content?

(a) sulphur

(b) nitrates

(c) phosphates

(d) all of them

(d) all of them.

Q 8 – The science of rocks is known as

(a) Geology

(b) Zoology

(c) Petrology

(d) none of them

(c) Petrology.

Q 9 – The rocks which are formed from solidified magma and lava are known as

(a) Sedimentary

(b) Igneous

(c) Sand rocks

(d) Metamorphic

(b) Igneous.x

Q 10 – What kind of rocks are formed by the deposition/cementation of the fragments?

(a) Sedimentary

(b) Igneous

(c) Pegmatitic

(d) Metamorphic

 (a) Sedimentary.

Q 11 – Which are the hoarse grained rocks with wide range of composition?

(a) Pegmatitic granite

(b) Pegmatitic diorite

(c) both of them

(d) none of them

(c) both of them.

Q 12 – Granite is a type of rock:

(a) Granetoid

(b) Pegmatitic

(c) Glassy

(d) Aphantic

(a) Granetoid.

Q 13 – Which one is the type of extrusive rock?

(a) Granetoid

(b) Glassy

(c) Fragmental

(d) Aphantic

(c) Fragmental

Q 14 – Deposition cementation of the fragments by external agencies is known as

(a) Sedimentation

(b) Metamorphism

(c) Lithification

(d) none of these

(a) Sedimentation.

Q 15 – Which kind of rocks are formed by the active participation of animals and plant secretions?

(a) Siliceous rocks

(b) Sand rocks

(c) Fragmental rocks

(d) Glassy rocks

(a) Siliceous rocks.

Q 16 – Which kind of rocks are formed by the compressed and altered vegetable matters containing large amount of carbon?

(a) Peat

(b) Sand rocks

(c) Fragment

(d) Glassy

(a) Peat.

Q 17 – What is formed by the deposition from concentrated solution of brines?

 (a) Salts

(b) Peat

(c) Limestone

(d) Sand

(a) Salts.

Q 18 – Name the type of rocks in which original grains get rearranged into more or less perfect bands or layers.

(a) Salts

(b) Foliated

(c) Calcareous

(d) Granite

(b) Foliated.

Q 19 – Which one is the example of salt rock?

(a) Halite

(b) Gypsum

 (c) Potash

(d) all of them

(d) all of them.

Q 20 – When rocks are forced down to lower levels by tectonic processes, the process is known as

(a) Sedimentation

(b) Metamorphism

(c) none of them

(d) both of them

(b) Metamorphism

Q 21 – Metamorphic rocks are classified in…………. major groups.

(a) two

(b) three

(c) five

(d) six

 (a) two

Q 22 – Which group belongs to metamorphic rocks?

(a) Foliated

(b) Non-foliated

(c) both of them

(d) none of them

(c) both of them.

Q 23 – Salts and phyllites are……………. rocks. ‘

(a) Foliated

 (b) Non-foliated

(c) none of them

(d) both of them

(a) Foliated.

Q 24 – Which one is the example of Non-foliated rocks?

(a) Marble

(b) Schists

(c) Salts

(d) Phyllites

(a) Marble.

Q 25 – Serpentine is a type of rocks.

(a) Foliated

(b) Non-foliated

(c) Salts

(d) Aphantic

(b) Non-foliated.

Q 26 – The process through which the rocks are transformed into new ones is known as?

(a) Rock cycle

(b) Metamorphism

(c) Sedimentation

(d) none of them

(a) Rock cycle.

Q 27 – Which of the following is not among the eight elements?
(a) Oxygen and Silicon
(b) Aluminium and Iron
(c) Calcium and Sodium
(d) Mica and Granite

(d) Mica and Granite

Q 28 – Which of the following is not an example of metamorphic rocks?
(a) Slate
(b) Marble
(c) Limestone
(d) Schist

(c) Limestone

Q 29 – Which mineral group is abundantly found in the earth’s crust?
(a) Mica group
(b) Felspar group
(c) Oxide group
(d) Silicate group

(b) Felspar group

Q 30 – Which one of the following is the salient feature of metamorphic rocks?
(a) Changeable
(b) Quite
(c) Crystalline
(d) Foliation

(a) Changeable

Q 31 – Which one of the following are the hardest minerals?
(a) Topaz
(b) Diamond
(c) Quartz
(d) Feldspar

(b) Diamond

Q 32 – Which of the following is a ferrous mineral?
(a) Copper
(b) Aluminium
(c) Iron Ore
(d) Tin

 (c) Iron Ore

Q 33 – A non-metallic mineral in the following minerals is
(a) silver
(b) copper
(c) zinc
(d) coal

(d) coal

Q 34 – Igneous rocks are
(a) primary rocks
(b) secondary rocks
(c) tertiary rocks
(d) soft rocks

(a) primary rocks

Q 35 – Which one of the following is the component of sand and granite?
(a) Amphibole
(b) Quartz
(c) Pyroxene
(d) Mica

(b) Quartz

Q 36 – The most abundant rocks found on the earth’s crust are
(a) igneous rocks
(b) sedimentary rocks
(c) metamorphic rocks
(d) granite rock

(a) igneous rocks

Q 37 – 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

(c) Metamorphic

Q 38 – Which one of the following is not a sedimentary rock?
(a) Tillite
(b) Borax
(c) Breccia
(d) Marble

(d) Marble