Q 1 – Where is the deepest mine in the world located?
(a) South America
(b) South Africa
(c) South India
(d) South Australia
Ans. (b) South Africa
Q 2 – The depth of the deepest mine in South Africa is
(a) one km
(b) two km
(c) three km
(d) four km
Ans. (d) four km
Q 3 – The upper most layer of the earth’s surface is called
(a) the crust
(b) the brust
(c) the roads
(d) the forest
Ans. (a) the crust
Q 4 – What is the radius of the earth?
(a) 3671 km
(b) 7163 km
(c) 6371 km
(d) 1736 km
Ans. (c) 6371 km
Q 5 – Any natural mass of mineral matter that makes up the earth’s crust is called a
(a) rock
(b) road
(c) sediment
(d) none of these
Ans. (a) rock
Q 6 – The sediments are transported and deposited by
(a) wind
(b) water
(c) wind and water
(d) none of these
Ans. (c) wind and water
Q 7 – The process of transformation of the rock from one form to another is known as
(a) road cycle
(b) food cycle
(c) rock cycle
(d) all of these
Ans. (c) rock cycle
Q 8 – Which rock is the molten magma made up of?
(a) Igneous
(b) Metamorphic
(c) Sedimentary
(d) None of these
Ans. (a) Igneous
Q 9 – What is the latin term of Igneous?
(a) Ignis
(b) Sedimentum
(c) Metamorphose
(d) None of these
Ans. (a) Ignis
Q 10 – Rocks which contain fossils are called
(a) metamorphic rocks
(b) igneous rocks
(c) core
(d) sedimentary rocks
Ans. (d) sedimentary rocks
Q 11 – ______ minerals are found in the continental masses
(a) Silica and alumina
(b) Silica and magnesium
(c) Nickel and iron
(d) Silica and iron
Ans. (a) Silica and alumina
Q 12 – There are three major types of rocks except
(a) Metamorphic rocks
(b) Sedimentary rocks
(c) Igneous rocks
(d) Mantle rocks
Ans. (d) Mantle rocks
Q 13 – Which type of rocks is called primary rocks
(a) Fossils
(b) Igneous
(c) Metamorphic
(d) Sedimentary
Ans. (b) Igneous
Q 14 – When magma from deep below forces its way up to earths surface, it is called
(a) Sand
(b) Marble
(c) Sediments
(d) Volcano
Ans. (d) Volcano
Q 15 – Sandstone is made from
(a) Grains of soil
(b) Grains of plants
(c) Grains of water
(d) Grains of sand
Ans. (d) Grains of sand
Q 16 – The Taj Mahal is made of
(a) White marble
(b) Black marble
(c) Red marble
(d) Yellow marble
Ans. (a) White marble
Q 17 – Fossils are the remains of dead _______
(a) Plants
(b) Animals
(c) Both a and b
(d) None of the above
Ans. (c) Both a and b
Q 18 – Lithosphere is
(a) Mantle
(b) Magma
(c) Core
(d) Crust
Ans. (d) Crust
Q 19 – _______ rocks are hard where ________ rocks are soft.
(a) sedimentary, lava
(b) sedimentary, magma
(c) sedimentary, igneous
(d) igneous, sedimentary
Ans. (d) igneous, sedimentary
Q 20 – The innermost layer of the earth is
(a) Mantle
(b) Sima
(c) Crust
(d) Core
Ans. (d) Core
Q 21 – What happens when igneous and sedimentary rocks go under heat and pressure
(a) They change into graphite
(b) They change into fossils
(c) They change into metamorphic rocks
(d) They change into minerals
Ans. (c) They change into metamorphic rocks
Q 22 – Silica and magnesium are the constituents of
(a) Rock
(b) Inner Core
(c) Outer Core
(d) Mantle
Ans. (d) Mantle
Q 23 – Rocks roll down, crack, and hit each other and are broken down into small fragments. These smaller particles are called
(a) Sediments
(b) Sand
(c) Piece
(d) Units
Ans. (a) Sediments
Q 24 – Thinnest layer of the earth is
(a) Crust
(b) Nife
(c) Core
(d) Mantle
Ans. (a) Crust
Q 25 – The main mineral constituents of the continental mass are
(a) Silica and alcohol
(b) Silver and alcohol
(c) Silver and alumina
(d) Silica and alumina
Ans. (d) Silica and alumina
Q 26 – Like an onion, the Earth is made up of several concentric layers (one inside the other). What is the uppermost layer of Earth called?
(a) Mantle
(b) Core
(c) Crust
(d) Magma
Ans. (c) Crust
Q 27 – The remains of the dead plants and animals trapped in the layers of rocks are called
(a) Rocks
(b) Conventional
(c) Fossils
(d) Minerals
Ans. (c) Fossils
Q 28 – Which layer is having a radius of about 3500 km
(a) Sial
(b) Crust
(c) Outer core
(d) Mantle
Ans. (c) Outer core
Q 29 – The molten magma cools down deep inside the earth’s crust. Solid rocks so formed are called
(a) Intrusive Sedimentary rocks
(b) Intrusive Metamorphic rocks
(c) Extrusive igneous rocks
(d) Intrusive igneous rocks
Ans. (d) Intrusive igneous rocks
Q 30 – Red fort is made up of
(a) Red sandstone
(b) Black sandstone
(c) Red marble
(d) Black marble
Ans. (a) Red sandstone