Interior of Earth Class 9 GK MCQ Question and Answers. Important MCQ on Interior of Earth Subject.
Interior of Earth Class 9 GK MCQ
(01) The upper most layer of the earth’s surface is called?
(a) The Brust
(b) The Crust
(c) The Forest
(d) The Climate
Ans.: – (b) The Crust
(02) What is the radius of the earth is?
(a) 1736 km
(b) 3671 km
(c) 6371 km
(d) 7163 km
Ans.: – (c) 6371 km
(03) Any natural mass of mineral matter that maker up the earth’s crust is called?
(a) Sea face
(b) Sediment
(c) Road
(d) Rock
Ans.: – (d) Rock
(04) The sediments are transported and deposited by whom?
(a) Wind
(b) Water
(c) Wind and Water
(d) Natural calamities
Ans.: – (c) Wind and Water
(05) The process of transformation of the rock from one from to another is known what?
(a) Natural cycle
(b) Rock cycle
(c) Climate cycle
(d) All of these
Ans.: – (b) Rock cycle
(06) Rocks which contain fossils are called?
(a) Core
(b) Igneous rocks
(c) Sedimentary rocks
(d) Metamorphic rocks
Ans.: – (c) Sedimentary rocks
(07) What is meaning of igneous?
(a) Air
(b) Fire
(c) Lime
(d) Water
Ans.: – (b) Fire
(08) What are the uses of rocks?
(a) Building materials
(b) Source of metals
(c) Both (a) and (b)
(d) None of these
Ans.: – (c) Both (a) and (b)
(09) What are the layers of the earth?
(a) Crust
(b) Mantle
(c) Core
(d) All the above
Ans.: – (d) All the above
(10) Which is a direct source of information about the interior of the earth?
(a) Gravitation
(b) Magnetic field
(c) Seismic activity
(d) Volcanic eruption
Ans.: – (d) Volcanic eruption
(11) Which is the indirect source to study the interior of the earth?
(a) Drilling projects
(b) Gravitation force
(c) Volcanic eruption
(d) Ocean integrated drilling project
Ans.: – (b) Gravitation force
(12) Which of the following layer of the earth is termed as Sial?
(a) Core
(b) Mantle
(c) Oceanic Crust
(d) Continental Crust
Ans.: – (d) Continental Crust
(13) What is the mean density of material in Oceanic crust?
(a) 1g/cm3
(b) 3g/cm3
(c) 2.7g/cm3
(d) 3.8g/cm3
Ans.: – (c) 2.7g/cm3
(14) The middle layer of the earth is called?
(a) Core
(b) Crust
(c) Mantle
(d) None of these
Ans.: – (c) Mantle
(15) What is the approximate depth of mantle is?
(a) 3500 km
(b) 3200 km
(c) 3000 km
(d) 2900 km
Ans.: – (d) 2900 km
(16) Which layer is known as most dense or NiFe layer of earth?
(a) Crust
(b) Core
(c) Mantle
(d) All of these
Ans.: – (b) Core
(17) The uppermost part of the mantle and crust are together called the?
(a) Lithosphere
(b) Exosphere
(c) Hydrosphere
(d) Atmosphere
Ans.: – (a) Lithosphere
(18) The upper part of the mantle upon which the crust of the Earth floats is called?
(a) Atmosphere
(b) Barysphere
(c) Asthenosphere
(d) None of these
Ans.: – (c) Asthenosphere
(19) What is the most abundant element in earth crust?
(a) Iron
(b) Oxygen
(c) Nitrogen
(d) Silicon
Ans.: – (b) Oxygen
(20) The most abundant metal in the earth’s crust is?
(a) Gold
(b) Calcium
(c) Oxygen
(d) Aluminum
Ans.: – (d) Aluminum