Class 07 Social Science Inside Our Earth CBSE Questions & Answers

Class 7 · Social Science Inside Our Earth

This is Social Science class 07 Social Science Inside our Earth CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Greek word metamorphose meaning
  • A
    Fire
  • B
    Change of form
    Correct
  • C
    Damage
  • D
    Settle down
2
___ is actually fiery red molten ____ coming out from the interior of the earth on its surface
  • A
    Fire, Magma
  • B
    Lava, Fire
  • C
    Magma, Fire
  • D
    Lava, Magma
    Correct
3
When this molten lava comes on the earth?s surface, it rapidly cools down and becomes solid. Rocks formed in such a way on the crust are called
  • A
    Extrusive igneous rocks
    Correct
  • B
    Intrusive igneous rocks
  • C
    Metamorphic rocks
  • D
    Extrusive sedimentary rocks
4
Deccan plateau is made up of
  • A
    Alumina rocks
  • B
    Graphite rocks
  • C
    Basalt rocks
    Correct
  • D
    Nickel rocks
5
Grinding stones used to prepare paste/powder of spices and grains are made of
  • A
    Granite
    Correct
  • B
    Ferrous
  • C
    Basalt
  • D
    Silica
6
Which of the following is false regarding sedimentary rocks
  • A
    These rocks may also contain fossils of plants, animals and other microorganisms that once lived on them.
  • B
    Molten magma cools down deep inside the earth?s crust.
    Correct
  • C
    Rocks roll down, crack, and hit each other and are broken down into small fragments. These smaller particles are called sediments.
  • D
    Sediments are transported and deposited by wind, water, etc. These loose sediments are compressed and hardened to form layers of rocks.
7
_______ rocks can change into _____ rocks under great heat and pressure
  • A
    Igneous, Sedimentary
  • B
    Igneous and Sedimentary, Metamorphic
    Correct
  • C
    Metamorphic and Sedimentary, Igneous
  • D
    Metamorphic, Igneous
8
One type of rock changes to another type under certain conditions in a cyclic manner. This process of transformation of the rock from one to another is known as the
  • A
    Sand cycle
  • B
    Rock cycle
    Correct
  • C
    Water cycle
  • D
    Stone cycle
9
Identify the type of rock on the following figure
Question 9 figure 1
  • A
    Material Rocks
  • B
    Sedimentary Rocks
    Correct
  • C
    Metamorphic Rocks
  • D
    Igneous Rocks
10
Rocks which contains fossils are
  • A
    Sial
  • B
    Metamorphic
  • C
    Sedimentary
  • D
    Igneous
    Correct
11
Why we cannot go to the centre of the earth
  • A
    It has very high temperature and pressure
    Correct
  • B
    It is made up of silicon and ferrous
  • C
    It has no land only contain water
  • D
    It is made up gasses
12
How lime stone is changed into marble
  • A
    By putting the limestone in fire it change into marble
  • B
    Under water the limestone change into marble
  • C
    When limestone is broken by hammer it change into marble
  • D
    Under great heat and pressure the limestone change into marble
    Correct
13
Match the following Terms(a) Ignis(b) Sedimentus(c) MetamorphiseMeaning (1) Change of form (2) Fire(3) Settle down
  • A
    (a)-(1), (b)-(2),(c)-(3)
  • B
    (a)-(2), (b)-(1),(c)-(3)
  • C
    (a)-(3), (b)-(1),(c)-(2)
  • D
    (a)-(2), (b)-(3),(c)-(1)
    Correct
14
Which of the following is true regarding Rocks
  • A
    It has definite chemical compositions
  • B
    It contain ore
  • C
    It is an aggregate of minerals
    Correct
  • D
    It is innermost layer of the earth
15
Igneous rocks have
  • A
    Fossils of plants
  • B
    Fossils of animals
  • C
    Pure minerals
    Correct
  • D
    Stone particles