Inside Our Earth Class 7 Quiz Question with Answer
Inside Our Earth Class 7 Quiz Question with Answer. CBSE Class 7 Geography Lesson 2 Mock Test.
Question:- (1) The uppermost layer over the earth’s surface is called the —
(a) Inner care
(b) Outer core
(c) Crust
Answer:- (c) Crust.
Question:- (2) The Oceanic crust mainly consists of silica and magnesium, it is called —
(a) Sial
(b) Sima
(c) Sibi
Answer:- (b) Sima.
Question:- (3) The innermost layer is the core with a radius of about.
(a) 3500km
(b) 3600km
(c) 3700km
(d) 3800km
Answer:- (a) 3500 km
Question:- (4) The innermost layer is mainly made of nickel and iron and is called-
(a) Crust
(b) Inner core
(c) Rock
(d) None of these
Answer:- (c) Rock.
Question:- (6) When the molten magma cools, it becomes solid, rocks thus formed are called
(a) Igneous rocks
(b) Intrusive
(c) Extrusive rocks
(d) Sedimentary rocks
Answer:- (a) Igneous rocks.
Question:- (7) The molten magma cools down deep inside the earth’s crust solid rocks so formed are
(a) Igneous rocks
(b) Intrusive rocks
(c) Extrusive rocks
Answer:- (b) Intrusive.
In case you are missed :- Previous Chapter MCQ Questions
Question:- (8) Which is a example of intrusive igneous rock
(a) Granite
(b) Limestone
(c) Slate
Answer:- (a) Granite.
Question:- (9) Rocks roll down, crack and hit each other and are broken down into small fragment, these smaller particles are
(a) Minerals
(b) Sediments
(c) Rocks
(d) Ore
Answer:- (b) Sediments.
Question:- (10) Which rocks may also contain fossils of plants, animals and other micro-organism that once lived on them
(a) Igneous rocks
(b) Extrusive igneous rocks
(c) Sedimentary rocks
Answer:- (c) Sedimentary rocks.
(c) Sedimentary rocks
Question:- (11) The process of transformation of rock from one to another is known
(a) Mineral
(b) Rock cycle
(c) Mineral cycle
Answer:- (b) Rock cycle.
Question:- (12) Which rocks are broken down into small particles that are transported and deposited to form sedimentary rocks
(a) Igneous rocks
(b) Extrusive igneous rocks
(c) Intrusive rocks
Answer:- (a) Igneous rocks.
Question:- (13) Which are very important to humankind
(a) Rocks
(b) Minerals
(c) Both
(d) None of these
Answer:- (b) Minerals.
(14) Which are not used as fuels.
(a) Natural gas
(b) Petroleum
(c) Gold
(d) Coal
Answer:- (c) Gold.
In case you are missed :- Next Chapter MCQ Questions
