Igneous and Sedimentary Rocks: Composition and Formation Quiz

Question 1

Igneous rocks are formed by the freezing of _____.

Accepted Answer

Molten rock material (magma)

Answer

Water and air

Answer

Chemical liquids

Answer

Soil and sand

Question 2

Igneous rocks are also called _____ rocks because they form first in the origin of Earth's surface.

Accepted Answer

Primary

Answer

Tertiary

Answer

Secondary

Answer

Quaternary

Question 3

When lava from volcanic eruption cools and solidifies on the surface, it is called _____ or volcanic rock.

Accepted Answer

Extrusive

Answer

Sedimentary

Answer

Metamorphic

Answer

Intrusive

Question 4

When magma cools and solidifies inside the ground before reaching the surface, it is called _____ rock.

Accepted Answer

Intrusive

Answer

Metamorphic

Answer

Extrusive

Answer

Sedimentary

Question 5

About _____ % of igneous and metamorphic rocks are found in the upper 16 kilometers of Earth's crust.

Accepted Answer

90-95

Answer

50-60

Answer

70-75

Answer

30-40

Question 6

_____ found in Jharkhand, India is found in igneous rocks.

Accepted Answer

Mica

Answer

Limestone

Answer

Salt

Answer

Coal

Question 7

Black soil is formed by the breakdown of _____ rock.

Accepted Answer

Basalt

Answer

Granite

Answer

Marble

Answer

Sandstone

Question 8

Sedimentary rocks are formed by small rock fragments that are _____ in a place by natural factors.

Accepted Answer

Deposited

Answer

Melted

Answer

Exploded

Answer

Transformed

Question 9

Fossils of _____ and fauna are found in large quantities in sedimentary rocks.

Accepted Answer

Flora

Answer

Metals

Answer

Minerals

Answer

Water

Question 10

_____ oil is found in sedimentary rocks.

Accepted Answer

Mineral

Answer

Animal

Answer

Marine

Answer

Vegetable

Igneous and Sedimentary Rocks: Composition and Formation

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