Class 7  >  NCERT Textbooks (Class 6 to Class 12)  >  Important Questions: Inside Our Earth Download as PDF

Important Questions: Inside Our Earth


Test Description

20 Questions MCQ Test NCERT Textbooks (Class 6 to Class 12) | Important Questions: Inside Our Earth

Important Questions: Inside Our Earth for Class 7 2022 is part of NCERT Textbooks (Class 6 to Class 12) preparation. The Important Questions: Inside Our Earth questions and answers have been prepared according to the Class 7 exam syllabus.The Important Questions: Inside Our Earth MCQs are made for Class 7 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Important Questions: Inside Our Earth below.
Solutions of Important Questions: Inside Our Earth questions in English are available as part of our NCERT Textbooks (Class 6 to Class 12) for Class 7 & Important Questions: Inside Our Earth solutions in Hindi for NCERT Textbooks (Class 6 to Class 12) course. Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free. Attempt Important Questions: Inside Our Earth | 20 questions in 20 minutes | Mock test for Class 7 preparation | Free important questions MCQ to study NCERT Textbooks (Class 6 to Class 12) for Class 7 Exam | Download free PDF with solutions
1 Crore+ students have signed up on EduRev. Have you?
Important Questions: Inside Our Earth - Question 1

The molten magma cools down deep inside the earth's crust. Solid rocks so formed are called

Detailed Solution for Important Questions: Inside Our Earth - Question 1

When the molten magma cools, it becomes solid. Rocks thus formed are called igneous rocks. They are also called primary rocks. There are two types of igneous rocks: intrusive rocks and extrusive rocks Lava is actually fiery red molten magma coming out from the interior of the earth on its surface. 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 extrusive igneous rocks. They have a very fine grained structure. For example, basalt. The Deccan plateau is made up of basalt rocks. Sometimes the molten magma cools down deep inside the earth’s crust. Solid rocks so formed are called intrusive igneous rocks. Since they cool down slowly they form large grains. Granite is an example of such a rock

Important Questions: Inside Our Earth - Question 2

The remains of the dead plants and animals trapped in the layers of rocks are called

Detailed Solution for Important Questions: Inside Our Earth - Question 2

These types of rocks are called sedimentary rocks. For example, sandstone is made from grains of sand. These rocks may also contain fossils of plants,animals and other micro- organisms that once lived on them. FossilsThe remains of the dead plants and animals trapped in the layers of rocks are called fossils.

Important Questions: Inside Our Earth - Question 3

Red fort is made up of

Detailed Solution for Important Questions: Inside Our Earth - Question 3

Constructed in 1639 by the fifth Mughal Emperor Shah Jahan as the palace of his fortified capital Shahjahanabad, the Red Fort is named for its massive enclosing walls of red sandstone and is adjacent to the older Salimgarh Fort, built by Islam Shah Suri in 1546 AD.

Important Questions: Inside Our Earth - Question 4

Rocks roll down, crack, and hit each other and are broken down into small fragments. These smaller particles are called

Detailed Solution for Important Questions: Inside Our Earth - Question 4

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 extrusive igneous rocks. Rocks roll down, crack, and hit each other and are broken down into small fragments. These smaller particles are called sediments.

Important Questions: Inside Our Earth - Question 5

Like an onion, the Earth is made up of several concentric layers (one inside the other). What is the uppermost layer of Earth called?

Detailed Solution for Important Questions: Inside Our Earth - Question 5

The upper layer of Earth, which includes its thin brittle crust and upper mantle.

Important Questions: Inside Our Earth - Question 6

The Taj Mahal is made of

Detailed Solution for Important Questions: Inside Our Earth - Question 6

An immense mausoleum of white marble, built in Agra between 1631 and 1648 by order of the Mughalemperor Shah Jahan in memory of his favourite wife, the Taj Mahal is the jewel of Muslim art in India and one of the universally admired masterpieces of the world's heritage.

Important Questions: Inside Our Earth - Question 7

What is shown in the given figure 

Detailed Solution for Important Questions: Inside Our Earth - Question 7

Magma is extremely hot liquid and semi-liquid rock located under Earth's surface. ... This magma can push through holes or cracks in the crust, causing a volcanic eruption. When magma flows or erupts onto Earth's surface, it is called lava. Like solid rock, magma is a mixture of minerals.

Important Questions: Inside Our Earth - Question 8

Identify the below mention figure 

Detailed Solution for Important Questions: Inside Our Earth - Question 8

Red Fort is a historic fort in the city of Delhi in India. It was the main residence of the emperors of the Mughal dynasty for nearly 200 years, until 1856. It is located in the centre of Delhi and houses a number of museums.

Important Questions: Inside Our Earth - Question 9

____ are naturally occurring substances which have certain physical properties and definite chemical composition

Detailed Solution for Important Questions: Inside Our Earth - Question 9

A mineral is a naturally occurring, solid that has a definite chemical composition and crystal structure. In order for a substance to be called a mineral, it must have all four of the characteristics described in this definition.

Important Questions: Inside Our Earth - Question 10

Lithosphere is

Detailed Solution for Important Questions: Inside Our Earth - Question 10

Earth's lithosphere includes the crust and the uppermost mantle, which constitute the hard and rigid outer layer of the Earth. The lithosphere is subdivided into tectonic plates.

Important Questions: Inside Our Earth - Question 11

Which rock is made up of molten magma

Detailed Solution for Important Questions: Inside Our Earth - Question 11

Lava is actually fiery red molten magma coming out from the interior of the earth on its surface. 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 extrusive igneous rocks.

Important Questions: Inside Our Earth - Question 12

Following are the example of minerals except

Detailed Solution for Important Questions: Inside Our Earth - Question 12

Basalt is a dark-colored, fine-grained, igneous rock composed mainly of plagioclase and pyroxene minerals. It most commonly forms as an extrusive rock, such as a lava flow, but can also form in small intrusive bodies, such as an igneous dike or a thin sill. It has a composition similar to gabbro.Basalt is not a mineral, because is can not be expressed in a definite chemical equation, nor does it have a definite crystal structure. Basalt is a hard, black volcanic rock with less than about 52 weight percent silica (SiO2). Basalt is erupted at temperatures between 1100 to 1250° C. When basalt is beneath the surface it is called lava, when it is outside the earth's crust, it is basalt. 

Important Questions: Inside Our Earth - Question 13

When magma from deep below forces its way up to earths surface, it is called

Detailed Solution for Important Questions: Inside Our Earth - Question 13

A volcano is an opening in the Earth's crust that allows molten rock, gases, and debris to escape to the surface.Magma is usually studied as lava or igneous rock. But most magma remains molten or partly molten beneath Earth's surface. In fact, magma has only been discovered three times in its “natural” habitat deep in Earth's crust.

Important Questions: Inside Our Earth - Question 14

Limestone is changed into

Detailed Solution for Important Questions: Inside Our Earth - Question 14

Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism. It is composed primarily of the mineral calcite (CaCO3) and usually contains other minerals, such as clay minerals, micas, quartz, pyrite, iron oxides, and graphite.

Important Questions: Inside Our Earth - Question 15

Silica and magnesium are the constituents of

Detailed Solution for Important Questions: Inside Our Earth - Question 15

The mantle is impurities with ores as silica and magnesium are most reactive with oxygen to oxide impurities

Important Questions: Inside Our Earth - Question 16

What happens when igneous and sedimentary rocks go under heat and pressure

Detailed Solution for Important Questions: Inside Our Earth - Question 16

Metamorphic Rocks. The word metamorphic means "of changed form." Metamorphic rocks are rocks that have been changed from one form, such as igneous or sedimentary, to another. This can occur when a given rock is exposed to intense heat, pressure, or hot fluids.

Important Questions: Inside Our Earth - Question 17

Which type of rocks is called primary rocks

Detailed Solution for Important Questions: Inside Our Earth - Question 17

Igneous rocks begin the rock cycle, and are therefore called primary rocks. Two major divisions include volcanic or extrusive rocks that form when magma is ejected from the Earth's crust, and intrusive rocks, which are created below the surface.

Important Questions: Inside Our Earth - Question 18

Identify which of the followings is an example of sedimentary rocks 
(1) Coal 
(2) Marble
(3) Limestone
(4) Graphite 
(5) Slate

Detailed Solution for Important Questions: Inside Our Earth - Question 18

Coal and limestone are a sedimentary rock because as these rocks are found inside the earth  and sedimentary rocks are those that are found by the deposition and subsequent cementation of that material at the earth.

Important Questions: Inside Our Earth - Question 19

How are rocks sediments transported and deposited

Detailed Solution for Important Questions: Inside Our Earth - Question 19

Deposition is the geological process in which sediments, soil and rocks are added to a landform or land mass. Wind, ice, water, and gravity transport previously weathered surface material, which, at the loss of enough kinetic energy in the fluid, is deposited, building up layers of sediment.

Important Questions: Inside Our Earth - Question 20

____ rocks are hard where ____ rocks are soft.

Detailed Solution for Important Questions: Inside Our Earth - Question 20

Hard rocks were igneous and metamorphic rocks.
Soft rocks were deemed to the sedimentary rocks.
“Hard” rocks and the minerals they contained or gave birth to, were the cutting edge of science before all the minerals were discovered.
 “soft” rocks seem to be the place of riches, in a world focused on wealth that comes by the barrel rather than by the ounce or carat.

Use Code STAYHOME200 and get INR 200 additional OFF
Use Coupon Code
Information about Important Questions: Inside Our Earth Page
In this test you can find the Exam questions for Important Questions: Inside Our Earth solved & explained in the simplest way possible. Besides giving Questions and answers for Important Questions: Inside Our Earth, EduRev gives you an ample number of Online tests for practice