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Geography Class 7 Chapter 2

Total questions: 115

Worksheet time: 58mins

Name
Class
Date
1.

The earth, our homeland is a (a)   planet.

2.

The things present inside the earth are :

a)

Crust

b)

Mantle

c)

Core

d)

Animals

3.

The deepest mine in the world, is in (a)   .

4.

Just like a/an (a)   ,the earth is made up of several concentric layers with one inside another.

5.

The uppermost layer over the earth’s surface is called :

a)

Crust

b)

Mantle

c)

Core

6.

It is about ___ km. on the continental masses and only __ km. on the ocean floors.

(a)  

7.

The main mineral constituents of the continental mass are :

a)

silicon and aluminium

b)

silica and nickel

c)

silica and alumina

d)

silicon and magnesium

8.

"sima" is the acronym for :

(a)  

9.

Just beneath the crust is the (a)   which extends up to a depth of 2900 km. below the crust.

10.

The chemical name for Iron is :

a)

Fe - Ferrous

b)

Fe - Feride

c)

Iron oxide

d)

Steel

11.

The radius of the earth is (a)   km

12.

Three major types of rocks:

a)

igneous

b)

sedimentary

c)

metamorphic

d)

sial

e)

sima

13.

When the molten magma cools, it becomes solid. Rocks thus formed are called (a)   rocks.

14.

Igneous is a _____ word meaning ______

a)

Latin, fire

b)

Greek, Stones

c)

French, Water

d)

Latin, Hot air

15.

(a)   is actually fiery red molten magma coming out from the interior of the earth on its surface.

16.

Sometimes the molten magma cools down deep inside the earth’s crust. Solid rocks so formed are called (a)   igneous rocks

17.

(a)   is the example of intrusive sedimentary rock.

18.

Sedimentary is a word derived from _____ word ______

a)

Greek, sedentum

b)

Latin, sedentum

c)

French, Sedimenta

d)

Spanish, Sedenta

19.

The sediments fuse together with this natural cementing material called ______

a)

Lime

b)

Glue

c)

cement

d)

clay

20.

Rock salt is an example of

a)

Organically deposited sedimentary rock

b)

Stratified rock

c)

chemically deposited sedimentary rock

21.

The lithosphere is made up of rocks and (a)  

22.

TRUE/ FALSE

Rocks have definite chemical composition.

a)

True

b)

False

23.

Which one of the following called as primary rocks?

a)

Metamorphic rocks

b)

Igneous rocks

c)

sedimentary rocks

d)

Hard rocks

24.

The oceanic crust mainly consists of

a)

Silica and alumina

b)

Silica and magnesium

c)

Nickel and iron

d)

None of these

25.

After metamorphism limestone changes into

a)

Slate

b)

Sandstone

c)

Marble

d)

Granite

26.

Deccan plateau is made up of

a)

Basalt rocks

b)

Sandstone

c)

Marble

d)

Granite

27.

The radius of the earth is

a)

6400 kilometre

b)

6300 kilometre

c)

7000 kilometre

d)

6371 kilometre

28.

From which of the following word the metamorphic word arrive?

a)

French

b)

Latin

c)

Greek

d)

Japanese

29.

Granite is a hard material and forms cooling magma. Granite is a type of

a)

Lava stone

b)

Igneous rock

c)

Volcanic dust

d)

Sedimentary rock

30.

The core is made up of

a)

Silica and magnesium

b)

Nickel and iron

c)

Coal and marble

d)

Silica and alumina

31.

Gold, petroleum and coal are examples of

a)

Rocks

b)

Minerals

c)

Fossils

d)

None of these

32.

The deepest mine in the world, is in (a)   .

33.

The main mineral constituents of the continental mass are :

a)

silicon and aluminium

b)

silica and nickel

c)

silica and alumina

d)

silicon and magnesium

34.

Just beneath the crust is the (a)   which extends up to a depth of 2900 km. below the crust.

35.

Sometimes the molten magma cools down deep inside the earth’s crust. Solid rocks so formed are called (a)   igneous rocks

36.

Which is not true for earth's layer?

a)

Crust- 5 to 35 Km

b)

Mantle- 2900 km

c)

Core 5000 km

37.

Tajmahal is made of

a)

Sandstone

b)

Marble

c)

Granite

d)

Basalt

38.

Sandstone is a type of .....

a)

Igneous rock

b)

Metamorphic rock

c)

Sedimentary rock

39.

The process of transformation of rock from one to another is called (a)  

40.

What does latin word sedimentum means?

a)

Happy

b)

Settle down

c)

Center

d)

Up

41.

The lithosphere is made up of rocks and (a)  

42.

TRUE/ FALSE

Rocks have definite chemical composition.

a)

true

b)

false

43.

How many types of rocks on the basis of their formation?

a)

1

b)

2

c)

3

d)

4

44.

Which one of the following called as primary rocks?

a)

Metamorphic rocks

b)

Igneous rocks

c)

sedimentary rocks

d)

Hard rocks

45.

Give one example of intrusive igneous rocks.

(a)  

46.

Give one example of extrusive igneous rocks.

(a)  

47.

Granite is a hard material and forms cooling magma. Granite is a type of

a)

Lava stone

b)

Igneous rock

c)

Volcanic dust

d)

Sedimentary rock

48.

Which of the following is a sedimentary rock?

a)

Granite

b)

Obsidian

c)

Limestone

d)

Marble

49.

Which of the following rocks is formed by the metamorphosis of granite?

a)

Quartzite

b)

Gniess

c)

Marble

d)

Slate

50.

Which of the following rock samples contains fossils?

a)
b)
c)
d)
51.

Igneous, sedimentary and metamorphic rocks are usually composed of

a)

inter-grown crystals

b)

minerals

c)

fossils

d)

sediments

52.

Which process is necessary for the formation of igneous rocks?

a)

erosion

b)

deposition

c)

metamorphism

d)

solidification

53.

Limestone is metamorphosed into (a)  

54.

Gems are found in (a)   rocks

55.

Gold, petroleum and coal are examples of

a)

Rocks

b)

Minerals

c)

Fossils

d)

Sediments

56.

Where is the deepest mine in the world located?

a)

South America

b)

South India

c)

South Africa

d)

South Australia

57.

Which rock is the molten magma made up of?

a)

Igneous

b)

Sedimentary

c)

Metamorphic

d)

None of these

58.

Any natural mass of mineral matter that makes up the Earth’s crust is called a

a)

rock

b)

road

c)

fossil

d)

none of these

59.

Deccan Plateau is made up of

a)

Slate

b)

Marble

c)

Limestone

d)

Basalt

60.

The remains of dead plants and animals are known as

a)

sediments

b)

skin

c)

fossils

d)

none of these

61.

Rocks are used in

a)

making roads

b)

building houses

c)

playing games

d)

all of these

62.

Another name for Igneous rock is

a)

Intrusive Igneous rocks

b)

Extrusive Igneous rocks

c)

Primary rocks

d)

Secondary rocks

63.

Minerals are used in

a)

Industries

b)

Vehicles

c)

Medicines

d)

All of these

64.

The process of transformation of the rock from one form to another is known as

a)

Rock cycle

b)

Food cycle

c)

cycle

d)

none of these

65.

The thinnest layer of the Earth is the __________

a)

crust

b)

mantle

c)

outer core

d)

inner core

66.

The average radius of the mantle is about

a)

2300 km

b)

2900 km

c)

3500 km

d)

3900 m

67.

What is the other name of the core?

a)

Lithosphere

b)

Biosphere

c)

Barysphere

d)

Hydrosphere

68.

Granite, Chalk, clay and salt are examples of ___________

a)

rocks

b)

minerals

c)

fossils

d)

metals

69.

The rocks which are formed from molten magma are called ____________ rocks

a)

igneous

b)

sedimentary

c)

metamorphic

d)

metallic

70.

The fossil fuels are found in ____________ rocks

a)

igneous

b)

sedimentary

c)

metamorphic

d)

volcanic

71.

The solid outermost layer of the earth is called (a)  

72.

Geography is the study of Earth's interior

a)

True

b)

False

73.

The change of one type of rock into another is know as (a)  

74.

Marble is a type of ___________ rock

a)

metamorphic

b)

igneous

c)

expensive

d)

sedimentary

75.

The thinnest layer of the earth is the..

a)

mantle

b)

outer core

c)

crust

d)

inner core

76.

The (a)   is about 2,900 km thick and has rocks in the form of magma.

77.

Granite, chalk,clay and salt are examples of

a)

rocks

b)

minerals

c)

fossils

d)

metals

78.

Which layer of earth has high temperature

a)

Mantle

b)

Crust

c)

outer core

d)

inner core

79.

Ocean crust mainly consists of_________

a)

silica and magnesium

b)

silica and alumina

c)

nickel and iron

d)

all of the above

80.

Just like a/an (a)   ,the earth is made up of several concentric layers with one inside another.

81.

The rocks formed from the solidification of molten magma are called

a)

Igneous

b)

Sedimentary

c)

Metamorphic

d)

Both a and b

82.

The oceanic crust mainly consists of which of these minerals

a)

Silica and alumina

b)

Silica and magnesium

c)

Nickel and iron

d)

None of these

83.

After metamorphism limestone changes into

a)

Slate

b)

Sandstone

c)

Marble

d)

Granite

84.

The core has a radius of about

a)

3100 km

b)

3300 km

c)

3500 km

d)

2900 km

85.

The Deccan plateau is mainly made up of

a)

Basalt rocks

b)

Sandstone

c)

Marble

d)

Granite

86.

The core is made up of

a)

Silica and magnesium

b)

Nickel and iron

c)

Coal and marble

d)

Silica and alumina

87.

Gold, petroleum and coal are examples of

a)

Rocks

b)

Minerals

c)

Fossils

d)

None of these

88.

Which layer of the Earth has very high temperature and pressure?

a)

Core

b)

Crust

c)

Mantle

d)

Both a and c

89.

Which one of the following are also known primary rocks?

a)

Metamorphic rocks

b)

Igneous rocks

c)

sedimentary rocks

d)

Hard rocks

90.

Give two uses of rocks in our lives.

(a)  

91.

The process of transformation of rock from one to another is called (a)  

92.

The uppermost layer over the earth's surface is called the ..

a)

mantle

b)

crust

c)

rocks

93.

The crust is about _____ km on the continental masses and _____ km on the ocean floors .

(a)  

94.

Crust is the thinnest of all layers

a)

True

b)

False

95.

Crust is the thinnest of all layers

a)

True

b)

False

96.

The innermost layer is the mantle with a radius of about 3500 km

a)

True

b)

False

97.

The crust form only _______ percent of the volume of the earth

a)

6 percent

b)

8 percent

c)

1 percent

d)

3 percent

98.

Mantle is the thinnest of all layers

a)

True

b)

False

99.

The ______ crust is called sial

a)

Continental

b)

Oceanic

100.

Rocks are made up of different Minerals

a)

True

b)

False

101.

The earth 🌎, our homeland is a _____ planet

a)

Dynamic

b)

Dwarf

c)

Lifeless

d)

Coldest

102.

Just like a ______ our earth is made up of several concentric layers with one inside other

a)

Onion

b)

Cabbage

c)

Brinjal

d)

Potato

103.

The deepest mine in the world is ______ km deep

a)

4

b)

5

c)

3

d)

7

104.

We have to dig a _________ km deep hole to reach the centre of earth

a)

6000

b)

60000

c)

5000

d)

70000

105.

The main mineral constituents of the continental mass are

a)

Sima

b)

Sial

c)

Nife

106.

The main mineral constituents of the oceanic crust are

a)

Sial

b)

Sima

c)

Nife

107.

The radius of the earth is

a)

6371 km

b)

6589 km

c)

6578 km

108.

Which are the games which we use rocks

a)

Seven stones (pitthoo)

b)

Hop scotch (stapu / kit- kit )

c)

Five stones (gitti)

d)

Chess

109.

Another name of primary rock

a)

Sedentary rock

b)

Sedimentary rocks

c)

Igneous rocks

d)

Metamorphic rocks

110.

Sandstone is made up of

a)

Grain of sand

b)

Small sediments

111.

Which of the following changes to marble

a)

Slate

b)

Clay

c)

Limestone

112.

_________ can be of different colour, size and texture

a)

Rocks

b)

Mineral

c)

Humus

d)

None of them above

113.

Which plateau is made of basalt

(a)  

114.

Mantle extends up to

a)

2900 km

b)

29000 km

c)

2090 km

115.

An example of intrusive rock is

a)

Basalt

b)

Granite

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