Study of Continents

ICSE Class 6 Geography · Solutions for Goyal Brothers Prakashan Geography by Veena Bhargava Class 6 ICSE · 92 solved questions

Exercise
1Answer the following in one word

A range of mountains

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Cordilleras

2Answer the following in one word

A plateau surrounded by mountain ranges

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Intermontane

3Answer the following in one word

A long deep Gorge

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Canyon

4Answer the following in one word

A narrow strip of land joining two large land areas or separating two oceans

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Isthmus

5Answer the following in one word

A narrow deep valley with steep sides

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Gorges

1Fill in the blanks

West Indies are also called ............... .

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West Indies are also called Caribbean.

2Fill in the blanks

Canadian shield is also known as ............... shield.

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Canadian shield is also known as Laurentian shield.

3Fill in the blanks

Eastern Highlands are also called ...............

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Eastern Highlands are also called Appalachian.

4Fill in the blanks

Canadian shield was covered with thick sheets of ice during the ............... .

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Canadian shield was covered with thick sheets of ice during the last ice age.

5Fill in the blanks

The famous Niagara Falls are located between Lake ............... and Lake ............... .

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The famous Niagara Falls are located between Lake Ontario and Lake Erie .

6Fill in the blanks

Piedmont Plateau is a ............... area.

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Piedmont Plateau is a low area.

7Fill in the blanks

The two main mountain ranges in Appalachian region are ............... and ............... .

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The two main mountain ranges in Appalachian region are Blue ridge and Allegheny.

1Write true or false

The Canadian Shield is in Mexico.

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False

Corrected Statement — The Canadian Shield is in Canada.

2Write true or false

The French word Prairies stands for grasslands.

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True

3Write true or false

North America is bound by Indian Ocean and Pacific Ocean.

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False

Corrected Statement — North America is bound by Atlantic Ocean and Pacific Ocean.

4Write true or false

The Great Canyon of Colorado is in the east of North America.

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False

Corrected Statement — The Great Canyon of Colorado is in the west of North America.

5Write true or false

Hudson river is linked to Great Lakes through the Erie Canal.

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True

1Tick the correct answer

Which river flows into the gulf of Mexico

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Mississippi

2Tick the correct answer

The Old Faithful geyser is located in

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USA

3Tick the correct answer

Which of the following is not a mountain range in West Cordilleras?

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Blue ridge

4Tick the correct answer

The Great Canyon is formed by

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River Colorado

5Tick the correct answer

The river that rises in the Rockies and flows into the Gulf of California

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Colorado

6Tick the correct answer

Isthmus of Panama connects North America to South America in the

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South

7Tick the correct answer

The country not a part of Central America

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Mexico

8Tick the correct answer

The major drainage system of North America with river Ohio as its major tributary

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Mississippi

9Tick the correct answer

Niagara Falls is on this river

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St. Lawrence

10Tick the correct answer

It covers the Eastern and northeastern part of North America

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Canadian Shield

11Tick the correct answer

The Central Lowlands lie between the western Cordilleras and the ...............

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Appalachian

12Tick the correct answer

Which is the temperate grassland in the central lowlands of North America?

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Prairies

13Tick the correct answer

It is a volcanic mountain and the highest peak in Alaska.

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Mt. Mckinley

14Tick the correct answer

North America is located in which hemisphere?

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Western and Northern

1Explain the following terms

Canyon

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Canyon — Long and deep valleys formed in the area of soft rocks are called Canyons.

2Explain the following terms

Intermontane

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Intermontane — Intermontane refers to physical feature that is surrounded by mountains on all sides. For example, Intermontane Plateau is a plateau situated between two or more mountain ranges.

3Explain the following terms

Prairies

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Prairies — The word 'Prairies' is a French word which means grassland. The temperate grassland of North America is called Prairies. It is situated in the Central lowlands.

1Answer the following questions in brief

State the North South and East West extent of North America.

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North America is located in the Western and Northern Hemisphere. Latitudinally it extends between 7°N to 83°N latitudes. Longitudinally it extends from 53°W to 180°W.

2Answer the following questions in brief

How is North America linked to South America?

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North America is linked to South America by Isthmus of Panama.

3Answer the following questions in brief

Name three gulfs along the coastline of North America.

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Three gulfs along the coastline of North America are:

  1. Gulf of Mexico
  2. Gulf of California
  3. Gulf of St. Lawrence
4Answer the following questions in brief

What type of rocks are found in Canadian Shield?

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The Canadian Shield has hard Igneous and Metamorphosed sedimentary rocks. These rocks are of ancient times.

5Answer the following questions in brief

Name the famous lakes in Canadian Shield.

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The famous lakes in Canadian Shield are:

  1. The Great Superior lake
  2. The Michigan lake
  3. The lake Huron
  4. The lake Erie
  5. The lake Ontario
6Answer the following questions in brief

Where is the Piedmont Plateau situated? What is its importance?

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The Piedmont Plateau is situated to the east of Appalachians. It is a low lying plateau. It acts as a barrier between the Atlantic coast and Central lowlands.

7Answer the following questions in brief

Why are Prairies known as the 'Granaries of the World'?

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The Prairies are known as the 'Granaries of the World' because it is fertile area which produces large quantity of Wheat.

8Answer the following questions in brief

Name the river that drains the lowlands.

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The river that drains the lowlands is Mississippi and its tributary Missouri.

9Answer the following questions in brief

State the location of Western Cordilleras.

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The Western Cordilleras extend from Alaska in the North to Panama in the South along the western coast.

10Answer the following questions in brief

Name the important ranges of Western Cordilleras

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The important ranges of Western Cordilleras are:

  1. The Coastal range
  2. The Cascade range
  3. Sierra Nevada
  4. Sierra Madre
11Answer the following questions in brief

Name the most important mountain peak of Western Cordilleras.

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Mt. McKinley is the most important mountain peak of Western Cordilleras as it is the highest peak of Cordillera region and also a volcano.

13Answer the following questions in brief

What is meant by Pangaea?

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The 'Pangaea' refers to the supercontinent that consisted of all the Earth's land masses, creating a single, vast continent that stretched from pole to pole. The present continents drifted away from this original large landmass.

14Answer the following questions in brief

Who invented the Continental Drift theory?

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The Continental Drift theory was invented by Antonio Snider.

1Tick the right option

Andes are

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Fold mountains

2Tick the right option

Lake Titicaca is situated in

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Bolivia plateau

3Tick the right option

The tropical rainforests are called

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Selvas

4Tick the right option

The Amazon river rises from the

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Andes cordillera

5Tick the right option

The La Plata river basin is also known as

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Paraguay

6Tick the right option

Which is the highest peak in Andes range?

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Mt. Aconcagua

7Tick the right option

The western coastal strip is surrounded by ............... on the east.

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Andes

8Tick the right option

The driest desert, where there has been no rainfall.

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Atacama Desert

9Tick the right option

Orinoco, Amazon and La Plata drain into which ocean?

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Atlantic

10Tick the right option

The largest river system of the world is .............

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Amazon

11Tick the right option

Brazilian highland is the source of which river basin

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Paraguay

12Tick the right option

Rio de la Plata is an example of

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estuary

13Tick the right option

Which desert lies to the south of Pampas?

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Patagonia

14Tick the right option

The ............... highland is the home for the world's highest waterfall.

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Guiana

15Tick the right option

An island country in the northern edge of South America

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Trinidad and Tobago

1Fill in the blanks

............... discovered South America in ............... .

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Christopher discovered South America in 1498 .

2Fill in the blanks

............... and ............... pass through South America.

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Equator and Tropic of Capricorn pass through South America.

3Fill in the blanks

The latitudinal extent of South America is from ............... N to ............... S.

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The latitudinal extent of South America is from 13° N to 55° S.

4Fill in the blanks

The Andes form an unbroken stretch of ............... mountains.

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The Andes form an unbroken stretch of Young fold mountains.

5Fill in the blanks

............... marks the southernmost tip of South America.

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Cape Horn marks the southernmost tip of South America.

1State whether the following statements are…

The Andes run from north to south along the eastern coast of South America.

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False

Corrected statement — The Andes run from north to south along the western coast of South America.

2State whether the following statements are…

Mt. Chimborazo is one of the highest volcanoes of South America.

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True

3State whether the following statements are…

La Plata is made up of two rivers.

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False

Corrected statement — La Plata is made up of three rivers i.e. the Parana, the Paraguay and the Uruguay.

4State whether the following statements are…

The Gran Chaco is a grassland.

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False

Corrected statement — The Gran Chaco is a plain and tropical dry forest.

5State whether the following statements are…

Pampas lies to the north of South America.

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False

Corrected statement — Pampas lies to the south of South America.

1Give an example of each of the following found…

The largest river

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Amazon

2Give an example of each of the following found…

An archipelago

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Tierra del Fuego

3Give an example of each of the following found…

An active volcano

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Mt. Cotopaxi

4Give an example of each of the following found…

A highland in the north of South America

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Guiana

5Give an example of each of the following found…

A desert in South America in the coastal strip

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Atacama desert

1Answer the following in one word

The largest country of South America

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Brazil

2Answer the following in one word

An archipelago found at the eastern tip of South America

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Tierra del Fuego

3Answer the following in one word

The intermontane plateau in the Andes.

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Altiplano

4Answer the following in one word

A majestic volcano in South America

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Chimborazo

5Answer the following in one word

The largest lake in South America

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Lake Titicaca

1Answer the following questions in brief

Describe the location of South America.

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South America lies between 13° N latitude to 55° S and 35° W to 81° W longitude. The major part of South America is in Southern Hemisphere and only a small part lies in Northern Hemisphere. Equator and Tropic of Capricorn cross through South America.

2Answer the following questions in brief

Name the major physical divisions of South America.

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The major physical divisions of South America are:

  1. Western Mountains — Andes
  2. The Western Coastal Strip
  3. The Central Plains
  4. The Eastern Highlands
  5. The Islands
3Answer the following questions in brief

Name the three rivers that make up the Paraguay river basin.

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The three rivers that make up the Paraguay river basin are:

  1. The Parana
  2. The Paraguay
  3. The Uruguay
4Answer the following questions in brief

Write a short note on Amazon basin, Gran Chaco and Pampas.

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Amazon basin — It is drained by Amazon river and its tributaries and is spectacular in size with some 20,800 km of navigable water-ways. Amazon is the largest river system of the world. It rises from the Andes and falls into the Atlantic Ocean. It flows through dense equatorial forest called Selvas.

Gran Chaco — The Western part of the central plain is called Gran Chaco. It is an extensive alluvial plain. It is also known as Dry Chaco. It is an arid subtropical region of low forests.

Pampas — It is the Grassland of South America. It lies to the south of the Gran Chaco. Pampas is the most productive agricultural region of South America. It is covered with fine grained stoneless deposits similar to loess.

5Answer the following questions in brief

Name the three river basins found in central lowlands. What is meant by Llanos?

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The three river basins found in central lowlands are:

  1. The llanos of the Orinoco Basin
  2. The Amazon Basin
  3. Paraguay or Plata river basin

Llanos refers to the tropical grassland of Orinoco river basin. It lies in the north of Orinoco river basin.

6Answer the following questions in brief

State the characteristic features of Andes mountain range.

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The characteristic features of Andes mountain range are:

  1. It is the longest mountain system of the world. Their average height is about 4000 m above sea level.
  2. It is an unbroken stretch of young fold mountains which flank the Pacific coast from Caribbean Sea to Cape Horn.
  3. It has two parallel ranges from western and eastern sides.
  4. It's highest peak is Mt. Aconcagua.
  5. It has majestic volcanic ranges which include Cotopaxi, Chimborazo, Ancohuma in Bolivia and Ojas del Salado in Argentina.
  6. The western slopes of the Andes give rise to only short streams but many numerous large rivers drain the eastern slopes, flowing into the Amazon river.
7Answer the following questions in brief

Name the two deserts of South America. Give a reason for the scanty rainfall in the deserts

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The two deserts of South America are

  1. Atacama Desert
  2. Patagonia Desert

The deserts receive scanty rainfall because they lie in Rain shadow area that is the leeward side of the mountain. The windward side of the mountain receives rainfall while the leeward side remains dry.

8Answer the following questions in brief

What is meant by rain shadow area? Give one example of such an area in South America.

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The Rain shadow area is an area on the leeward side of the mountain which does not receive rainfall. Atacama desert is one of the examples of rain shadow area.

9Answer the following questions in brief

Name the highest peak in Andes.

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The highest peak in Andes is Mt. Aconcagua.

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