Antarctica

ICSE Class 7 Geography · Solutions for Class 7 ICSE Around the World Geography · 22 solved questions

Exercise
1Quick Quiz

Antarctica is covered with (sand/ice/fertile soil).

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Antarctica is covered with ice.

2Quick Quiz

The water body surrounding Antarctica is called the Arctic Ocean. True or False?

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False

Corrected Statement — The water body surrounding Antarctica is called the Antarctic ocean or the Southern ocean.

3Quick Quiz

The Norwegian explorer who first reached the South Pole was ............... .

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The Norwegian explorer who first reached the South Pole was Roald Amundsen.

4Quick Quiz

What is the name of India’s first manned research station in Antarctica?

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Maitri is the name of India’s first manned research station in Antarctica

5Quick Quiz

Name the highest point of Antarctica.

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Vinson Massif is the highest point of Antarctica.

1Fill in the blanks

Antarctica was discovered in ............... .

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Antarctica was discovered in 1820.

2Fill in the blanks

The ............... Year marked the beginning of the modern age of Antarctica exploration.

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The International Geophysical (1957-58) Year marked the beginning of the modern age of Antarctica exploration.

3Fill in the blanks

East Antarctica and West Antarctica are separated by the ............... Mountains.

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East Antarctica and West Antarctica are separated by the transantarctic Mountains.

4Fill in the blanks

The lowest temperature of the world was recorded in the ............... station.

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The lowest temperature of the world was recorded in the Russian Vostok station.

5Fill in the blanks

............... and ............... are the vegetation found in Antarctica.

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Mosses and lichens are the vegetation found in Antarctica.

1Write True or False

Ships reach Antarctica through the Ross ice Shelf.

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True

2Write True or False

India is a signatory of the Antarctic Treaty.

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True

3Write True or False

Antarctica experiences summer from May to August.

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False

Corrected Statement — Antarctica experiences summer from November to February.

4Write True or False

Polar bears are found in Antarctica.

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False

Corrected Statement — Penguins are found in Antarctica.

5Write True or False

Antarctica provides scope for the scientific study of weather.

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True

1Give reasons for the following

Antarctica is called the White Continent.

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The entire continent of Antarctica is covered with a vast ice sheet. Due to this thick ice cover, Antarctica is called the White Continent.

2Give reasons for the following

Antarctica does not have a permanent population.

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Antarctica does not have a permanent population because of:

  1. Remoteness from the rest of world.
  2. Ice covering the land surface.
  3. Severe cold and long months of little or no daylight.

The above factors discourage human settlement on the continent.

1Answer these questions

What do you know about the location of Antarctica?

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Antarctica is centred roughly around the South pole. It is roughly circular in shape and is surrounded by a continuous water body formed by the southern parts of the pacific, Atlantic and Indian oceans. This water body is also called the Antarctic Ocean or the Southern Ocean.

2Answer these questions

Write the names of two explorers who explored Antarctica. Write three points laid down in the Antarctic Treaty.

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Roald Amundsen and Robert F Scott were two explorers who explored Antarctica.

Three points laid down in the Antarctic Treaty were:

  1. The nations should pool their resources and information about Antarctica.
  2. The continent shall be used only for peaceful purposes.
  3. The testing of weapons is prohibited.
3Answer these questions

Write a short note on the climate of Antarctica.

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Antarctica is an extremely cold, dry and windy continent. The continental edges experience powerful winds which blow at a speed of about 160 kilometres per hour. These strong cold winds are called blizzards.
The summer in Antarctica is from November to February. During this time the sun never sets. The summer temperature remains below the freezing point.
The winter is from May to August. The sun never rises during these months. As the winter approaches, the sea around Antarctica freezes.
No rainfall occurs in Antarctica as the land surface remains frozen and the air remains dry. However, light snowfall occurs during winter, mainly in the coastal areas.

4Answer these questions

Name four animals and three minerals found in Antarctica.

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Four animals found in Antarctica are:

  1. Penguins
  2. Snow petrel
  3. Albatross
  4. Seal

Three minerals found in Antarctica are:

  1. Iron
  2. Copper
  3. Uranium
5Answer these questions

Why is Antarctica called the ‘Continent of Science’?

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Antarctica is called the 'Continent of Science' because it provides great scope for the scientific study of the earth's weather.

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