Tag: antarctica

Questions Related to antarctica

Dakshin Gangotri is _________.

  1. A river-valley project in Andhra Pradesh

  2. An unmanned station located in Antarctica for continuous weather and scientific recordings

  3. A second source of the river Ganga

  4. An island in the Indian Ocean near Antarctica


Correct Option: B
Explanation:

  • Dakshin Gangotri is an Indian first research station established in Antarctica. It was established during third Indian expedition between 1983-84.
  • An automatic weather recording station was set up here. The station is also used to conduct tests on radio waves in Antarctica. Other functions of the Dakshin Gangotri included observations of physical oceanography, the chemistry of the freshwater lakes around, biological traits of the land, biological traits of the water, geology, glaciology and geomagnetism of the area.

The zones of excessively dry climate with very cold temperature throughout the year correspond to __________.

  1. Arctic deserts

  2. Tundra

  3. Alpine meadows

  4. Antarctica


Correct Option: D
Explanation:

  • Antarctica is the southernmost continent of the earth. It is the coldest, driest and windiest continent in the world.
  • It has very low temperature throughout the year. The average annual temperature is −57 °C and temperature as cold as −93.2 °C is also recorded in this region.

The effective rainwater management depends on _____________________.

  1. Collection of rainwater

  2. Harvesting of rainwater

  3. Irrigation of fields

  4. Both A and B


Correct Option: D
Explanation:

Rainwater harvesting is the process of collecting rainwater from rooftops and directing it to an appropriate location and storing it for future use. Effective rainwater management depends on the collection of rainwater and harvesting of rainwater. Irrigation of field is watering of the fields so it cannot be included in the rainwater harvesting technique.

When did humans first see Antarctica?

  1. 500 B.C.

  2. 1000 A.D.

  3. 1520 A.D.

  4. 1820 A.D.


Correct Option: D
Explanation:

Though there were many theories that stated the existence of Antarctica, it was only in 1820 when the human first set foot in this place. The first landing was probably just when American Captain John Davis, a sailor, set foot on the ice.

Antarctica is _________________.

  1. nearly all exposed land with some glaciers

  2. about half ice and half exposed land

  3. mainly ice, with a few areas of exposed land

  4. none of these


Correct Option: C
Explanation:

  • Antarctica is the southernmost continent of the earth. It is the coldest, driest and windiest continent in the world.
  • It has very low temperature throughout the year. The average annual temperature is −57 °C and temperature as cold as −93.2 °C is also recorded in this region.
  • That is the reason why it is composed mainly of ice with some exposed land.

Which one of the following is the continent with the highest mean elevation in the world?

  1. Antarctica

  2. North America

  3. Asia

  4. South America


Correct Option: A
Explanation:

  • Antarctica is the southernmost continent of the earth. It is the coldest, driest and windiest continent in the world.
  • It is the continent with the highest mean elevation in the world. It has an average elevation of 7,545 feet above sea level. The elevation of Antarctica at the South Pole is 9,300 feet. The tallest mountain peak in Antarctica is Mount Vinson, which lies at a height of 16,050 feet.

Antarctica has the world's largest __________.

  1. Volcano

  2. Glaciers

  3. Mountains

  4. None of these


Correct Option: B
Explanation:

  • Largest glacier in the world is Lambert glacier. It is located in the southern most region of the earth which is Antarctica.
  • The glacier has been measured to be 8,200 feet (2,500 meters) deep at its centre
  • Lambert glacier moves at a rate of 400 to 800 metres per year.

Antarctica is the world's coldest continent, it is also the world's _________.

  1. Foggiest continent

  2. Furthest away continent

  3. Windiest continent

  4. None of these


Correct Option: C
Explanation:

  • Antarctica is the southernmost continent of the earth. It is the coldest, driest and windiest continent in the world.
  • It has mostly katabatic winds which means a wind that carries high density air from a higher elevation down a slope under the force of gravity.
  • Such winds are sometimes also called fall winds.

Which of these animals are rare in Antarctica?

  1. Penguins

  2. Whales

  3. Seals

  4. Polar bears


Correct Option: D
Explanation:

  • Antarctica is the southernmost continent of the earth. It has animals like penguins, seals, whales and other species of plants and animals.
  • Polar bears are native to Arctic Circle.

How big is the largest land animal in Antarctica?

  1. About 13 mm long

  2. About 13 m long

  3. About 13 cm long

  4. None of these


Correct Option: A
Explanation:

  • Antarctica is the southernmost continent of the earth. It has animals like penguins, seals, whales and other number of species of plants and animals.
  • The largest animal of Antarctica is a wingless animal known as Belgica Antarctica which is 13mm or 1.3 cm long.
  • All the other, larger, animals in Antarctica are considered marine animals.