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Natural regions - class-XI

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State weather these sentences are true (T) or false (F).
Tropical rainforests are not very dense.

  1. True

  2. False


Correct Option: B
Explanation:

False

Tropical rainforests are the densest of all the forests, due to abundant rainfall and sunshine.

State weather these sentences are true (T) or false (F).
Tropical rainforests are also called monsoon forests.

  1. True

  2. False


Correct Option: B
Explanation:

False,

Monsoon forest, also called dry forest or tropical deciduous forest, open woodland in tropical areas that have a long dry season followed by a season of heavy rainfall. Monsoon forests are especially well developed in Southeast Asia and are typified by tall teak trees and thickets of bamboo.

Tropical deserts are _____ regions.

  1. Mountain

  2. Arid

  3. Fertile

  4. Wet


Correct Option: B

Average temperature of tropical desert is ____________.

  1. 10C to 20C

  2. 0C to 10C

  3. 20C to 30C

  4. 30C to 40C


Correct Option: D

Population in the tropical desert is less because of _____________________.

  1. Scanty rain and scorching heat

  2. Scanty rain and mild sun

  3. Heavy rain and cool climate

  4. Mild rain and mild sun


Correct Option: A

Arabian desert is in ______________.

  1. Eastern Asia

  2. Eastern Africa

  3. Eastern Europe

  4. Western Asia


Correct Option: D

Thar desert does not have ______ .

  1. Camel

  2. Black buck

  3. Lion

  4. Great Indian Bustard


Correct Option: C

Oasis is found in _______________.

  1. Grasslands

  2. Deserts

  3. Mediterranean regions

  4. Polar region


Correct Option: B

Thar desert is shared between which countries?

  1. India and Afghanistan

  2. India and China

  3. India and Nepal

  4. India and Pakistan


Correct Option: D

Which of the following region is characterized by a season of rain followed by a season of drought?

  1. Equatorial region

  2. Hot desert region

  3. Savanna region

  4. Steppe region


Correct Option: C
Explanation:

Savannas have warm temperatures year-round. There are actually two very different seasons in a savanna; a very long dry season (winter), and a very wet season (summer). In the dry season, only an average of about 4 inches of rainfall. Between December and February, no rain will fall at all.

The agricultural practices prevalent in the Sahara desert is ___________.

  1. Nomadic hearding

  2. Plantation agriculture

  3. Mixed farming

  4. None of these


Correct Option: A
Explanation:

The activity which is mainly carried on to produce food for the family and to fulfill the needs of clothing, shelter, and recreation is known as nomadic herding. It is an ecological system of agriculture. The nomadic herders are dependent on sheep, cattle, goats, camels, horses, and reindeers for their livelihood. Nomadic herding is mostly practiced in less arable land. It is mostly practiced in central Asia and the Sahel region of West Africa. It is most prevalent in the Sahara desert.

Cactus is a plant usually found in _____________.

  1. Flood plains

  2. Semiarid regions

  3. Deltaic regions

  4. Fresh water lakes


Correct Option: B
Explanation:

Cactus is a plant usually found in Semiarid region.

A semi-arid climate or steppe climate is the climate of a region that receives precipitation below potential evapotranspiration, but not as low as a desert climate. There are different kinds of semi-arid climates, depending on variables such as temperature, and they give rise to different biomes.

Cactus is a plant usually found in__________.

  1. Flood plains

  2. Arid regions

  3. Deltaic regions

  4. Fresh water lakes


Correct Option: B

Thorny bushes are found in _________.

  1. Semi-arid areas

  2. Moderate climate areas

  3. Cold polar climate areas

  4. All the places


Correct Option: A
Explanation:

The vegetation in these forests are thorny trees and bushes. The Thorn Forests are found in the semi-arid areas of Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Uttar Pradesh and Haryana. Acacias, palms, euphorbias and cacti are the main plants found in these forests.

Which of the following countries fall in all the three regions: hot desert, Mediterranean and cool temperate?

  1. Egypt

  2. Spain

  3. U.K.

  4. None of these


Correct Option: D

'High temperature, high rainfall, a perpetual summer without any change of season' is the characteristic of_________________.

  1. Monsoon region

  2. Steppe or prairie region

  3. Equatorial region

  4. Polar region


Correct Option: C

Which of the following is not true of the Monsoon Region?

  1. They experience high rainfall in summer and negligible rainfall in winter

  2. They experience four seasons in a year

  3. They fall between $33^{\circ}$ North and $30^{\circ}$ South parallels

  4. Crops grown in tropical monsoonal regions required a large supply of water


Correct Option: C

The land and sea breeze blow in a gigantic scale in the ____________.

  1. Equatorial Region

  2. Polar Region

  3. Monsoon Region

  4. Sahara Region


Correct Option: C
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