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NCERT Solutions for Class 7 Geography Social Science Chapter 10 Life in the Deserts

Orchids provides free PDF formats of NCERT Solutions for Class 7 Social Science (Geography), Chapter 10: Our Environment - Life in the Deserts. These solutions offer precise answers to every textbook exercise, which is essential for achieving the highest marks in this subject. Chapter 10 serves as a cornerstone for building a solid base for all CBSE board students.

Life in the Deserts

Question 1 :

Answer the following questions.

(a) What are the two types of deserts found in the world?

(b) In which continent is the Sahara desert located?

(c) What are the climatic conditions of the Ladakh desert?

(d) What mainly attracts tourists to Ladakh?

(e) What type of clothes do the people of the Sahara desert wear?

(f) Name the trees that grow in Ladakh.

Answer :

(a) There are two types of deserts in the world

  1. Hot Desert

  2. Cold Desert

(b) The Sahara Desert is located in the continent of Africa. It covers a large part of North Africa.

(c) Ladakh is a cold desert that lies in the Great Himalayas. The altitude of Ladakh varies from 3000m to 8000m, because of which the climate is very cold and dry. The air at this altitude is very thin, and it intensifies the heat from the sun. The temperature in winter is less than –40°C, and the day temperature in summer is just above zero degrees.

(d) Tourism is a major activity, as plenty of tourists from India and abroad visit Ladakh every year. One of the main attractions is the Buddhist monasteries and gompas. Tourists also enjoy trekking to see the meadows and glaciers and witnessing the important ceremonies and festivities of Ladakh.

(e) The people of the Sahara Desert wear heavy robes as protection against dust storms and wind.

(f) Trees like apple, apricot and walnut grow during the summer season in Ladakh. Other than that, there are scanty patches of shrubs and grass for animals to graze. Due to the cold climate, there is not much fauna in this region.

 


Question 2 :

 Tick the correct answer.

(i) Sahara is located in which part of Africa?

     (a) Eastern

     (b) Northern

     (c) Western

(ii) Sahara is what type of desert?

     (a) Cold

     (b) Hot

     (c) Mild

(iii) The Ladakh desert is mainly inhabited by

     (a) Christians and Muslims

     (b) Buddhists and Muslims

     (c) Christians and Buddhists

(iv) Deserts are characterised by

     (a) Scanty vegetation

     (b) Heavy precipitation

     (c) Low evaporation

(v) Hemis in the Ladakh is a famous

     (a) Temple

     (b) Church

     (c) Monastery

(vi) Egypt is famous for growing

     (a) Wheat

     (b) Maize

     (c) Cotton

 

Answer :

(i) b

(ii) b

(iii) b

(iv) a

(v) c

(vi) c


Question 3 :

Match the following.

(i) Oasis

(a) Libya

(ii) Bedouins

(b) Monastery

(iii) Oil

(c) Glacier

(iv) Gangri

(d) Depressions with water

(v) Lamayuru

(e) Cold desert

 

(f) Sahara

 

Answer :

(i) Oasis

(d) Depressions with water

(ii) Bedouins

(f) Sahara

(iii) Oil

(a) Libya

(iv) Gangri

(c) Glacier

(v) Lamayuru

(b) Monastery

 


Question 4 :

Give reasons.

(i) There is scanty vegetation in the deserts.

 

(ii) People of the Sahara desert wear heavy robes.

 

 

Answer :

(i) A desert is an area characterised by low rainfall, scanty vegetation and extreme temperature. These climatic conditions are not suitable for the growth of plants. This is why there is scanty vegetation in the deserts.

(ii) The climate in the Sahara Desert is scorching hot, and the wind is dry. This is why the people of the Sahara Desert wear heavy robes to protect themselves from dust storms and dry wind.

 


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