NCERT Solutions for Class 7 - Life in the Deserts

1. Answer the following questions. 

(a) What are the two types of deserts found in the world?
Answer
Two types of deserts found in the world are: (i) Cold Desert (ii) Hot Desert 

(b) In which continent is the Sahara desert located?
Answer
Sahara desert is located in Africa. 

(c) What are the climatic conditions of the Ladakh desert?
Answer
The climate of Ladakh is extremely cold and dry due to high altitude. The air at this altitude is so thin that the heat of the sun can be felt intensely.

(d) What mainly attracts tourists to Ladakh?
Answer
Natural beauty, the gompas, treks to see the meadows and glaciers, witnessing ceremonies and festivities mainly attracts tourists to Ladakh.

(e) What type of clothes the people of the Sahara desert wear?
Answer
The people of the Sahara desert wear heavy robes as protection against dust storms and hot winds. (f) Name the trees that grow in Ladakh.
   
Answer
Trees that grow in Ladakh are Groves of willows and poplars, fruit trees such as apples, apricots and walnuts bloom.

2. Tick the correct answer.
(i) Sahara is located in which part of Africa? (a) eastern (b) northern (c) western ? (b) northern 
(ii) Sahara is what type of desert (a) cold (b) hot (c) mild? (b) hot
(iii) The Ladakh desert is mainly inhabited by (a) Christians and Muslims (b) Buddhists and Muslims (c) Christians and Buddhists? (b) Buddhists and Muslims
(iv) Deserts are characterised by (a) scanty vegetation (b) heavy precipitation (c) low evaporation ? (a) scanty vegetation
(v) Hemis in the Ladakh is a famous (a) temple (b) church (c) monastery  ? (c) monastery 
(vi) Egypt is famous for growing (a) wheat (b) maize  (c) cotton ? (c) cotton

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

4. Give reasons. (i) There is scanty vegetation in the deserts. (ii) People of the Sahara desert wear heavy robes.
Answer (i) There is scanty vegetation in the deserts due to unfavourable climatic conditions for the flora world to grow. The desert either have extreme heat or extreme cold climate and receives low rainfall which is not suitable for vegetation to grow. (ii) People of the Sahara desert wear heavy robes as protection against dust storms and hot winds. Sahara is a hot desert therefore dust storms and hot winds of containing sands is common there. It also help them in protection from Sun.