9. Life in the Deserts

 Chapter 09 Life in the Deserts

CLASS- 7 GEOGRAPHY 

NCERT Solutions for Class 7 Social science Chapter 9 9. Life in the Deserts.

   Question 1. Answer the following questions.

Question A. What are the two types of deserts found in the world?

Answer- Two types of deserts found in the world-

1.Hot Deserts -Sahara. 2.Cold Deserts – -Ladakh.

Question B. In which continent is the Sahara desert located?

Answer-  continent of Africa

Question C. What are the climatic conditions of the Ladakh desert?

Answer- Climate is extreme cold and dry.Due to high temperature, air is thin and the heat of the sun is felt intensely.

Summer Season:

1.Day temperatures are just above 0°C.

2.Night temperatures go down upto -30°C.

Winter Season:

1. It is freezing cold in winter.

2. Most of the period temperatures remain 40°C.

A..Rainfall is only 10 cm annually because of the area lying in the rainshadow region of the Himalayas.

B.Ladakh desert experiences freezing winds and burning hot sunlight during the day.

C. If one sits in the sun, and his feet in the shade he may suffer from sunstroke and frostbite at the same time.

 

Question D. What mainly attracts tourists to Ladakh?

Answer-  1. Gompas  2.Treks to see meadows 

3. Glaciers  4.Ceremonies and festivities.

 

Question E. What type of clothes do the people of the Sahara desert wear?

Answer- 1.Clothes made of the hair of the animals.

2.Heavy clothes as protection against dust storms and hot winds.

   

Question F. Name the trees that grow in Ladakh.
    Answer-  1.Willows and Poplars
     2. Fruit trees bloom during summers. Apples, Apricots,Walnuts

 

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 dessert?
(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 characterized by …………
(a) Scanty vegetation        
(b) heavy precipitation             
(iii) low evaporation

(v) Hemis in Ladakh is famous ………
(a) temple                          
(b) church                                
(c) monastery

(vi) Egypt is famous for growing
(a) wheat    
(b) maize                                   
(c) cotton

Answer- (i) (b) northern                              
 (ii) (b)  hot                                     
 (iii) (b) Buddhists and Muslims
(iv) (a) Scanty vegetation        
(v) (c) monastery
(vi) (c) cotton

Question 3.   Match the following-
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.
Answer- Because of extremely harsh temperatures and little rainfall.

(ii) People of the Sahara desert wear heavy robes.
Answer-) To protect themselves from the dust storms and hot winds.

Question 5.  Map skills.

(i) On the outline map of Africa, marks the Sahara desert.
(ii) On the outline map of India, mark the Karakoram Range, Zanskar Range, Ladakh and Zoji La pass.