Goa Board Class 7 Solutions for Geography – Life in the Deserts (English Medium)
Page No. 76:
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 the people of the Sahara desert wear?
(f) Name the trees that grow in Ladakh.
Solution :
(i) Hot deserts and cool deserts are the two varieties of deserts found in the world.
(ii) The Sahara desert is located in Africa.
(iii) The altitude in Ladakh ranges from 3000 meters to 8000 meters. The climate is extremely cold and dry and since the air is thin, sunburns are a common occurrence. The day temperature during the summers is just above 0˚ C and the night temperature might go as low as -30˚ C. Winters are extremely cold with temperature remaining less than -40˚ C throughout. Ladakh is situated in the rain shadow of the Himalayas and hence receives as little as 10 cm rainfall per year. The region also experiences freezing winds and burning hot sunlight.
(iv) The natural beauty of Ladakh is best represented in the meadows and the glaciers. There are many Buddhist monasteries in Ladakh and the local people also participate in various festivals and ceremonies. These are the things that attract tourists to Ladakh.
(v) The people of the Sahara desert wear loose, long, heavy robes and head wrappings.
(vi) Poplars, willows and fruit varieties like apricots, apples and walnuts grow in Ladakh.
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
Solution :
(i) – (b) Northern
(ii) – (b) Hot
(iii) – (b) Buddhists and Muslims
(iv) – (a) Scanty vegetation
(v) – (c) Monastery
(vi) – (C) Cotton
Page No. 77:
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
Solution :
(i) – (d) Depressions with water
(ii) – (f) Sahara
(iii) – (a) Libya
(iv) – (c) Glacier
(v) – (b) Monastery
Question 4:
Give reasons.
(i) There is scanty vegetation in the deserts.
(ii) People of the Sahara desert wear heavy robes.
Solution :
(i) Deserts are characterised by extreme climatic conditions. They receive very low rainfall per year and temperature is either very high or very low. As a result, there is scanty vegetation in the desserts.
(ii) The inhabitants of the Sahara wear long, loose, heavy robes and head wrappings. Such clothes allow air to circulate over their bodies, prevent the evaporation of sweat and help the body in retaining its fluids. Apart from keeping the body temperature relatively low, the robes also protect the individual from the sun, hot winds and dust storms which are a common occurrence in Sahara desert.
Question 5:
Map Skills:
- On the outline map of Africa, mark the Sahara Desert and any four countries around it.
- On the outline map of India, mark the Karakoram Range, Zanskar Range, Ladakh and Zoji La pass.
Solution :