NCERT solution class 7 Social Science chapter 10 Life in the Deserts

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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.

Answer:

(a) Hot and cold deserts are the two types of deserts found in the world.
(b) The Sahara desert is located in the African continent.
(c) The altitude in Ladakh varies from about 3000 to 8000 m. Due to its high altitude the climate is extremely cold and dry. The air at this altitude is so thin that the heat of the sun can be felt intensely. The day temperatures in summers are just above zero degree and the night temperatures are well below −30°C. It is freezing cold in the winters, with the temperatures remaining below −40°C for most of the time. As it lies in the rain shadow of the Himalayas, there is little rainfall, as low as 10 cm every year. The area experiences freezing winds and burning hot sunlight.
(d) The Buddhist monasteries with their traditional gompas, the meadows and glaciers, and the ceremonies and festivities of the people are some of the things that attract tourists to Ladakh.
(e) The people of the Sahara desert wear long, loose-fitting, heavy robes, and head wrappings.
(f) Willows, poplars, and fruit trees such as apples, apricots and walnuts are some of the trees that 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

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

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

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 defined as an arid region characterised by extremely high or low temperatures, and very low rainfall. Due to the extreme climatic conditions, there is scanty vegetation in deserts
(ii)The people of the Sahara desert wear long, loose-fitting, heavy robes, and head wrappings. The loose-fitting clothes allow air to circulate, prevent the sweat from evaporating quickly, and help the body retain fluids. They also keep the body cool. The long, heavy robes and head wrappings protect an individual against the sun, dust storms and hot winds.