NCERT Solutions Class 7 Social Science (Geography)
The NCERT Solutions in English Language for Class 7 Social Science (Geography – Our Environment) Chapter – 9 (Life in the Deserts) has been provided here to help the students in solving the questions from this exercise.
Chapter – 9 (Life in the Deserts)
Exercises
1. Answer the following questions.
(a) What are the two types of deserts found in the world?
Answer – The two types of deserts found in the world are hot deserts and cold deserts.
(b) In which continent is the Sahara desert located?
Answer – The Sahara Desert is located in the continent of Africa. It covers a large part of North Africa.
(c) What are the climatic conditions of the Ladakh desert?
Answer – 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 winters is less than –40°C and the day temperature in summers is just above zero degrees.
(d) What mainly attracts tourists to Ladakh?
Answer – Tourism is a major activity, as plenty of tourists from India and abroad visit Ladakh every year. One of the main attractions are 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) What type of clothes do the people of the Sahara desert wear?
Answer – The people of Sahara Desert wear heavy robes as protection against dust storms and wind.
(f) Name the trees that grow in Ladakh.
Answer – Groves of willows and poplars are seen in the valleys. During the summers, fruit trees such as apples, apricots and walnuts bloom in Ladakh.
2. Tick the correct answer.
(i) Sahara is located in which part of Africa
(a) eastern
(b) northern
(c) western
Answer – (b) northern
(ii) Sahara is what type of desert
(a) cold
(b) hot
(c) mild
Answer – (b) hot
(iii) The Ladakh desert is mainly inhabited by
(a) Christians and Muslims
(b) Buddhists and Muslims
(c) Christians and Buddhists
Answer – (b) Buddhists and Muslims
(iv) Deserts are characterised by
(a) scanty vegetation
(b) heavy precipitation
(c) low evaporation
Answer – (a) scanty vegetation
(v) Hemis in the Ladakh is a famous
(a) temple
(b) church
(c) monastery
Answer – (c) monastery
(vi) Egypt is famous for growing
(a) wheat
(b) maize
(c) cotton
Answer – (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.
Answer – 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) People of the Sahara desert wear heavy robes.
Answer – People of the Sahara deserts wear heavy robes in order to protect themselves from the dust storms and hot winds.
