MP Board Class 7th Social Science Solutions Chapter 28 Asia: Physical Features
MP Board Class 7th Social Science Chapter 28 Text Book Questions
Fill in the blanks:
- The largest continent in the world is …………….
- ……………… is the highest mountain peak of the world.
- The plains of Northern part of Asia is known as ……………….
- The plateau which lies in the ……………… central part of Asia is known as the roof of the world.
- High pressure area is formed in …………… the part of Asia during winters.
- …………… receives the highest rainfall in the world.
- Mount Everest
- Siberian Plain
MP Board Class 7th Social Science Chapter 28 Short Answer Type Questions
Which oceans surround the continent of Asia?
The continent of Asia is surrounded by oceans on three sides. The Arctic Ocean in the north, the Pacific Ocean in the east and the Indian Ocean lies to the south of the continent.
Write the names of any two mountains and any two plateaus of Asia.
Name of two mountains:
- Ural Mountains
- The Central Mountains Name of two plateaus
- The Pamir plateau
- The Tibetan Plateau.
Into how many physical features do we divide the continent of Asia? Write their names.
The continent of Asia can be divided into five physical features. Their names are:
- The northern lowlands
- The central mountains
- The southern plateaus
- The great river valleys
- The island groups.
Write any two factors which influence the climate of Asia.
The two factors which influence the climate of Asia:
- Its vast size.
- Great latitudinal extent in the central mountains and plateaus.
Write any two differences between the vegetation found in the Northern and Southern part of Asia.
Two differences between the vegetation found in the Northern and Southern part of Asia is:
1. The Northern part of Asia experiences extreme cold. But its Southern part has evergreen climate.
2. The vegetation found in the North empart are lichens, jherberi, mosses etc. which can withstand the extreme cold. The vegetation found in die Southern part are evergreen trees like spruce, fir and pine.
MP Board Class 7th Social Science Chapter 28 Long Answer Type Questions
Describe in detail the relief of the continent of Asia.
The continent of Asia consists of the highest mountain ranges, lowlands and plains. It maybe divided into five major.
1. The North Lowlands:
It is a vast plain which extends between the Ural Mountains in die west, Lena river in the east and the Central Mountains in the south, known as the ‘Siberian Plain’, it is drained by rivers like Ob, Yenisei and Lena Lake Baikal, die deepest lake of die world is located in Siberia.
2. The Central Mountains:
The folded mountains and plateaus lie in the south of the northern lowlands. The Pamir plateau is a meeting place of several ranges, which form the Pamir knot This plateau is known as die ‘Roof of the World’, because it is the highest plateau in the world. The Tibetan plateau lies to the east of the Pamir plateau. Himalayas are the highest mountain ranges of the world. Mount Everest is situated in the Himalayas.
3. The Southern Plateaus:
To the south of the central mountain belt, there’ are some plateau which form the major part of the peninsula projecting southwards from the mainland of Asia. These plateaus are the plateau of Arabia, the Deccan plateau and the plateau of Yunnan.
4. The Great River Valleys:
To the east and south of Asia are found riverineplains. In the south are the Sindhu, Ganga, Brahmaputra plains, in the southeast are the plains formed by rivers Irrawady, Salvin, Yang-Tse-Kiang, Sikiang, Minang- Mekong and Amursar.
5. The Island Groups:
Some groups of islands are situated to the south-east and east of the continent of Asia. There are three major island groups-Indonesia, Philippines and Japan.
Describe the climate and wild life of the continent of Asia.
The southern part of the continent is situated near the equator and hence, remains hot and humid throughout the year. The northern part remains covered with snow as it is situated away from the equator.
During the summer season die rays of the sun falls vertically on the Northern Hemisphere. The temperature rises and a low – pressure area is developed over Central Asia. The moisture laden winds start blowing from the seas to the low pressure. These winds are known as southwestern monsoon winds.
Asia experiences the cold weather season during Oct-Dec. in the North part of the Central mountains. High pressure builds over Central Asia The wind starts blowing from High pressure (Central Asia) to low pressure area (Southern Asia). Wild Life of Asia-In the northern part of Asia where die area is covered with snow throughout die year reindeer, polar bear, seal and whales are found.
In the south where die climate is hot and humid and deciduous forests are spread, lion, tiger, deer, elephants, wild buffaloes and rich rocuous etc. are die main wild life found. In die western dry and desert area sheep, goats, camel, ass and gazelle are found.
- The Pamir plateau
- The Deccan plateau
- The Himalayan mountains
- The Ural mountains
- The Ganga river
- Yang-Tie-kiang river
- The Siberian plateau
- The Ganga-Brahamaputra river
- The Indonesian group of islands
- Japan is group of islands.