Class 10 Social Chapter 1 Question And Answers
Chapter - 1
INDIA - RELIEF FEATURES
I Key Points:
India lies absolutely in the Northern Hemisphere of the globe.
India's terrain lies somewhere in the range of 80.41 and 370.61 North scopes and 680.71 and 970.251 East longitudes.
For India the focal longitude 820.301 East is taken as Standard Maridian.
India Standard Time (IST) is 5 ½ hours a head Greenwich Mean Time(GMT).
World land structures started from Angara land (Laurasia) and Gondwanaland.
The India promontory was essential for Gondwanaland.
India plate moved North - East and Collided Eurasian plate coming about the arrangement of the Himalayas.
More prominent Himalayas normal tallness is 6100 mts.
The Pirpanjal and Mahabharata ranges are in the piece of lesser Himalayas.
Valley of Kashmir, the Kangra and Kulu , Hill Stations Simla , Mussorie , Nainital, Raniket are in lesser Himalayas.
The Valleys lying between the Himachal and Shivaliks are Duns. The conspicuous Duns are Dehradun, Kotli Dun Patli Dun.
The eastern most limit of the Himalayas is the Brahmaputra valley.
The divisions of the Himalayas in Arunachal Pradesh past the Dihang valley is known as Purvanchal.
Territorially the purvanchal are known as patkai slopes, the Naga slopes, Manipuri slopes, Khasi and Mizo slopes.
The Himalayas are justification summer downpours and rainstorm type environment in India.
'Doab' signifies two waterways. In the western piece of incredible northern plain the 'Doab' highlights overwhelm the prolific land.
Ganga plain stretches out from the waterways Ghaggar to Teesta.
Rock and stone residue highlight is known as ' Bhabar' .
Damp and Marshy area called Terai.
The Southern most tip of the Peninsular Plateau is Kanyakumari .
The India Plateau is somewhat shifted towards east.
Chotanagpur level is rich mineral assets .
Western Ghats, Eastern Ghats and Nilgiris structure Western , Eastern and Southern limits to the Deccan level.
The celebrated slope Station Udagamandalam, famously known as Ooty, is situated in Nilgiris.
Doda Betta (2637 mts) is the most elevated top in western Ghats.
The most elevated top in Eastern Ghats is Aroya Konda found at Chinthapalli (1680 mts , in the A.P ).
The Peninsular level is shaped with dark soils because of volcanic action.
The Thar Desert is situated on the leeward side of Aravalis.
The Thar Desert gets exceptionally low measure of precipitation (100 to 150 mm each year)
'Luni' is the solitary waterway in the Thar Desert.
'Indira Gandhi Canal' is the longest channel in Country (650 kms) watering a piece of the Thar desert.
The western coast begins from the Rann of kutch and closures at Kanya Kumari.
Lake Kolleru and Pulicat are in Andhra Pradesh.
In Andaman and Nicobar, Narkondam and Barren are volcanic beginning.
The Southernmost tip India is found in Nicobar called as ' Indira Point' .
II Concepts
Perpetual: Continuing all through the whole year as a stream. The occasional pattern of gathering of ice, development and dissolving of Greater Himalayas.
Coral reefs: Under water Structure produced using calcium and carbonate emitted by corals. Corals is a creature that lives under the ocean on the bed and lives on a skeleton that it has made. Coral starts out as a little polpup and appends it self to a decent spot and afterward begins making a skeliton to live on coral gets food by green growth , green growth are pulled in to the skelital structure on the grounds that for the green growth to live.
Beach front Plains: A plain nearby a coast is called waterfront plain. The southern piece of the peninsular is borded by thin costal strips along the Arabian Sea on the west and the Bay of Bangal on the east.
Landmass: A Place/Piece of the which is encircled by water on three sides. However, associated the fundamental land as an afterthought. The peninsular level is a table land made out of the old glasslike, volcanic and transformative rocks. It was framed because of the breaking and floating of the Gondwanaland and consequently making it a piece of the most seasoned landmass.
Lauraisa: Laura sia was the northernmost of two landmasses that shaped piece of the Pangaea - very mainland from around 200 million years prior. World land structures started from two gaint lands to be specific Angara land ( Laurasia) and Gondwanaland.
Duns: The longitudinal valley lying among Himalaya and the shiwaliks are known as 'Duns' . Dehra Dum, kothi Dum and pathi Dum are a portion of the well - Known Duns.
Angaraland: The landmass toward the north of Tethys ocean was called Angara land . Old mainland mass comprised of current landmasses of Asia and Europe.
Gondwana land: The land mass toward the South of Tethys ocean was called Gondwanaland . Antiquated mainland mass comprised south America , Africa, India , Australia and Aritartica.
Shivalik: The Southern most scope of Himalayas . A mountain fury of the external Himalayas.
Purvanchal: In Arunachal Pradesh past the Dihang valley , the Himalayas take clasp twist toward the south and go about as eastern limit of India and go through the north eastern states. These division are known as "Purvanchal ".
Leeward: To wards the side protected from the breeze is leeward.
Questions and Answers
Which are the major physiographic divisions of India ? Difference the alleviation of the Himalayas area with that of the peninsular level?
I. The Major Physiographic divisions of India : The help divisions of India landmass can be partitioned in to the accompanying gatherings.
The Himalayas
The Indo - Gangetic plain
The Peninsular level
The beach front fields
The Desert (The Thar)
The Islands
The Himalayan district - The peninsular level:
The Himalayan Region
The Peninsular Plateau
1. The Himalayan Region is the northern boundary of India.
2. The most elevated mountain scopes of the world.
3. These are framed of the sedi mentary rocks.
4. They are framed at the edge of
the Indo - Gangetic palain.
5. May incredible peremial streams like
Indus, the Ganga and Brahmaputra
begin from the Himalayas.
6. In contrast with the level district Gangetic fields is wet.
7. Everest, K2, Kanchenjunge are significant mountain pinnacles of this district.
8. It has three equal reaches i.e,
Himadri , Himachal and Shivaliks.
9. Significant slope stations are found on
the Himalayas(like Shimla, Musso rie).
10. Kara Koram, Western and
Eastern Himalayas and purvanchal
ranges are found is this area.
1. The Indian level is otherwise called the peninsular level as it is encircled by the ocean on three sides. It is situated in the southern locale of our country.
2. The focal Highlands are framed of low slopes. There is no high pinnacle of world - wide distinction in these slopes.
3. It is fundamentally made out of the old glasslike, hard volcanic and transformative stone.
4. The western and Eastern Ghats from western and Eastern edges of the peninsular level.
5. The Godavari , The Krishna, The Mahanadi, The Tapati and the Narmada begin from these slopes. These streams are not perpetual.
6. In Comparison to Gangetic fields the plateam area is dry
7. Anaimudi, Dodabetta are the significant pinnacles of this district.
8. It has two divisions. They are the focal high terrains and the deccan level.
9. Udagamandalam - a slope station is found on these slopes.
10. Vindya , Satpura , western and eastern Ghats. Nilgiri slopes are found here.
What is the impact of the himalayas on Indian Agriculture?
Himalayas - Indian Agriculture:
The Himalayan streams have a perenial stream since these are taken care of the ice sheets and bring a ton of sediment making the indo-gangetic fields exceptionally ripe.
The Himalayas go about as hindrances shielding the incredible fields of India from the virus winds of focal asia during extreme winter. This aides Indian farming.
The Himalayas are justification summer downpours and rainstorm type environment is regioins that are past the western ghats of India.
The Himalayas go about as an immense repository of water for the North Indian waterways. These extraordinary waterways convey alluvium from the Himalayas that it advances farming creation.
This locale is appropriate for development of multi reason projects which give water system offices to Indian horticulture.
The sloper of the Himalayas offer terraced development tea planitation can be take up on the slope slants.
A wide assortment of liquid like apples, grapes, pecan, peaches, apricot and so forth, are likewise filled in the himalayas district hence,
The Himalayan district consistently support the Indian farming, which is the foundation of our economy.
Indo - Gangetic fields have high thickness of Indian farming?
The connection of the three Himalayan streams, Indus, Ganga, and Brahmaputra and their feeders brought about the development of the Indo-Gangetic fields.
Around 20 million years prior, it was a shallow bowl that was step by step loaded up with fluctuated alluvial soil that these streams brought from the himalayas. This alluvial soil is exceptionally fruitful and development of various sort of harvests.
The western part, the Punjab and Haryana fields has Derb highlights overwhelm the rich land between the two waterways.
The focal part, the ganga plain is primarily spread in the provinces of UP, Bihar and mostly in Haryana, Jharkhand and West Bengal. This territory is very prolific and superb for cultivating. This makes the Indo-gangetic plain a reasonable spot for Indian formers to develop rice and wheat.
The Eastern piece of the plain exists for the most part in the brahmaputra vally of Assom.
The Himalayas go about as an enormous resarvoir of water for the north Indian waterways. This locale is reasonable for the utilization of multipurpose ventures which fortifies the Indian agribusiness.
Tropical deciduous woodlands overwhelm the area which gives lumber, fuelwood, grub, therapeutic plants and center points and so forth,
Transport is all around created in Indo-gangetic fields. development of transport network is right off the bat in the fields.
The mountain zones with steep slops have scant populace however the plain zones gives the most appropriate land to human home.
Most level land is accessible for the development of houses just as for development. Inferable from movement at the hour of India's parcel. The vast majority of the terai zone has utilized for farming. Accordingly th