Paper I · 4 Geography of India & AP · APPSC Paper I
4.2.2 Physiography notes
11 notes, in reading order.
- 4.2.2.1Physiographic divisions of India: an overview
India's relief falls into six physiographic divisions, each with its own age, structure and landforms: the Himalayas, the Northern Plain, the Peninsular Plateau, the Indian Desert, the Coastal Plains and the Islands.
Standard · 6 min · Full course - 4.2.2.2Formation of the Himalaya and its significance
The Himalaya rose where the northward-moving Indian plate collided with the Eurasian plate and crumpled the sediments of the old Tethys Sea, and it is still rising.
Standard · 6 min · Full course - 4.2.2.3Himalayan ranges: Trans-Himalaya, Greater, Lesser and Shiwalik
The Himalaya is a set of parallel ranges: the Trans-Himalaya in the far north, then the Greater Himalaya (Himadri), the Lesser Himalaya (Himachal) and the Shiwaliks in the south.
Standard · 6 min · Full course - 4.2.2.4Regional divisions of the Himalaya and the Purvanchal hills
The Himalaya is split into four regions by river valleys, from the Indus in the west to the Dihang in the east, and beyond it the ranges turn south as the Purvanchal.
Standard · 5 min · Full course - 4.2.2.5Himalayan passes: west to east
Himalayan passes are the gaps in the high ranges that carry roads and trade, and exam questions ask which range or state each one sits in.
Standard · 5 min · Full course - 4.2.2.6Northern plains: Bhabar, Terai, Bhangar and Khadar and regional divisions
The Northern Plain is a vast, flat alluvial lowland laid down by the Indus, Ganga and Brahmaputra, and it splits from north to south into Bhabar, Terai, Bhangar and Khadar.
Standard · 5 min · Full course - 4.2.2.7Peninsular plateau: Central Highlands, Deccan Plateau and Chotanagpur
The Peninsular Plateau is India's oldest and most stable landmass, a tableland of ancient rocks made of the Central Highlands in the north and the Deccan Plateau in the south, with outlying plateaus in the north-east.
Standard · 6 min · Full course - 4.2.2.8Western Ghats and Eastern Ghats compared
The Western Ghats are a high, continuous escarpment along the west coast; the Eastern Ghats are a lower, broken chain along the east, and the two meet at the Nilgiris.
Standard · 6 min · Full course - 4.2.2.9The Thar Desert: features and formation
The Thar (Great Indian Desert) is a dry, dune-covered plain west of the Aravali range, shaped by wind, once under the sea, and drained by hardly any permanent rivers.
Standard · 5 min · Full course - 4.2.2.10Coastal plains of India: western and eastern coasts
India has a narrow, submerged coast on the west and a wider, emergent, delta-rich coast on the east, and the difference decides where ports and rice lands lie.
Standard · 6 min · Full course - 4.2.2.11Islands of India: Andaman and Nicobar and Lakshadweep
India's two island groups are volcanic and mountainous in the Bay of Bengal (Andaman and Nicobar) and purely coral in the Arabian Sea (Lakshadweep).
Standard · 6 min · Full course
Practise Physiography. Questions with answers explained, from the same topics.
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