Divided longitudinally into the Trans-Himalayas, Greater Himalayas (Himadri), Lesser Himalayas (Himachal), and Outer Himalayas (Shiwaliks).
Non-perennial, rain-fed, mature valleys with fixed courses.
Connects the Persian Gulf with the Gulf of Oman. Key corridor for global oil transport. Bab-el-Mandeb: Connects the Red Sea with the Gulf of Aden. Global Grasslands Steppes: Eurasia (Temperate) Prairies: North America (Temperate) Pampas: Argentina (Temperate) Veld: South Africa (Temperate) Downs: Australia (Temperate) Savanna: East Africa (Tropical) Part 4: High-Yield Revision Matrix Topic / Feature Key Identification Indicator Frequent CDS Question Angle Troposphere Altitude: 0-18 km; Normal Lapse Rate Layer where all active weather occurs Khadar Soil Fresh flood deposits; high organic content Highly fertile soil type, ideal for intensive crops Western Ghats Continuous chain; block-faulted topography Gap tracking questions (Thal, Bhor, Pal) Narmada River Westward flow; flows through a rift valley Identifies as an estuary-forming river Strait of Malacca Located between Sumatra and Malaysia High-traffic maritime strategic choke point
Formed under high pressure and temperature changing existing rocks (e.g., Marble, Quartzite). 2. Climatology Structure of the Atmosphere:
Atmosphere structure, pressure belts, wind systems (trade winds, monsoons), cyclones, and climate types.
Landforms created by rivers, glaciers, winds, and waves. 2. Indian Geography (High Priority)
Contains the ozone layer; ideal for flying jet aircraft due to lack of weather disturbances.
Use reputable educational websites that offer updated, exam-relevant, concise summaries designed for quick revision. Effective Revision Strategy Read NCERTs First: Build concepts.
: The ocean floor features unique topography, including the Continental Shelf, Continental Slope, Deep Ocean Floor (Abyssal Plains), and Oceanic Trenches (e.g., Mariana Trench).
: Divided into three distinct chemical layers: Crust (outermost, solid), Mantle (semi-solid, containing the asthenosphere), and Core (outer liquid core, inner solid core made of Iron and Nickel/Nife).
Plates slide past each other horizontally (e.g., San Andreas Fault). Rocks: Classified into three main types:
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