Notes and Study material for Exams
Prehistoric period :- Races and culture The distant past when there was no paper or language or the written word, and hence no books or written document, is called as the Prehistoric period. It was difficult to understand how Prehistoric people lived until scholars began excavations in Prehistoric sites.Piecing together of information deduced … Read more
Broad Physical Feature: Mountains, Plateaus, Plains, Lakes and Glaciers:- Landforms are the natural features and shapes existent on the face of the earth. Landforms possess many different physical characteristics and are spread out throughout the planet. Together, landforms constitute a specific terrain and their physical arrangement in the landscape forms what is … Read more
Three Geological divisions: The peninsular block The Himalayas and other Peninsular Mountains Indo-Ganga-Brahmaputra Plain Peninsualar block is made of gneisses (metamorphic) and granites (igneous). Six physiographic divisions: The Northern and North-eastern Mountains The Northern Plain The Peninsular Plateau The Indian Desert The Coastal Plains The Islands Northern and North-Eastern Mountains Approximate length of the … Read more
Biome The terrestrial part of the Biosphere is divisible into enormous regions called biomes, which are characterized, by Climate, vegetation, animal life and general Soil type. No two biomes are alike. The most important climatic factors are temperature and Precipitation. Tundra– Northern most region adjoining the ice bound poles. Devoid of trees except stunted shrubs … Read more
Natural Ecosystem- Terrestrial- Forests, Grasslands, Deserts Aquatic- Fresh Waters, Saline Waters, Marine Waters Ecotone :- a zone of junction between two or more diverse Ecosystems. For e.g. the mangrove forests represent an ecotone between marine and terrestrial ecosystem. Characteristics of Ecotone It may be very narrow or quite wide. It has the conditions intermediate … Read more
Cold Winds: A Symphony of Nature’s Fury The wind, a force of nature both gentle and fierce, can transform landscapes, shape ecosystems, and influence human lives in profound ways. While warm breezes evoke images of summer days and gentle rustling leaves, cold winds carry a different kind of power, a raw and untamed energy that … Read more
Solifluction: The Slow, Silent Movement of Soil The Earth’s surface is in constant motion, sculpted by forces both dramatic and subtle. While earthquakes and volcanic eruptions capture our attention with their sudden violence, a quieter, more insidious force shapes the landscape: solifluction. This process, a slow, continuous downslope movement of saturated soil, plays a crucial … Read more