Category: Geography

Classification of Soils in India

Classification of Soils in India: Important Facts Soil is the uppermost layer of the earth’s crust capable of supporting life. Soil is the most important renewable natural resource. The major factors affecting the formation of soil are relief, parent material, climate, vegetation, and other life-forms and time. Besides these, human activities also influence it to

Volcanoes and Rocks:

Volcanoes and Rocks: Important Facts Volcano: A small opening in the Earth’s surface from where lava, ash, dust, rock fragments, and other pyroclastics (very hot) material is ejected up to 1000 m in the sky. On the other hand, volcanism is the process through which magma and other pyroclastics material move from the heated interior

Renewable and Non-Renewable Energy Sources

Energy Sources- Important Facts: Energy is required for all activities. It is needed to cook, to provide light and heat, to propel vehicles, and to drive machinery in industries. Energy sources can be classified as renewable and non-renewable resources. Renewable Resources: Also called a non-conventional source of energy. Renewable resources can be generated continuously in

Indian Agriculture

Agriculture is the process of producing food for people, fodder for cattle, fiber and many other desired products by the cultivation of certain plants and the raising of domesticated animals (livestock). India is an agriculturally important country. Two-thirds of its population is engaged in agricultural activities. It is a primary activity. Types of Farming: Primitive

Atmosphere and its Structure:

Atmosphere and its Structure: Our earth is surrounded by a vast envelope of air known as the Atmosphere. It is held to the earth’s surface by its gravity. The air is composed of tiny molecules of gases. A molecule is the smallest particle of a substance. These molecules move randomly in all directions in the

Structure of the Earth

Structure of the Earth: Important Facts Important Terms: Geology- It is the science that deals with nature and earth history. Example- the study of rocks and stones; how the earth was formed, etc. Physiography– It is the study of physical patterns and processes of the earth. Endogenic Forces– Horizontal and vertical movements caused by the

Physiography Of India (Himalayas)

Physiography of India- Himalayas Geological Divisions: A geological period is one of the several sub-divisions of geologic time enabling cross-referencing of rocks and geologic events from place to place. These periods form elements of a hierarchy of divisions into which geologists have split the earth’s history. The variations in the geological structure and formations leads

NIOS Book: Geography

Download National Institute of Open Schooling (NIOS Book) For IAS Exam The Study of Geography as a Discipline Nature of Geography as a discipline. Changing Face of the Earth Earth’s interior and its Material. Dynamic surface of the earth.  Evolution of Land forms due to internal forces.  The work of running water and underground water.

NIOS Environmental Science

NIOS Environmental Science Book For IAS Exam Environment through Ages Origin of Earth and Evolution of the Environment. Environment and Human Society. Degradation of Natural Environment.   Ecological Concepts and Issues Principles of Ecology. Ecosystem. Natural Ecosystem. Human Modified Ecosystems.  Human Impact on Environment Human societies.  Deforestation.  Contemporary Environment Issues Environmental Pollution. Environment and Health.

NIOS Environmental Science (Hindi): IAS

NIOS Environmental Science Book For IAS Exam पर्यावरण युगों तक पृथ्वी का उद् भव एवं पर्यावरण का विकास. पर्यावरण एवं मानव समाज. प्राकृतिक पर्यावरण का अवक्रमण.    पारिस्थितिकी संकल्पना के मुद्दे पारिस्थितिकी के सिद्धांत. पारितंत्र. प्राकृतिक पारितंत्र. मानव रूपांतरित पारितंत्र.   पर्यावरण पर पड़ता मानव का प्रभाव मानव समाज. वनोन्मूलन. सामाजिक पर्यावरणीय मुद्दे पर्यावरणीय प्रदूषण.