Origin and evolution of earth

    Beginning of the Universe started about 13.6 billion years ago,when the Big Bang created the universe from a point source. During this process, light elements, like H, He, Li, B, and Be formed. From this point in time, the universe began to expand and has been expanding ever since. Concentrations of gas and … Read more Origin and evolution of earth

HISTORY OF MODERN Uttarakhand after Independence

HISTORY OF MODERN Uttarakhand after Independence Until 1998, Uttarakhand was the name most commonly used to refer to the region, as various political groups including most significantly the Uttarakhand Kranti Dal (Uttarakhand Revolutionary Party est. 1979), began agitating for separate statehood under its banner. Although the erstwhile hill kingdoms of Garhwal and Kumaon were traditional rivals … Read more HISTORY OF MODERN Uttarakhand after Independence

Interior of earth,

  Most of the knowledge we have about Earth’s deep interior comes from the fact that seismic waves penetrate the Earth and are recorded on the other side.  Earthquake ray paths and arrival times are more complex than illustrated in the animations, because velocity in the Earth does not simply increase with depth. Velocities generally … Read more Interior of earth,

Major types of rocks and their characteristics

    They are aggregates or physical mixture of one or more minerals. Minerals on the other hand are made up of two or more elements in a definite ratio. They have a definite chemical composition. Crust is made up of more than 2000 minerals, but out of these, 6 are the most abundant and … Read more Major types of rocks and their characteristics

Divisions of Uttarakhand

Divisions of Uttarakhand Uttarakhand is divided into two administrative divisions.: Garhwal division Kumaon division Listing of divisions and districts:   Garhwal ·         Chamoli ·         Dehradun ·         Haridwar ·         Pauri Garhwal ·         Rudraprayag ·         Tehri Garhwal ·         Uttarkashi Kumaon ·         Almora ·         Bageshwar ·         Champawat ·         Pithoragarh ·         Nainital ·         Udham Singh Nagar      Garhwal Division, … Read more Divisions of Uttarakhand

Green Revolution in India

Green Revolution in India A term coined to describe the emergence and diffusion of new seeds of cereals. Norman-e-Borlaug is the Father of Green Revolution in the world, while Dr. M.S. Swami Nathan is known as the Father of Green Revolution in India. The new cereals were the product of research work and concentrated plant … Read more Green Revolution in India

POULTRY FARMING and SILVER REVOLUTION IN INDIA

POULTRY FARMING (SILVER REVOLUTION) IN INDIA practice of raising poultry, such as chickens, turkeys, ducks, geese, as a subcategory of animal husbandry, for the purpose of farming meat or eggs for food. requires small capital and provides additional income and job opportunities to a large number of rural population in the shortest possible time. The … Read more POULTRY FARMING and SILVER REVOLUTION IN INDIA

agriculture

the syllabus states that -mazor crops,cropping patterns in various parts of the country,different types of irrigation system,storage,transport and marketing of agricultural product,and issues related to constraints,e-tec hnology in the aid of farmers….the link for yojna January  2011 for agriculture is for dowloading dere would be a link as  download pdf also ncert geography land use … Read more agriculture

 Global warming

  An increase in the average temperature of Earth’s near surface air and oceans since the mid-20th century 4th assessment report of IPCC: global temperature increased 74+0.18 degree C during the 20th century. Caused by greenhouse gases Water vapour, Co2, Methane, Nitrous Oxide, Ozone, CFCs (in order of abundance) Since the industrial revolution, the burning of fossil fuels has increased … Read more  Global warming

Earthquakes

Earthquakes occur when energy stored in elastically strained rocks is suddenly released. This release of energy causes intense ground shaking in the area near the source of the earthquake and sends waves of elastic energy, called seismic waves, throughout the Earth. Earthquakes can be generated by bomb blasts, volcanic eruptions, sudden volume changes in minerals, … Read more Earthquakes