HEC to make Wind Turbines
The Heavy Engineering Corporation (HEC), Ranchi, Jharkhand has decided to make turbine for generating electricity from the Wind Energy. For this HEC has decided to take technology from the Sky Wind, a company of Germany.
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Overpopulation and its impact
A group of individuals of a particular species occupying a particular area at specific time is called as population. A species is a group of similar type of organisms that can interbreed under natural conditions. The interbreeding organisms of a species produce new organisms and finally result into the growth of population. This is true for all the life forms including human beings.
Causes and Impacts of Genetic Erosion
In the modern age of industrialization and competition for development, the human race has badly missed its traditions up to major extents and cultures- up to some extent.
Overpopulation in India
A group of individuals of a particular species occupying a particular area at specific time is called as population.
Biodiversity and its Importance
Biodiversity and other sources supply raw materials to many important industries. They have aesthetic value and appeal for ecotourism, which supports the growth of the national economy. They are also potential sources of pharmaceuticals, other chemicals, agricultural materials, etc.
Madua, a very nutritive coarse grain crop
Madua or ragi or finger millet which falls under coarse grain is a very nutritive diet. The Indian Government has declared an integrated policy to encourage the use of coarse grain. Through it is clear that importance of coarse grain is about to rise in near future.
Fern species that grow on old walls in
Ferns belong to Pteridophytes and grow on high altitudes in moist cold places. These don’t need any fertile soil. Since Ranchi or the most part of Jharkhand is located on high land its climate is rather different and somewhat similar to those area of mountains. The author reports here the two fern species that preferably grow in this region that too on old walls.
Forests and their types
A forest is a highly complex and constantly changing environment. It is made up of a variety of living things like wildlife, trees, shrubs, wildflowers, ferns, mosses, lichens, fungi and microscopic soil organisms; and non-living things such as water, nutrients, rocks, sunlight and air. Trees are the biggest part of this complex community.
Origin and Characteristics of a Family
The early man started his life as an individual. Gradually he came in contact with his fellows and he started developing a social life. At any period of human life it is hard to understand that a man ever remained in isolation. Thus this hypothesis does not cover the whole thing.
Pollution of atmosphere
The condition produced due to ‘substances put into air by the activity of mankind into concentration sufficient to cause harmful effects to his health, vegetables, property or to interfere with the enjoyment of his property’ is called as air pollution or the atmospheric pollution
Our Environment and its Components
Man is surrounded by various life forms, forces and conditions- both physical and biological. Sunlight, land, air and water form physical conditions whereas all the plants, animals, and microorganisms form biological conditions.
What is the interaction between members of the same species?
Living beings interact with each other, with members of other species, and with components of the abiotic environment in an…
