One More City Going Down towards Water Crisis
Dams have started drying in Ranchi, the capital of Jharkhand state of India.
City towards Water Crisis
Read Article
Relations among components of ecosystem and Food Chains
Green plants and trees that synthesize their own food are called as Autotrophs.Others who depend on them are called as Heterotrophs.
Dignity of Labour and Social Values
Dignity of labour means – all jobs are equal and no job should be considered as big or small.
Basic Concepts of Nutrition
According to the World Health Organisation (WHO) – Nutrition is the intake of food, considered in relation to the body’s dietary needs.
Biogas and Biogas Plant
Biogas is a mixture of 56% methane gas (CH4), 40% carbon dioxide (C02) and rest, a mixture of H2, H2S and N2. It is produced by digestion, Pyrolysis and hydro gasification in a specific plant called as Biogas Plant. Biogas plants are of various types like — Janata biogas plant, Dean Bandhu biogas plant, Khadi and Village Industries Corporation (KVIC) type biogas plant, Pragati Design biogas plant and Chinese biogas plant.
Ecosystem and its components
The total area where living beings are found is called as biosphere. It can be divided into many small independent units called as Ecosystem. In fact, the unit of biosphere which incorporates many types of microorganisms, plants and animals, physical factors like soil, water, air etc. interacting among themselves is called as ecosystem
Positive and Negative Interdependence among Organisms in Ecosystems
Interdependence between two species through which individuals of either one or both species benefit is called positive interdependence. The benefits to the individual of any species through this relationship may be continuous or transitory, obligate or facultative. Both partners in this type of relationship may be in close contact; one may be inside some specific area or attached to the surface of the other’s body. Positive interdependence is divided into three major types: mutualism, Commensalism, and proto-cooperation.
Adaptations to Environmental Changes
The conditions of a habitat remain changing abruptly and periodically. Abrupt changes in environment often do not give time to an organism to get ready and to face the challenges. As such the organism can survive only when it has sufficient abilities to tolerate these changes.
Books on Environmental Awareness by Dr. M. P. Mishra
Book Review S. CHAND’S ENVIRONMENTAL EDUCATION CLASS XI BY DR. M. P. MISHRA PURPOSE OF THE BOOK This book on…
Soil- its Conservation and Management
Soil is the loose material that covers the land surface of the earth, supports the growth of plants and acts as a habitat for numerous organisms.
Two Types of work
Works done inside houses include works related to livelihood, child rearing, some small scale industries, human services, office works and indoor plays etc
Landfilling and Incineration
Land-filling is the process of disposing solid waste in low lands or into trenches through proper sanitary methods. It involves- collection, transport, compaction, etc. processes along with proper management for gas-outlet etc. For land filling, the important thing to be taken into account is the distance of waste collection site to the waste dumping site, because it involves cost of transportation.
