Ecological Niche and Ecological Habitat
Dictionary defines the term Niche as a comfortable or suitable position in life of a living being, or a role taken by a type of organism within its community.
Ecological niche and habitat
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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…
Natural Resources and Their Types
Natural resources constitute both living and non-living resources. Non-living resources are renewable and non-renewable.
Dwindling Migratory Bird Population in Saranda
The Romance Sanctuary of Characters of Mahua Maji’s Novel- “Marang Goda Neelkanth Hua” the Saranda Forest of Jharkhand is also an undeclared Bird Sanctuary of Numerous native and Migratory Bird Species.
Human environment interaction
man is causing serious impacts on environment. Concrete jungles do not allow rain water to enter into the gound. As such water table is falling down.
Combating Global Warming and Climate Change
The Industrial Policy Initiative undertaken by the Central Government in July 1991, made the Indian Industry to compete on International Levels. As a result, an Industrial Licensing Policy was adopted in 1991. It was followed by a number of steps like Liberalization of Foreign Investment in Banking Sector, Technological Collaboration with other countries, Creation of Special Economic Zones and, Simplification of Industrial Licensing and Promotion of Exports etc.
Loss of Energy in the Food –Chain
About 1000J radiant energy comes to the earth from the sun. Out of this, only 10% of the total energy is used up by green plants in the process of Photosynthesis. Remaining 990J of energy escapes away into the atmosphere. 10J of energy is stored in the form of chemical energy in starch and sugars.
Rains in Nepal caused floods in Bihar
Rains in Nepal have always been responsible for floods in Bihar. Most of the rivers flowing through Bihar have their origins in Nepal. Since last three days Nepal is experiencing continuous rainfall. This is why villages in Bihar are being seriously flooded. What can be done?
Coordination in plants
Auxins move to darker side of the part of a plant and cause cells of that side to grow larger. These may induce cell division as well. In both of these cases the part of the plant bends.
Animal Husbandry and Milch Cattle
We rear and take care of animals to take their support in food production. Their systematic and proper rearing and also the arrangement for their proper reproduction and management are called as Animal Husbandry.
Phases of technological developments
There are three phases of development of technology- invention, innovation and diffusion. The invention is a process which incorporates wide range of ideas, material things, and human behaviour in new systematic ways.
Applications, Potential and Limitations of solar energy
There are various uses of Solar Energy. Farmers in Traditional Farming Communities used to solarise fields by living them empty after a deep ploughing during summers. It killed insects and pests. Human skin synthesizes vitamin-D when exposed to sunlight for short durations. Mothers used to make their babies sleep in the sun after oiling their bodies during winters in order to keep them healthy and strong.
