Energy from Oceans- Tidal Energy, Wave Energy and Oceanic Thermal Energy
Ocean is a vast natural resource of water. These have also been examined in the search for alternate sources of energy-generation. For example, graviRead More…
About the Author
Hunger, Famine, and Nutritional Deficiency Diseases
The state of getting no food is called as hunger or starvation. This is the result of poverty. Who are hungry? Well, large numbers of men, women Read More…
Questions for JTET/CTET
1.Chlorophyll is the chemical compound of- (1).iron  Read More…
People’s Movements to protect forests
There have been a number of environmental movements in India through which people have been protesting for conservation of forests and other natural Read More…
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, PyrolyRead More…
Biomass Energy and its implications
The dry weight of organic matter produced by plants, their derivatives and wastes are called as BIOMASS. The biomass includes crop residues, plant paRead More…
All about wind energy
The Wind is Air in Motion. It is caused by differential heating of land, water, hills and mountain slopes by sun rays. About 25 % (i.e., 0.34 KW/m2) Read More…
Food spoilage and preservation
Food spoilage is the undesired process through which the quality of food deteriorates to a point that it no longer remains fit for eating. Such a fooRead More…
Components and sources of food
The food eaten by any one comprises many different components like – Carbohydrates, Proteins, fats, Minerals, and Vitamins and water. For humans anRead More…
Leaf fall and Compost making
Plants and trees shed their leaves from time to time. This happens due to a number of reasons. From some plants and tree leaves continue falling throRead More…