Heredity and Evolution

Evolution, simply put, is descent with modification. This definition encompasses small-scale evolution (changes in gene frequency in a population from one generation to the next) and large-scale evolution (the descent of different species from a common ancestor over many generations). Evolution helps us to understand the history of life. Evolution is not simply a matter … Read more

Electricity and Magnetism

Current Electricity Electric current is the rate of flow of electric charge through a conducting medium with respect to time. It is caused by drift of free electrons through a conductor to a particular direction.Charges in motion constitute an electric current. Such currents occur naturally in many situations. Lightning is one such phenomenon in which … Read more

Information and communication technology

Information and communication technology We are in a digital era. It is difficult to think of any event in our daily life that is not using Information and Communication Technology. Our schools and classrooms are no exceptions. This course is meant for introducing you with these technologies with the intension that you meaningfully integrate technology … Read more

Biotechnology

Biotechnology is defined as the industrial application of living organisms and their biological processes such as biochemistry, microbiology, and genetic engineering, in order to make best use of the microorganisms for the benefit of mankind. Modern biotechnology provides breakthrough products and technologies to combat debilitating and rare diseases, reduce our environmental footprint, feed the hungry, … Read more

Current status of alternative sources of energy and their future prospects

Current status of alternative sources of energy Alternative energy is any energy source that is an alternative to fossil fuel. These alternatives are intended to address concerns about such fossil fuels, such as its high carbon dioxide emissions, an important factor in global warming. Marine energy, hydroelectric, wind, geothermal and solar power are all alternative … Read more

Economic reforms in india

Economic reforms in india New Industrial Policy Under Industrial Policy, keeping in view the priorities of the country and its economic development, the roles of the public and private sectors are clearly decided. Under the New Industrial Policy, the industries have been freed to a large extent from the licenses and other controls. In order … Read more

Infrastructural development and issues

Advance Infrastructure Good quality infrastructure is critical to sustainable growth, especially for rural areas. As over 60 per cent of the population lives in rural areas, with low levels of per capital income, there is need to impart greater attention in improving rural infrastructure. Currently the rural infrastructure is inadequate to support over 600,000 villages. … Read more

Poverty and Unemployment

The World Bank defines poverty in absolute terms. The bank defines extreme poverty as living on less than US$1.90 per day> (PPP), and moderate poverty as less than $3.10 a day. Types of Poverty Absolute poverty measures poverty in relation to the amount of money necessary to meet basic needs such as food, clothing, and … Read more

Regional Imbalances and Migration

Regional imbalances and income inequalitiies in India: Steps taken by the Government to reduce it. Regional imbalance is the disparity in economic and social development of two regions. One region/city/area is stronger than another region/city/area. Regions develop when investments are made to set up industries, service sectors, educational institutions, health care facilities etc. Income inequality is the unequal distribution of … Read more