## 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

## Percentage

Important Formulas – Percentage PercentagePercent means for every 100 So, when percent is calculated for any value, it means that we calculate the value for every 100 of the reference value. percent is denoted by the symbol %. For example, x percent is denoted by x% x%=x/100Example : 25%=25/100=1/4 To express x/y as a percent, we have x/y=(x/y×100)%Example … Read more

## Applications of Science and Technology in Social and Economic development

Professor Freeman J. Dyson, of Institute of Advanced Studies, Princeton, in his book “Infinite in all Directions,” had this to say about Technology: “Technology is a gift of God. After the gift of Life, it is perhaps the greatest of God’s gifts. It is the mother of civilization, of Arts and of Sciences. Technology … 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

## The Environment – development debate

Environmental influences are important both at the prenatal and postnatal stages of human development. At the prenatal stage, when a fetus is in the mother’s womb,  internal or external harmful agents, such as certain legal or illegal drugs, alcohol, lead and pollutants can harm the unborn baby’s development. The mother’s nutrition, diseases and emotional stress … Read more

## Solid Waste Management

Solid Waste Management; Types of Solid waste Management; Factors affecting Solid Waste Generation Solid Waste Management Solid waste management is basic public services which every citizen should have access to, both for health and hygiene, and for ensuring a good quality of living. Sanitation here refers to toilet facilities, whereas solid waste management refers to … Read more

## Financial and Banking sector reforms

The Banking System at the time of independence was largely urban oriented and remained out of reach of rural population. Commercial Banks mostly confined their lending to trade, commerce and industry and treated agriculture as a non priority. Security- oriented lending was the order of the day. Banks did not pay any attention to the … 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