Factors Affecting population distribution and density

Physical factors affecting population distribution Relief Rough mountains and hills are unsuitable for the construction of highways, railways, and agriculture because of the short growing season, The lack of cultivable land and snowy winters do not encourage population settlement. The mountainous areas do not support a large population. On the other hand, the low lands … Read more

Sex Ratio upsc

Composition of Population Composition of Population includes sex ratio, literacy rate, age pyramids etc. Sex Ratio The sex ratio is the ratio of males to females in a population. Sex Ratio Sex ratio is the ratio of males to females in a population. Qatar is the number one among countries with the highest male to … Read more

Population terms and concepts

Population A group of individuals of the same species that occupies a particular geographic area. People The member of a particular nation, community, or ethnic group Crude Birth Rate or Natality Rate The number of live births per thousand people in a year. Net Migration Rate N = 1000 × (I – E) / P … Read more

Population growth rate by country

Regional division on the basis of growth rate On the basis of the growth rate of a population the world can be divided into the following three types of areas: Areas of Low Growth Rate Developed countries like the US, Canada, Japan, Australia, New Zealand, and countries of western Europe have a low growth rate … Read more

World population growth causes and consequences

When agriculture was introduced about 8000 to 12000 years ago, the population was small, roughly about 8 million. In the first century (C.E) it was below 300 million. Causes of Population Explosion World trade expanded during the 16th and 17th centuries, setting the stage for rapid population growth. During, the dawn of the Industrial revolution … Read more

Current events for Tnpsc Group 4

Current events for Tnpsc Group 4

What are Current events? Current events include important political or social events that happen right now. Also, it includes those events and issues of interest currently found in the news. What are the topics to cover in current events for the Tnpsc, Upsc and other service exams? History – Revenue system, Land reforms Index and … Read more

Human resource development in India Upsc

Human resource development in India Upsc

Human Resource Development The term ‘Human Resource Development or HRD’ is used in different contexts and with various meanings. According to F.H.Harbison, human resources are “the energies, skills, talent, and knowledge of people which are, or which potentially can or should be applied to the production of goods or the rendering of useful services”. In … Read more

A Detailed Study of Crops in India for Upsc

Crops in India Farming in India is mostly food crops. Foods include Rice, Jowar, Wheat, Bajra, Maize, Barley, Ragi, Gram, and Tur. Rice Rice is an indigenous crop in India and India is the second-largest rice producer in the world after China. It is mainly grown in tropical areas, where the mean temperature is 24 … Read more

Democratic socialism in India Upsc

Democratic socialism in India Upsc

When India got independence, there were many problems that the nation had to handle. One among these problems was which would be the best strategy for long-term development. Jawaharlal Nehru was the architect of planning in India. He was inspired by the Soviet model of planning and was also inspired by the liberal principles of … Read more

Social justice in Indian Constitution Upsc

Social justice in Indian Constitution Upsc

Article 38(2) states “The State shall, in particular, strive to minimize the inequalities in income, and endeavor to eliminate inequalities in status, facilities, and opportunities, not only amongst individuals but also amongst groups of people residing in different areas or engaged in different vocations”. This was kept in mind by the planners in formulating each … Read more

* * All the Notes in this blog, are referred from Tamil Nadu State Board Books and Samacheer Kalvi Books. Kindly check with the original Tamil Nadu state board books and Ncert Books.