BPSC Prelims and Mains Notes, BPSC Test Series
Metallurgy concentration, roasting, smelting Roasting It is a process wherein the ore is heated either alone or with some other material in excess of air below the fusion point of the ore. Usually, this method is used for sulphide ores. In roasting, definite chemical changes take place to form oxide or chloride of the metal. … Read more Metallurgy concentration, roasting, smelting
Refining of ores Metallurgy Metallurgy Metallurgy is the process of obtaining metals from ores. It may be defined as the processes which are involved in the extraction of metals from their ores and then refining them for use are known as metallurgy. Steps of Metallurgy: Metals can be extracted from their ores by following processes: Enrichment of … Read more Refining of ores Metallurgy
Railway,Roades And Ports of India Impact on The Indian economy The Indian Railways contributes to India’s economic development, accounting for about one per cent of the GNP and the backbone of freight needs of the core sector. It accounts for six per cent of the total employment in the organised sector directly and an additional … Read more Railway,Roades And Ports of India
Reasonable restrictions on fundamental rights and right to property Fundamental Rights are the basic rights of the people and the charter of rights contained in Part III of Constitution of India. It guarantees civil liberties such that all Indians can lead their lives in peace and harmony as citizens of India. These include individual rights … Read more Reasonable restrictions on fundamental rights and right to property
Provisions of SC/ST Atricities act, The Scheduled Castes and Tribes (Prevention of Atrocities) Act, 1989 is an Act of the Parliament of India enacted to prevent atrocities against scheduled castes and scheduled tribes. The Act is popularly known as POA, the SC/ST Act, the Prevention of Atrocities Act, or simply the Atrocities Act. Article 17 … Read more Provisions of SC/ST Atricities act
Planning commission and national development council Planning commission The Planning Commission was an institution in the Government of India, which formulated India’s Five-Year Plans, among other functions. Background Rudimentary economic planning, deriving from the sovereign authority of the state, was first initiated in India in 1938 by Congress President and Indian National Army supreme leader … Read more Planning commission and national development council
National women’s commission It is said that the best way to know about society, a civilization and a culture, try to know as much possible about the women. In India, women have come a long way from the rare women scholars and sages of the Vedic age to the women in different sectors of society … Read more National women’s commission
Sound is a longitudinal wave, in which the particles oscillate to and fro in the same direction of wave propagation. Sound waves cannot be transmitted through vacuum. The transmission of sound requires at least a medium, which can be solid, liquid, or gas. Newton to derive a relation for the velocity of sound in a gaseous … Read more Mechanical waves- audible, infrasonic, and ultrasonic, their main characteristics
India has a long land frontier and coastline. It shares boundaries with Pakistan, Nepal, Bhutan, China, Bangladesh, Myanmar (Burma) and Sri Lanka. India has official political relations with most nations. India is considered as the world’s second most populous and democratic country. Foreign policy of India has always regarded the concept of neighbourhood as … Read more India and Its Neighbors
Objects having characteristics of cellular organization, growth, reproduction, ability to sense environment and give response are living organisms. There are some important features of living organisms: It should grow, which means its structure changes as time goes by in an advantageous manner. It should show adaptation to the environment. It should maintain some balanced … Read more Plants and mankind, characteristics of plants, structure and function of plant cells and organelles;