Notes and Study material for Exams
The Zero-Hour Economy: A Precarious Balancing Act The world of work is changing rapidly, driven by technological advancements, globalization, and a growing demand for flexibility. One of the most prominent shifts is the rise of the “zero-hour contract,” a flexible employment arrangement that has become a defining feature of the modern economy. This article delves … Read more
Electric current Ohm’s law and Resistance Electrical current is the flow of charged particles. The flow of charges will be constant in current electricity. Electric current flows from higher electric potential to lower electric potential. For the current to flow, it requires a circuit which is closed loop of a conducting material. … Read more
The thrust of the Scientific Policy Resolution, 1958 was on capacity-building in advancement of science as the foundation for making a strong nation, which had just freed itself from the shackles of colonial domination . The focus of the Technology Policy Statement, 1983 was attainment of technological self-reliance and building of national strength by reducing … Read more
The Protein Revolution: Redefining Nutrition for a Changing World The world is undergoing a protein revolution. This isn’t just about a growing preference for protein-rich diets; it’s a fundamental shift in how we understand and consume protein, driven by a confluence of factors: A burgeoning global population: With an estimated 9.7 billion people on Earth … Read more
The Majestic Rise of Fold Mountains: A Journey into Earth’s Wrinkles The Earth’s surface is a tapestry of diverse landscapes, sculpted by the relentless forces of nature. Among these, fold mountains stand as majestic testaments to the planet’s dynamic history. These towering ranges, characterized by their distinctive folded structures, are a product of immense pressure … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> The nervous system is a complex collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body. It is essentially the body's electrical wiring. Structurally, the nervous system has two components: the central nervous system and the peripheral nervous … Read more
Universalizing Science and Technology Literacy Scientific and technological literacy, in its broadest sense, means much more than simply being able to read, understand and write about science and technology, however important these are. STLalso includes the ability to apply scientific and technological concepts and process skills to the life, work and culture of one’s own … Read more
Circulatory System v The circulatory system can be compared to a system of interconnected, one-way roads that range from superhighways to back alleys. v Like a Network of roads, the job of the circulatory system is to allow the transport of materials from one place to another. v As described in Figure below, … Read more
DNA: STRUCTURE DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the … Read more
Bhabha Atomic Research Center (BARC), Mumbai Nuclear research in India began in 1945 with the founding of the Tata Institute of Fundamental Research (TIFR) under the Leadership of Homi Jehangir Bhabha. With the creation in 1954 of the Atomic Energy Establishment at Trombay and the Department of Atomic Energy (DAE), Bhabha and all scientists working … Read more