GPSC Prelims and Mains Notes, GPSC Test Series
Introduction and application of genetic engineering Genetic engineering Genetic engineering, the artificial manipulation, modification, and recombination of DNA or other nucleic acid molecules in order to modify an organism or population of organisms. The term genetic engineering initially referred to various techniques used for the modification or manipulation of organisms through the processes of heredity … Read more
Technology with a Human Face Technology and the Human Race The human race has indeed gone far with technology. From the age when he still used wooden and stone tools to a powerful era of silicon and steel, he ceased to be a helpless prey to a number of predators to become a god among … Read more
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
Climate justice : a global phenomenon The heart of climate justice is the understanding that the urgent action needed to prevent climate change must be based on community-led solutions and the well-being of local communities, Indigenous Peoples and the global poor, as well as biodiversity and intact ecosystems. Climate justice is the understanding that we … Read more
defined as ‘an addition or excessive addition of certain materials to the physical environment (water, air and lands), making it less fit or unfit for life’. Pollutants are the materials or factors, which cause adverse effect on the natural quality of any component of the environment. Classifications According to the form in which they … Read more
Nuclear policy of india Important points of india’s nuclear policy are as follows: Building and maintaining a credible minimum deterrent. nuclear weapons will only be used in retaliation against a nuclear attack on Indian Territory or on Indian forces elsewhere. Nuclear retaliation to a first strike will be massive and designed to inflict unacceptable … Read more
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
Science of climate change The atmosphere functions as a ‘greenhouse’ and insulates the earth from extremes of temperature. The greenhouse effect works in the following manner. Of the incoming short-wave radiation from the sun, one-third is reflected, and the atmosphere, ocean, ice, land, and biota absorb the balance. The surface returns some of the heat … Read more
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
Concerns and challenges use of science and technology Digital technology and problems Social Media is an entirely different issue, especially with the upcoming generations. Without Facebook, Snapchat, Twitter, Instagram and more, where would tweens and teenagers find themselves today. They physically cannot function without staying updated with the newest social media craze. News flash: people … Read more