APPSC Prelims and Mains Notes, APPSC Test Series
Orogenic or the mountain-forming movements act tangentially to the earth surface, as in plate tectonics. Tensions produces fissures (since this type of force acts away from a point in two directions) and compression produces folds (because this type of force acts towards a point from two or more directions). In the landforms so produced, … Read more
Indus Valley Civilization was the first major civilization in south Asia, which spread across a vast area of land in present day India and Pakistan (around 12 lakh sq.km). The time period of mature Indus Valley Civilization is estimated between BC. 2700- BC.1900 i.e. for 800 years. But early Indus Valley Civilization had existed even before … Read more
Demographic dividend occurs when the proportion of working people in the total population is high because this indicates that more people have the potential to be productive and contribute to growth of the economy.An increase in the working age ratio can raise the rate of economic growth, and hence confer a “demographic dividend.” People of … Read more
The continental drift theory is the theory that once all the continents were joined in a super-continent, which scientists call Pangaea. Over a vast period of time, the continents drifted apart to their current locations. Alfred Wegener first supported continental drift. Wegener’s explanation of continental drift in 1912 was that drifting occurred because of … Read more
Kinetic theory of gases The kinetic theory describes a gas as a large number of submicroscopic particles (atoms or molecules), all of which are in constant rapid motion that has randomness arising from their many collisions with each other and with the walls of the container. According to kinetic theory of gases, the molecules of … Read more
Kantian Ethics Immanuel Kant was a German philosopher at the heart of a movement known as the Enlightenment. He reacted against the evangelical Lutheran Pietism of his schooling, with its emphasis on religious devotion and biblical literalism. He valued reason independent of revelation or emotion, though he did imbibe his parents‟ values (they were harness- … Read more
was an Indian Bengali Hindu philosopher and social reformer who attempted to incorporate Christian theology within the framework of Hindu thought.He was born on 19th November 1838 in Kolkata. He was a descendant of the medieval Sena kings of Bengal.
An increase in the average temperature of Earth’s near surface air and oceans since the mid-20th century 4th assessment report of IPCC: global temperature increased 74+0.18 degree C during the 20th century. Caused by greenhouse gases Water vapour, Co2, Methane, Nitrous Oxide, Ozone, CFCs (in order of abundance) Since the industrial revolution, the burning of fossil fuels has increased … Read more
Green Revolution in India A term coined to describe the emergence and diffusion of new seeds of cereals. Norman-e-Borlaug is the Father of Green Revolution in the world, while Dr. M.S. Swami Nathan is known as the Father of Green Revolution in India. The new cereals were the product of research work and concentrated plant … Read more