Notes and Study material for Exams
Contribution of Indians in science and technology This list of Indian inventions and discoveries details the inventions, scientific discoveries and contributions of ancient and modern India, including both the ancient and medieval nations in the subcontinent historically referred to as India and the modern Indian state. It draws from the whole cultural and technological history … Read more
Periodic Table and periodicity Criteria for a new element discovery Assessing if an element has been “discovered” is not a simple task. While reviewing the discovery profiles of the transfermium Elements in the early 90s’, IUPAC and IUPAP set up to establish a series of criteria that must be satisfied for the discovery of an … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> Salinity is defined as the ratio between the weight of the dissolved materials and the weight of the sample sea water. Generally, salinity is defined as ‘the total amount of solid material in grams contained in one kilogram of sea water and is expressed as part … Read more
, General Science is a broad field that encompasses a wide range of topics, from the physical sciences to the life sciences. It is an essential part of the APPSC Prelims Exam, and candidates are expected to have a good understanding of the subject. Here is a brief overview of some of the key topics … Read more
Science & TechnologyFor Notes Click on the topics – Basics of Everyday Science. –Space Technology including Satellites. – Defence Technology. – Nanotechnology. – Human body, Food and Nutrition, Health care. – Environmental and Ecological Changes and its Impacts. – Biotechnology and Genetic engineering. – agriculture,
The Rate of a Chemical Reaction The rate of a chemical reaction can be defined as the amount of the reaction which occurs in unit time. The rate of a reaction is measured by choosing certain properties of the reaction which will indicate how far the reaction has gone, and whose magnitude can be observed … Read more
The Nitrogen Cycle: A Vital Dance of Life and Death The nitrogen cycle is a fundamental process that sustains life on Earth. It describes the continuous movement of nitrogen, a crucial element for all living organisms, through various reservoirs in the environment. This intricate dance of transformation involves a complex interplay of physical, chemical, and … Read more
The Power of Manure: A Deep Dive into Essential Elements for Plant Growth Manure, a natural byproduct of animal waste, has long been recognized as a valuable resource for enriching soil and promoting plant growth. Its organic composition provides a wealth of nutrients, improving soil structure and fostering a thriving ecosystem for plants. This article … Read more
Introduction to alkaloids (nicotine and cocaine) Alkaloids, any of a class of naturally occurring organic nitrogen-containing bases. Alkaloids have diverse and important physiological effects on humans and other animals. Well-known alkaloids include morphine, strychnine, quinine, ephedrine, and nicotine. Alkaloids are found primarily in Plants and are especially common in certain families of flowering … Read more
Digestive System Introduction The respiratory and circulatory systems work together to provide cells with the Oxygen they need for cellular Respiration. Cells also need glucose for cellular respiration. Glucose is a simple sugar that comes from the food we eat. To get glucose from food, digestion must occur. This process is carried out by the … Read more