Notes and Study material for Exams
, 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
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
THEORIES OF EVOLUTION Evolution, simply put, is descent with modification. This definition encompasses small-scale evolution (changes in gene frequency in a Population from one generation to the next) and large-scale evolution (the descent of different species from a common ancestor over many generations). Evolution helps us to understand the history of life. Evolution is not … Read more
The living world 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 … Read more
Science & TechnologyFor Notes Click on the topics [su_posts template=”templates/list-loop.php” posts_per_page=”100″ tax_term=”1321″ tax_operator=”0″ order=”desc”] Physical Science (I)System of Units: MKS, CGS and SI (II)Definition of speed,velocity, gravity, mass, weight, force, impact, work,power and energy. (III)Solar System, relative position of Earth with respect to Sun and other planets, movement of earth and moon in solar system, lunar and … Read more
Concept of Organic Farming, seed certification Organic farming is an alternative agricultural system which originated early in the 20th century in reaction to rapidly changing Farming practices. Organic farming continues to be developed by various organic agriculture organizations today. It relies on Fertilizers of organic origin such as Compost Manure, green manure, and Bone Meal … Read more
Fundamental concepts in vaccination Immunology and Vaccine-Preventable Diseases Immunology is a complicated subject, and a detailed discussion of it is beyond the scope of this text. However, an understanding of the basic function of the immune system is useful in order to understand both how Vaccines work and the basis of recommendations for their use. … Read more
FOOD CHAIN- A food chain starts with producers and ends with top carnivores. The sequence of eaten and being eaten, produces transfer of food energy and it is known as food chain. Grazing food chain-The consumers which start the food chain, utilising the plant or plant part as their food, constitute the grazing food chain. … 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
Transpiration is the process by which moisture is carried through Plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the Atmosphere. Transpiration is essentially Evaporation of water from plant leaves.The survival of plants is dependent on a number of factors which include water, Minerals, gases, and nutrients … Read more