Among major sections of UPSC 2020 Prelims, General Science and Technology is one. Almost every year, at least 10 - 15 questions are usually asked from this section. There is no specified syllabus for General Science and Technology, but, from the previous years’ papers, the probable boundary of the syllabus of this section can be drawn. This section is divided into 6 subsections i.e. Evolution of the Earth, Biology, Chemistry, Physics, Astrology, and Current events on Science and Technology.
There is no specific and elaborate syllabus mentioned or instructed by the Union Public Service Commission. This below-mentioned syllabus is from the analysis of 10 years question papers and sample papers :
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|Serial No.||Sections||Important Topics|
|1.||Evolution of the Earth||Geological Time Scale: Hadean, Archean, Proterozoic & Phanerozoic;
Phanerozoic Eon: Paleozoic Era, Mesozoic Era & Cenozoic Era
|2.||Astronomy||The Universe, Big Bang Theory, Dark Energy, Gravitational waves Star Formation (Stellar Evolution or Life Cycle Of A Star) Solar System Formation: Nuclear Disc Model (neo-Laplacian model) Sun’s Internal Structure and Atmosphere, Solar Wind Planets of the Solar System & Other Solar System Objects Kepler’s laws, Satellite Orbits, Launch Vehicles PSLV & GSLV|
|3.||Biology||Cell Organelles | Plant Cell vs. Animal Cell Carbohydrates | Monosaccharides | Polysaccharides Proteins | Amino Acids | Enzymes Vitamins and Minerals – Deficiency Diseases Fats | Healthy Fats and Unhealthy Fats Animal Tissues – Epithelium, Connective Tissues Human Digestive System | Digestive Glands Respiratory System – NCERT General Science Endocrine Glands and Hormones Human Neural System | Human Brain Muscular and Skeletal System Nucleic acids – DNA and RNA | Recombinant DNA Mitosis | Cell Cycle | Cell Division Meiosis | Mitosis – Meiosis Comparison Inheritance – Mendel’s Laws of Inheritance Chromosomal Theory | Human Genome Project Sex Determination | Genetic Disorders Diseases Caused by Microorganisms Microbes In Human Welfare | Useful Microbes Immunity | Human Immune System AIDS | Acquired Immuno Deficiency Syndrome Cancer | Causes of Cancer – NCERT Drugs and Alcohol Abuse – NCERT Diseases | Acute, Chronic, Communicable Diseases Blood | Blood Groups | Formed Elements Circulatory System | Double Circulation Excretory System | Kidney | Urine Formation Origin and Evolution of Life on Earth Biological Classification – General Science Five Kingdom Classification of Plants and Animals Plant Parts and Their Functions Plant Kingdom – Thallophytes (Algae) – Bryophytes – Pteridophytes Plants with Seeds – Gymnosperms and Angiosperms Plant Tissue – Meristematic – Simple, Complex Permanent Tissue Plant Nutrition – Photosynthesis | Nitrogen Cycle, Fixation Sexual and Asexual Reproduction in Plants Classification of Animal Kingdom (Animalia) Classification of Vertebrata (Phylum Chordata) Human Reproductive System Biotechnology | Genetic Engineering – Processes and Applications Insectivorous Plants of India: Drosera, Pitcher Plant, Utricularia Precision Farming, Geoinformatics for Precision Farming|
|4.||Chemistry||Application-based chemistry, Food chemistry, Fuels, and polymers, Biometric systems, Chemical changes in matter, Radioactive elements, Carbon dating, Nuclear energy, Neutrons, Heavy water, Nuclear reactors locations in India, Elements and compounds|
|5.||Physics||Light, Sound,Heat,Electromagnetic radiation, Electricity, Magnetism,Newton’s Law, Gravitation,Big Bang Theory, Higgs Boson, Dark energy,Dark matter,Graphene, Forces in nature and naturally occurring phenomenon, Rotation and revolution of the earth, Recent phenomenon|
|6.||Current affairs of Science and Technology||Latest scientific developments in India and World. Recent achievements of Technology|
Ques. Where can I find the question paper of UPSC Prelims 2019?
Ans. Here is the link for UPSC Prelims 2019 question papers:
Ques. Is science important for UPSC?
Ans. General Science and Technology is really important for the UPSC Prelims Exam. It must be prepared because in the UPSC Main Exam, General Studies Paper III has Technology, Environment and Biodiversity.
Ques. Can I skip NCERT Books For UPSC Prelims Exam?
Ans. It is sincerely advised not to skip NCERT Books. Most of UPSC Prelims preparation should revolve around NCERT Book and any other further reading if needed one always can go for other recommended books.
Ques. How can I read NCERT books fast for UPSC Prelims?
Ans. Follow a few basic but important steps:
Ques. Can I prepare General Science and Technology for UPSC Prelims in 3 months?
Ans. The probable preparation period for General Science and Technology for UPSC Prelims totally depends on your area of interest and educational background. If you are a student of any science stream or biology or really interested in science, it will not take more than 3- 4 months to prepare it totally. On the other hand, if you are a candidate in Humanities or Arts, it will take 5 - 6 months on average depending on your ability and interest.
*The article might have information for the previous academic years, please refer the official website of the exam.