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Science and Technology Last 10 Years PYQ Keywords/Themes

Communication technologies Open-source digital platforms Web 3.0 “Qubit Short-Range devices/technologies “Software as a Service (SaaS)” Biofilms “Fractional Orbital Bombardment System” Probiotics COVID-19 vaccines B cells and T cells Solar storm Nanoparticles DNA Barcoding Sodium lamps ,LED lamps Water properties   “ACE2” Carbon nanotubes Pneumococcal Conjugate Vaccines Recent advances in human reproductive technology Plant and animal cells Natural mosquito repellent Adenoviruses Bacteria ,Fungi ,Virus Pressure cooker Bollgard I and Bollgard II technologies Hereditary diseases Bisphenol A ‘Recombinant vector Vaccines’ Light-years(astronomical distances) “Triclosan”  Genetic changes,pluripotent stem cells ‘Denisovan’ Spacecraft Drones Hepatitis B,C And HIV cas9 protein Multi-drug resistance in microbial pathogens ‘RNA interference (RNAi)’ technology Functional chromosomes,Artificial functional DNA, “Public Key Infrastructure” Visible light communication (VLC) technology Ar...

UPSC CSE AIR-54 ARPIT GUPTA IAS

UPSC CSE PRELIMS CSAT Strategy  Highest Marks in CSAT.

UPSC CSE Elimination Techniques

UPSC CSE ELIMINATION TECHNIQUES  DATA/STATS/FACTS = GENERALLY WRONG/INCORRECT as they are easy to manipulate.  (Not incorrect if given with acts) (If more than two options with data BE CAUTIOUS.)  STEADILY INCREASE/DECREASE = GENERALLY WRONG/INCORRECT.  Unless it’s for an ABSOLUTE TERM (GDP, POPULATION) and NOT a RATE of something.  EXTRA/EXTREME WORDS = GENERALLY WRONG/INCORRECT.  (ALL/EVERY/ONLY/MANY/ANY/ANYWHERE/EVERYWHERE/DRASTICALLY/COMPLETELY/VERY/ ENTIRE/ENTIRELY/NATIVE/HIGHLY/DEFINED BY/LEGALLY BINDING, ETC.)  NEGATIVES/NO/NOT/DO NOT/NEVER/NOTHING = GENERALLY WRONG/INCORRECT. COROLLARY/CONTRADICTORY STATEMENTS.  (Within the options If one option is true then the other option must be true/false.)  TWO STATEMENTS = High chances of INTERCHANGED CONTENT.  DESIRABLE/PROGRESSIVE/POSITIVE/ENABLING/GENERAL/SIMPLE/SUBJECTIVE STATEMENTS = GENERALLY RIGHT/CORRECT. (Be aware of EXTREME WORDS).  PROBABLE STATEMENTS WITH CERTAIN WORD...

Approach to CSAT by Preeti Kumari UPSC CSE Topper

Approach to CSAT Practice the basics- formulas should be on finger tips. Common sense even sharper, if a formula can’t be applied, make sure you are applying common sense. Reverse engineering: apply options to the question Don’t follow the arrangement of questions, else you are bound to get stuck, and not make it. Attempt maths and reasoning first because they can give you higher accuracy. If you are getting stuck in a question—- move past it, there are easier, simpler questions in the coming pages. Do comprehension in last 50 minutes (keeping a separate bracket of 12-15 minutes for circling omr in the end— if you fill it up in the end) There are enough low hanging fruits in the math and reasoning section, make sure you master them and accuracy here should be close to 95-100%. Attempt them first and super fast, these are: Syllogisms Set theory Data Sufficiency Blood relations Seating arrangement Profit and Loss Direction based questions Then go on to approach the other math questions. ...

UPSC CSE PRELIMS - Number of Questions 2015-2022

 

The Nile River

The Nile River is a major river in northeastern Africa, often considered the longest river in the world, with a total length of approximately 6,650 kilometers (4,132 miles). It flows through 11 countries, including Uganda, Ethiopia, Sudan, and Egypt , before emptying into the Mediterranean Sea. The Nile River has played a vital role in the development of human civilization in the region, providing water for irrigation, transportation, and other uses. Ancient Egypt , in particular, was heavily dependent on the Nile , which enabled the growth of agriculture and supported the construction of monumental architecture such as the pyramids . The Nile has two main tributaries , the White Nile and the Blue Nile. The White Nile originates in Lake Victoria in Ugand a and flows northward through South Sudan and Sudan before joining the Blue Nile in Khartoum, Sudan. The Blue Nile, which originates in Ethiopia , is the source of much of the Nile's water and is responsible for the fertil...