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0-6.947-12.606c-2.912-2.005-6.64-4.875-10.341-8.569-28.073-28.073-28.191-73.639 0-101.83l67.2-67.19c28.239-28.239 74.3-28.069 102.325.51 27.75 28.3 26.872 73.934-1.155 101.96l-13.087 13.087c-4.35 4.35-5.769 10.79-3.783 16.612 5.864 17.194 9.042 34.999 9.69 52.721.509 13.906 17.454 20.446 27.294 10.606l37.106-37.106c59.271-59.259 59.271-155.699.001-214.959z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><a href=\"https:\/\/rajras.in\/hi\/ras\/mains\/paper-2\/science-tech\/chemical-and-biological-weapons\/\">\u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0914\u0930 \u091c\u0948\u0935\u093f\u0915 \u0939\u0925\u093f\u092f\u093e\u0930<\/a><\/span><\/li>\n<\/ul><\/div>\n\n\n<p><span style=\"color: #008000;\">General Science &amp; Technology<\/span> forms Unit II of RAS Mains GS Paper 2. This Page lists topics as per RAS Mains Syllabus: <\/p>\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<h3 style=\"text-align: justify;\"><span style=\"color: #ff6600;\">RAS Mains Science &amp; Technology Topics:<\/span><\/h3>\n<p style=\"text-align: justify;\"><strong>Nanotechnology<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li>Concept and its application<\/li>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/nano-mission-on-nano-science-and-technology\/\">Nano Mission of India<\/a><\/span>.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>Nuclear technology:<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li>Basic concept, radioactivity and its applications, civilian and military uses<\/li>\n<li>Different types of nuclear reactors, .<\/li>\n<li>Institutional structure for development of nuclear technology in India.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>Telecommunication:<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li>Basic concept, Telecom application for socio-economic development of masses,<\/li>\n<li>Indian telecom industry with brief history,<\/li>\n<li>National Telecom Policy<\/li>\n<li>TRAI (Telecom Regulatory Authority of India)<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>Defence:<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li><a href=\"https:\/\/rajras.in\/india-missile-system\/\"><span style=\"color: #0000ff;\">Types of missiles with reference to the India Missile Programme<\/span>; <\/a><\/li>\n<li>Various chemical and biological weapons<\/li>\n<li>Role of DRDO in various fields (other than weapons).<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>Space:<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/space-science-technology\/\">Basic Concepts<\/a><\/span><\/li>\n<li>Recent Developments w.r.t India<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>Science Basic Concepts:<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li>Electromagnetic waves<\/li>\n<li>Communication systems,<\/li>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/computer-basics\/\">Basics of computers<\/a><\/span>,<\/li>\n<li>Uses of information technology,<\/li>\n<li>e-governance and e-commerce in administration.<\/li>\n<li>\u092a\u0926\u093e\u0930\u094d\u0925 \u0915\u0940 \u0905\u0935\u0938\u094d\u0925\u093e\u090f\u0901<\/li>\n<li>Allotropes of carbon.<\/li>\n<li>pH Scale and importance of pH in daily life.<\/li>\n<li>Corrosion and its prevention<\/li>\n<li>Catalyst<\/li>\n<li>Soap and Detergents &#8211; Cleansing action of soap.<\/li>\n<li>Polymers and their uses<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>Bio-Technology:<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li>Applications of Biotechnology<\/li>\n<li>Associated Ethical and Intellectual Property Right Issues.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>Food and Human Health: <\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li>General awareness of digestive, respiratory, circulatory, excretory, coordination and reproductive system of Humans<\/li>\n<li>General Awareness of Balanced and Unbalanced Food,<\/li>\n<li>Malnutrition,<\/li>\n<li>Intoxicants, Blood, Blood Group and Immunity (Antigen, Antibodies), Blood Transfusion, Immunization &amp; Vaccination.<\/li>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/diseases-cause-carriers-vaccines\/\" target=\"_blank\" rel=\"noopener noreferrer\">Human diseases : Communicable &amp; Non Communicable Diseases, Acute and Chronic Diseases; Causes and Prevention of Infectious, Genetic and Lifestyle Disease.<\/a><\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>Other S &amp; T Topics:<\/strong><\/p>\n<ul>\n<li style=\"text-align: justify;\">Water quality and water purification.<\/li>\n<li style=\"text-align: justify;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/public-healthcare-rajasthan\/\">Public Health Initiatives with special reference to the State of Rajasthan<\/a><\/span>.<\/li>\n<li style=\"text-align: justify;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/tag\/great-indian-scientists\/\">Contribution of Indian Scientists in Science and Technology.<\/a><\/span><\/li>\n<\/ul>\n<h4><span style=\"color: #008000;\"><strong>Environment &amp; its Conservation:<\/strong><\/span><\/h4>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/ecosystem-structure-functions-components\/\">Ecosystem : Structure and Function.<\/a><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/atmosphere-composition-and-basic-nutrient-cycles\/\">Atmosphere : Composition and Basic nutrient cycling (Nitrogen, Carbon and Water Cycles)<\/a><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/climate-change-in-rajasthan\/\">Climate Change<\/a><\/span>;<\/li>\n<li style=\"text-align: justify;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/ras\/pre\/rajasthan\/economy\/infrastructure\/power\/\">Renewable and Non-Renewable Energy.<\/a><\/span><\/li>\n<li style=\"text-align: justify;\">Environmental Pollution and Degradation &#8211; <a href=\"https:\/\/rajras.in\/hi\/rajasthan\/%e0%a4%b0%e0%a4%be%e0%a4%9c%e0%a4%b8%e0%a5%8d%e0%a4%a5%e0%a4%be%e0%a4%a8-%e0%a4%aa%e0%a4%b0%e0%a5%8d%e0%a4%af%e0%a4%be%e0%a4%b5%e0%a4%b0%e0%a4%a3\/\">Environment Concern Section<\/a><\/li>\n<li style=\"text-align: justify;\"><strong><a href=\"https:\/\/rajras.in\/tag\/waste-management\/\">Waste Management<\/a><\/strong>\n<ul>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/types-of-plastic\/\">Different types of Plastics, their application &amp; recycle codes<\/a><\/span><\/li>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/rajasthan-high-court-bans-single-use-plastic\/\">Rajasthan High Court bans single use plastic<\/a><\/span><\/li>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/hi\/basics-of-circular-economy-2\/\">Basics of Circular Economy<\/a><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<h3><span style=\"color: #ff6600;\">Topics Related to Rajasthan&nbsp;<\/span><\/h3>\n<h4><span style=\"color: #008000;\">Biodiversity and its conservation with special reference to the state of Rajasthan.<\/span><\/h4>\n<ul>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/hi\/rajasthan\/%e0%a4%b0%e0%a4%be%e0%a4%9c%e0%a4%b8%e0%a5%8d%e0%a4%a5%e0%a4%be%e0%a4%a8-%e0%a4%aa%e0%a4%b0%e0%a5%8d%e0%a4%af%e0%a4%be%e0%a4%b5%e0%a4%b0%e0%a4%a3\/\">\u0930\u093e\u091c\u0938\u094d\u0925\u093e\u0928 \u092a\u0930\u094d\u092f\u093e\u0935\u0930\u0923<\/a><\/span><\/li>\n<\/ul>\n<h4><span style=\"color: #008000;\">Water Conservation with special reference to the Traditional Systems in the State of Rajasthan&nbsp;<\/span><\/h4>\n<ul>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/water-resources-rajasthan\/\">\u092a\u094d\u0930\u093e\u0915\u0943\u0924\u093f\u0915 \u0938\u0902\u0938\u093e\u0927\u0928 \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u091c\u0932 \u0938\u0902\u0938\u093e\u0927\u0928<\/a><\/span><\/li>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/traditional-methods-rain-water-harvesting-rajasthan\/\">\u0935\u0930\u094d\u0937\u093e \u091c\u0932 \u0938\u0902\u091a\u092f\u0928 \u0915\u0947 \u092a\u093e\u0930\u0902\u092a\u0930\u093f\u0915 \u0924\u0930\u0940\u0915\u0947<\/a><\/span><\/li>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/modern-methods-of-rain-water-harvesting-in-rajasthan\/\">\u0935\u0930\u094d\u0937\u093e \u091c\u0932 \u0938\u0902\u091a\u092f\u0928 \u0915\u0947 \u0906\u0927\u0941\u0928\u093f\u0915 \u0924\u0930\u0940\u0915\u0947<\/a><\/span><\/li>\n<\/ul>\n<h4 style=\"text-align: justify;\"><span style=\"color: #008000;\">Agriculture, Horticulture, Forestry, Dairy and Animal Husbandry with special reference to Rajasthan.<\/span><\/h4>\n<ul>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/ras\/pre\/rajasthan\/economy\/agriculture\/\">\u0930\u093e\u091c\u0938\u094d\u0925\u093e\u0928 \u0915\u0943\u0937\u093f<\/a><\/span><\/li>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/ras\/pre\/rajasthan\/economy\/livestock\/\">\u0930\u093e\u091c\u0938\u094d\u0925\u093e\u0928 \u0915\u093e \u092a\u0936\u0941\u0927\u0928<\/a><\/span><\/li>\n<\/ul>\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<h3><span style=\"color: #ff6600;\">Answer Writing Practise<\/span><\/h3>\n<ul>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/rajras.in\/questions-on-science\/\">Previous Years &amp; Practise Questions<\/a><\/span><\/li>\n<\/ul>\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>RAS Mains Science &amp; Technology Paper Preparation<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u092a\u094d\u0930\u094c\u0926\u094d\u092f\u094b\u0917\u093f\u0915\u0940 General Science &amp; Technology forms Unit II of RAS Mains GS Paper 2. This Page lists topics as per RAS Mains Syllabus: RAS Mains Science &amp; Technology Topics: Nanotechnology Concept and its application Nano Mission of India. Nuclear technology: Basic concept, radioactivity and its applications, civilian and military uses Different types of nuclear reactors, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":26091,"parent":27300,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"right-sidebar","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-70889","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Science &amp; 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