{"id":22093,"date":"2026-02-26T19:09:56","date_gmt":"2026-02-26T13:39:56","guid":{"rendered":"https:\/\/www.oliveboard.in\/blog\/?p=22093"},"modified":"2026-02-26T19:09:57","modified_gmt":"2026-02-26T13:39:57","slug":"railway-rrb-group-d-science-notes","status":"publish","type":"post","link":"https:\/\/www.oliveboard.in\/blog\/railway-rrb-group-d-science-notes\/","title":{"rendered":"RRB Group D Science Notes, Know How to Prepare"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_77 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of content<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.oliveboard.in\/blog\/railway-rrb-group-d-science-notes\/#Why_are_RRB_Group_D_Science_Notes_useful\" >Why are RRB Group D Science Notes useful?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.oliveboard.in\/blog\/railway-rrb-group-d-science-notes\/#What_are_the_important_topics_in_RRB_Group_D_Science_Syllabus\" >What are the important topics in RRB Group D Science Syllabus?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.oliveboard.in\/blog\/railway-rrb-group-d-science-notes\/#How_can_I_prepare_RRB_Group_D_Science_Notes_for_the_exam\" >How can I prepare RRB Group D Science Notes for the exam?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.oliveboard.in\/blog\/railway-rrb-group-d-science-notes\/#What_are_the_most_repeated_concepts_in_RRB_Group_D_Science_Exam\" >What are the most repeated concepts in RRB Group D Science Exam?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.oliveboard.in\/blog\/railway-rrb-group-d-science-notes\/#How_can_RRB_Group_D_Science_Notes_give_you_an_extra_edge\" >How can RRB Group D Science Notes give you an extra edge?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.oliveboard.in\/blog\/railway-rrb-group-d-science-notes\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Preparing for the RRB Group D exam requires a smart balance of conceptual clarity, exam relevance, and strategic revision. Among all subjects, General Science is often seen as scoring yet tricky because questions are simple in appearance but concept-based in nature. This is where RRB Group D Science Notes become extremely important. This article provides well-structured and exam-oriented notes covering Physics, Chemistry, and Biology topics from the <a href=\"https:\/\/www.oliveboard.in\/rrb-group-d-science-syllabus\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>RRB Group D Science Syllabus<\/strong><\/a> 2026.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-are-rrb-group-d-science-notes-useful\"><span class=\"ez-toc-section\" id=\"Why_are_RRB_Group_D_Science_Notes_useful\"><\/span>Why are RRB Group D Science Notes useful?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Preparing the Group D science notes is useful as it helps candidates during the last-minute exam preparation for a quick overview of the important topics. The key characteristics of RRB Group D Science notes are as follows:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Conceptual rather than numerical-heavy<\/li>\n\n\n\n<li>Direct but confusing options<\/li>\n\n\n\n<li>High repetition of core ideas<\/li>\n\n\n\n<li>Strong linkage with daily-life phenomena<\/li>\n<\/ul>\n\n\n\n<p><strong>Check: <a href=\"https:\/\/www.oliveboard.in\/rrb-group-d-syllabus\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\">RRB Group D Syllabus 2026<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-the-important-topics-in-rrb-group-d-science-syllabus\"><span class=\"ez-toc-section\" id=\"What_are_the_important_topics_in_RRB_Group_D_Science_Syllabus\"><\/span>What are the important topics in RRB Group D Science Syllabus?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The important <a href=\"https:\/\/www.oliveboard.in\/blog\/general-science-for-rrb-group-d\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>RRB Group D Science Questions<\/strong><\/a> include from topics like Motion &amp; Laws of Motion, Electricity &amp; Magnetism, Acids, Bases &amp; Salts, Chemical Reactions, and more. The details of the topics are tabulated below:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Subject<\/strong><\/td><td>I<strong>mportant Topics<\/strong><\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.oliveboard.in\/blog\/physics-questions\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\">Physics<\/a><\/strong><\/td><td>Motion &amp; Laws of Motion<\/td><\/tr><tr><td><\/td><td>Work, Power &amp; Energy<\/td><\/tr><tr><td><\/td><td>Gravitation<\/td><\/tr><tr><td><\/td><td>Heat &amp; Temperature<\/td><\/tr><tr><td><\/td><td>Light (Reflection &amp; Refraction)<\/td><\/tr><tr><td><\/td><td>Electricity &amp; Magnetism<\/td><\/tr><tr><td><\/td><td>Sound<\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.oliveboard.in\/blog\/chemistry-questions\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\">Chemistry<\/a><\/strong><\/td><td>Matter and its States<\/td><\/tr><tr><td><\/td><td>Physical &amp; Chemical Changes<\/td><\/tr><tr><td><\/td><td>Acids, Bases &amp; Salts<\/td><\/tr><tr><td><\/td><td>Metals &amp; Non-Metals<\/td><\/tr><tr><td><\/td><td>Chemical Reactions<\/td><\/tr><tr><td><\/td><td>Fuels &amp; Combustion<\/td><\/tr><tr><td><strong><a href=\"https:\/\/www.oliveboard.in\/blog\/biology-questions\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\">Biology<\/a><\/strong><\/td><td>Life Processes<\/td><\/tr><tr><td><\/td><td>Nutrition (Plants &amp; Humans)<\/td><\/tr><tr><td><\/td><td>Respiration<\/td><\/tr><tr><td><\/td><td>Transportation &amp; Excretion<\/td><\/tr><tr><td><\/td><td>Control &amp; Coordination<\/td><\/tr><tr><td><\/td><td>Reproduction<\/td><\/tr><tr><td><\/td><td>Environment &amp; Ecosystem<\/td><\/tr><tr><td><\/td><td>Diseases &amp; Health<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/rrb-group-d-mock-test\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt Free RRB Group D Mock Test<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-can-i-prepare-rrb-group-d-science-notes-for-the-exam\"><span class=\"ez-toc-section\" id=\"How_can_I_prepare_RRB_Group_D_Science_Notes_for_the_exam\"><\/span>How can I prepare RRB Group D Science Notes for the exam?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>To prepare the Group D Science notes, first divide the subjects according to their importance. We have given below the subject-wise notes to assist you in your preparation:<\/p>\n\n\n\n<p><strong>Physics:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Catgory<\/strong><\/td><td><strong>Concept<\/strong><\/td><td><strong>Key Point<\/strong><\/td><\/tr><tr><td>Core Concept<\/td><td>Speed vs Velocity<\/td><td>Velocity has direction, speed does not<\/td><\/tr><tr><td><\/td><td>Acceleration<\/td><td>Change in velocity per unit time<\/td><\/tr><tr><td><\/td><td>Newton\u2019s Third Law<\/td><td>Action and reaction are equal and opposite<\/td><\/tr><tr><td><\/td><td>Energy Conversion<\/td><td>One form of energy converts into another<\/td><\/tr><tr><td>Physics Fact<\/td><td>Unit of Force<\/td><td>Newton<\/td><\/tr><tr><td><\/td><td>SI Unit of Power<\/td><td>Watt<\/td><\/tr><tr><td><\/td><td>Speed of Sound<\/td><td>Fastest in solids<\/td><\/tr><tr><td><\/td><td>Electric Current<\/td><td>Flows from positive to negative terminal (conventional current)<\/td><\/tr><tr><td>Points to Remember<\/td><td>Mass<\/td><td>Constant, measured in kilogram (kg)<\/td><\/tr><tr><td><\/td><td>Weight<\/td><td>Varies with gravity, measured in Newton (N)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/railways-rrb-group-d\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\">Explore RRB group D Courses<\/a><\/div>\n<\/div>\n\n\n\n<p><strong>Chemistry:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Catgory<\/strong><\/td><td><strong>Feature\/Substance<\/strong><\/td><td><strong>Nature \/ Property \/ Fact<\/strong><\/td><\/tr><tr><td>Acids, Bases &amp; Salts<\/td><td>Lemon juice<\/td><td>Acidic<\/td><\/tr><tr><td><\/td><td>Baking soda<\/td><td>Basic<\/td><\/tr><tr><td><\/td><td>Common salt<\/td><td>Neutral<\/td><\/tr><tr><td><\/td><td>Vinegar<\/td><td>Acidic<\/td><\/tr><tr><td>Key Chemistry Fact and Formula<\/td><td>pH &lt; 7<\/td><td>Acidic<\/td><\/tr><tr><td><\/td><td>pH = 7<\/td><td>Neutral<\/td><\/tr><tr><td><\/td><td>pH &gt; 7<\/td><td>Basic<\/td><\/tr><tr><td>Metals vs Non-Metals<\/td><td>Conductivity (Metals)<\/td><td>Good<\/td><\/tr><tr><td><\/td><td>Conductivity (Non-Metals)<\/td><td>Poor<\/td><\/tr><tr><td><\/td><td>Malleability (Metals)<\/td><td>Yes<\/td><\/tr><tr><td><\/td><td>Malleability (Non-Metals)<\/td><td>No<\/td><\/tr><tr><td><\/td><td>Ductility (Metals)<\/td><td>Yes<\/td><\/tr><tr><td><\/td><td>Ductility (Non-Metals)<\/td><td>No<\/td><\/tr><tr><td><\/td><td>Examples (Metals)<\/td><td>Iron, Copper<\/td><\/tr><tr><td><\/td><td>Examples (Non-Metals)<\/td><td>Sulphur, Oxygen<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/rrb-group-d-cbt-pyps\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\">Download RRB Group D Previous Year Question Papers<\/a><\/div>\n<\/div>\n\n\n\n<p><strong>Biology:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Category<\/strong><\/td><td><strong>Topic \/ Item<\/strong><\/td><td><strong>Key Concept \/ Fact<\/strong><\/td><\/tr><tr><td>Life Processes<\/td><td>Photosynthesis<\/td><td>Occurs in chloroplasts<\/td><\/tr><tr><td><\/td><td>Respiration<\/td><td>Releases energy from food<\/td><\/tr><tr><td><\/td><td>Excretion<\/td><td>Removes metabolic waste<\/td><\/tr><tr><td>Human Digestive System<\/td><td>Saliva<\/td><td>Contains amylase enzyme<\/td><\/tr><tr><td><\/td><td>Stomach<\/td><td>Secretes hydrochloric acid (HCl)<\/td><\/tr><tr><td><\/td><td>Small intestine<\/td><td>Main site of digestion<\/td><\/tr><tr><td>Diseases<\/td><td>Malaria<\/td><td>Caused by Plasmodium<\/td><\/tr><tr><td><\/td><td>Dengue<\/td><td>Caused by a virus<\/td><\/tr><tr><td><\/td><td>Tuberculosis<\/td><td>Caused by bacteria<\/td><\/tr><tr><td><\/td><td>COVID-19<\/td><td>Caused by virus<\/td><\/tr><tr><td>Environmental Science<\/td><td>Producers<\/td><td>Green plants<\/td><\/tr><tr><td><\/td><td>Consumers<\/td><td>Animals<\/td><\/tr><tr><td><\/td><td>Decomposers<\/td><td>Bacteria and fungi<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Check: <a href=\"https:\/\/www.oliveboard.in\/blog\/biology-chapters-for-rrb-group-d\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Important Biology Chapters for RRB Group D Exam<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-the-most-repeated-concepts-in-rrb-group-d-science-exam\"><span class=\"ez-toc-section\" id=\"What_are_the_most_repeated_concepts_in_RRB_Group_D_Science_Exam\"><\/span>What are the most repeated concepts in RRB Group D Science Exam?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The most repeated concepts in RRB Group D Science exam include SI units, chemical reactions, and more. Some of the most repeated topics are as follows:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Units &amp; SI units<\/li>\n\n\n\n<li>Causes of diseases<\/li>\n\n\n\n<li>Basic human physiology<\/li>\n\n\n\n<li>Everyday chemical reactions<\/li>\n\n\n\n<li>Energy conversion examples<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-can-rrb-group-d-science-notes-give-you-an-extra-edge\"><span class=\"ez-toc-section\" id=\"How_can_RRB_Group_D_Science_Notes_give_you_an_extra_edge\"><\/span>How can RRB Group D Science Notes give you an extra edge?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Preparing notes for the important topics and <a href=\"https:\/\/www.oliveboard.in\/blog\/science-formulas-for-rrb-group-d-exam\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>RRB Group D Science Formulas<\/strong><\/a> can make you exam-ready by providing precise notes, avoiding theory, and more. The exam conducted by the Railway Recruitment Board tests clarity, not depth. Unlike generic notes, preparing high-quality RRB Group D Science Notes must:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Focus only on exam-relevant concepts<\/li>\n\n\n\n<li>Avoid unnecessary theory<\/li>\n\n\n\n<li>Include comparisons, tables, and one-liners<\/li>\n\n\n\n<li>Are aligned with Railway exam trends<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/rrb-group-d-previous-year-papers\/?ref=contad-aib\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt RRB Group D PYPs Online<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faqs\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1772112199909\"><strong class=\"schema-faq-question\">Q1. What is the ideal source for preparing RRB Group D Science Notes?<\/strong> <p class=\"schema-faq-answer\">The ideal source for RRB Group D Science Notes is NCERT Class 9 and 10 Science textbooks, as the majority of questions are directly based on these concepts. Candidates should complement NCERT with exam-focused notes, previous year questions, and regular MCQ practice to understand how concepts are framed in the exam.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772112229125\"><strong class=\"schema-faq-question\">Q2. How much time should I dedicate daily to RRB Group D Science preparation?<\/strong> <p class=\"schema-faq-answer\">On average, 30\u201345 minutes daily is sufficient for Science preparation if done consistently. This time should include concept revision, short notes review, and solving 15\u201320 MCQs.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772112243409\"><strong class=\"schema-faq-question\">Q3. Which subject carries the highest weightage in RRB Group D Science?<\/strong> <p class=\"schema-faq-answer\">Among Physics, Chemistry, and Biology, Biology carries the highest weightage in the RRB Group D exam. Topics like human physiology, diseases, nutrition, and environment are frequently asked. Hence, Biology should be given slightly more priority while preparing RRB Group D Science Notes.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772112257907\"><strong class=\"schema-faq-question\">Q4. Are previous year questions important for mastering RRB Group D Science Notes?<\/strong> <p class=\"schema-faq-answer\">Yes, previous year questions (PYQs) are extremely important. Many Science questions in RRB Group D exams are either repeated or asked with minor modifications. Solving PYQs helps candidates identify high-frequency topics, avoid common traps, and improve accuracy.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1772112276517\"><strong class=\"schema-faq-question\">Q5. Is it necessary to memorise formulas and scientific facts for RRB Group D Science?<\/strong> <p class=\"schema-faq-answer\">Basic memorisation is required, especially for units, diseases, chemical formulas, and biological terms, but it should be supported by conceptual understanding.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Preparing for the RRB Group D exam requires a smart balance of conceptual clarity, exam relevance, and strategic revision. Among<\/p>\n","protected":false},"author":63,"featured_media":238489,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,62,2586,555],"tags":[8525,7193,7108,8523,8522,8524],"class_list":["post-22093","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-government-exams","category-notes","category-railways-rrb","tag-railway-rrb-group-d-2018-exam","tag-railway-rrb-group-d-exam","tag-railway-rrb-group-d-exam-preparation","tag-railway-rrb-group-d-science","tag-railway-rrb-group-d-science-notes","tag-rrb-group-d-science-notes","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>RRB Group D Science Notes, Know How to Prepare<\/title>\n<meta name=\"description\" content=\"Preparing the Group D science notes is useful as it helps candidates during the last-minute exam preparation. 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This time should include concept revision, short notes review, and solving 15\u201320 MCQs.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/railway-rrb-group-d-science-notes\/#faq-question-1772112243409","position":3,"url":"https:\/\/www.oliveboard.in\/blog\/railway-rrb-group-d-science-notes\/#faq-question-1772112243409","name":"Q3. Which subject carries the highest weightage in RRB Group D Science?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Among Physics, Chemistry, and Biology, Biology carries the highest weightage in the RRB Group D exam. Topics like human physiology, diseases, nutrition, and environment are frequently asked. Hence, Biology should be given slightly more priority while preparing RRB Group D Science Notes.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/railway-rrb-group-d-science-notes\/#faq-question-1772112257907","position":4,"url":"https:\/\/www.oliveboard.in\/blog\/railway-rrb-group-d-science-notes\/#faq-question-1772112257907","name":"Q4. Are previous year questions important for mastering RRB Group D Science Notes?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes, previous year questions (PYQs) are extremely important. Many Science questions in RRB Group D exams are either repeated or asked with minor modifications. Solving PYQs helps candidates identify high-frequency topics, avoid common traps, and improve accuracy.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/railway-rrb-group-d-science-notes\/#faq-question-1772112276517","position":5,"url":"https:\/\/www.oliveboard.in\/blog\/railway-rrb-group-d-science-notes\/#faq-question-1772112276517","name":"Q5. Is it necessary to memorise formulas and scientific facts for RRB Group D Science?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Basic memorisation is required, especially for units, diseases, chemical formulas, and biological terms, but it should be supported by conceptual understanding.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/22093","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/users\/63"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/comments?post=22093"}],"version-history":[{"count":7,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/22093\/revisions"}],"predecessor-version":[{"id":238491,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/22093\/revisions\/238491"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/media\/238489"}],"wp:attachment":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/media?parent=22093"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/categories?post=22093"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/tags?post=22093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}