{"id":55703,"date":"2023-05-31T18:40:00","date_gmt":"2023-05-31T13:10:00","guid":{"rendered":"https:\/\/www.kopykitab.com\/blog\/?p=55703"},"modified":"2025-07-12T11:42:22","modified_gmt":"2025-07-12T06:12:22","slug":"ncert-solutions-for-class-11-biology-chapter-9","status":"publish","type":"post","link":"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-biology-chapter-9\/","title":{"rendered":"NCERT Solutions for Class 11 Biology Chapter 9 \u2013 Biomolecules"},"content":{"rendered":"\n<p><img class=\"alignnone size-full wp-image-55675\" src=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2020\/09\/NCERT-Solutions-For-Class-11-Biology-Chapter-9-Biomolecules.jpg\" alt=\"NCERT-Solutions-For-Class-11-Biology-Chapter-9-Biomolecules\" width=\"785\" height=\"400\" srcset=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2020\/09\/NCERT-Solutions-For-Class-11-Biology-Chapter-9-Biomolecules.jpg 785w, https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2020\/09\/NCERT-Solutions-For-Class-11-Biology-Chapter-9-Biomolecules-768x391.jpg 768w, https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2020\/09\/NCERT-Solutions-For-Class-11-Biology-Chapter-9-Biomolecules-30x15.jpg 30w\" sizes=\"(max-width: 785px) 100vw, 785px\" \/><\/p>\n<p><strong>NCERT Solutions for Class 11 Biology Chapter 9<\/strong>: With the help of NCERT solutions for Class 11 Biology Chapter 9, the students understand the concept of the chemical composition of matter found in living entities. These solutions are created for all the questions available in the NCERT textbook &amp; designed in the same order for the convenience of students.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-biology-ncert-solutions\/\" target=\"_blank\" rel=\"noopener noreferrer\">NCERT Solutions For 11th Biology All Chapters<\/a><\/li>\n<\/ul>\n<p>Class 11 Biology Chapter 9 NCERT solutions are crafted by the best subject teachers.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_47_1 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\">Table of Contents<\/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=\"ez-toc-toggle-icon-1\"><label for=\"item-69e9101e24d62\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #000000;color:#000000\" 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: #000000;color:#000000\" 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><\/label><input  type=\"checkbox\" id=\"item-69e9101e24d62\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-visibility-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.kopykitab.com\/blog\/ncert-solutions-for-class-11-biology-chapter-9\/#ncert-solutions-for-class-11-biology-chapter-9-%e2%80%93-biomolecules\" title=\"NCERT Solutions for Class 11 Biology Chapter 9 \u2013 Biomolecules\">NCERT Solutions for Class 11 Biology Chapter 9 \u2013 Biomolecules<\/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.kopykitab.com\/blog\/ncert-solutions-for-class-11-biology-chapter-9\/#ncert-solutions-for-class-11-biology-chapter-9-pdf\" title=\"NCERT Solutions for Class 11 Biology Chapter 9 PDF\">NCERT Solutions for Class 11 Biology Chapter 9 PDF<\/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.kopykitab.com\/blog\/ncert-solutions-for-class-11-biology-chapter-9\/#what-will-you-learn-in-ncert-class-11-biology-chapter-9\" title=\"What will you learn in NCERT Class 11 Biology Chapter 9?\">What will you learn in NCERT Class 11 Biology Chapter 9?<\/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.kopykitab.com\/blog\/ncert-solutions-for-class-11-biology-chapter-9\/#benefits-of-solutions-class-11-biology-chapter-9-%e2%80%93-biomolecules\" title=\"Benefits of Solutions Class 11 Biology Chapter 9 \u2013 Biomolecules\">Benefits of Solutions Class 11 Biology Chapter 9 \u2013 Biomolecules<\/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.kopykitab.com\/blog\/ncert-solutions-for-class-11-biology-chapter-9\/#important-notes-on-biomolecules\" title=\"Important Notes On Biomolecules\">Important Notes On Biomolecules<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-biology-chapter-9\/#we-have-covered-the-complete-guide-on-cbse-ncert-solutions-for-class-11-biology-chapter-9-%e2%80%93-biomolecules-feel-free-to-ask-us-any-questions-in-the-comment-section-below\" title=\"We have covered the complete guide on CBSE NCERT Solutions for Class 11 Biology Chapter 9 \u2013 Biomolecules. Feel free to ask us any questions in the comment section below.\">We have covered the complete guide on CBSE NCERT Solutions for Class 11 Biology Chapter 9 \u2013 Biomolecules. Feel free to ask us any questions in the comment section below.<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-biology-chapter-9\/#faqs-on-ncert-solutions-for-class-11-biology-chapter-9\" title=\"FAQs on NCERT Solutions for Class 11 Biology Chapter 9\">FAQs on NCERT Solutions for Class 11 Biology Chapter 9<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-biology-chapter-9\/#how-has-chitin-defined-in-chapter-9-ncert-solutions-for-class-11-biology\" title=\"How has Chitin defined in Chapter 9 NCERT Solutions for Class 11 Biology?\">How has Chitin defined in Chapter 9 NCERT Solutions for Class 11 Biology?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-biology-chapter-9\/#how-has-starch-defined-in-chapter-9-ncert-solutions-for-class-11-biology\" title=\"How has Starch defined in Chapter 9 NCERT Solutions for Class 11 Biology?\">How has Starch defined in Chapter 9 NCERT Solutions for Class 11 Biology?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-biology-chapter-9\/#can-i-find-the-pdf-of-ncert-solutions-for-class-11-biology-chapter-9\" title=\"Can I find the PDF of NCERT Solutions for Class 11 Biology Chapter 9?\">Can I find the PDF of NCERT Solutions for Class 11 Biology Chapter 9?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-biology-chapter-9\/#how-much-will-it-cost-to-download-the-pdf-of-ncert-solutions-for-class-11-biology-chapter-9\" title=\"How much will it cost to download the PDF of NCERT Solutions for Class 11 Biology Chapter 9?\">How much will it cost to download the PDF of NCERT Solutions for Class 11 Biology Chapter 9?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"ncert-solutions-for-class-11-biology-chapter-9-%e2%80%93-biomolecules\"><\/span>NCERT Solutions for Class 11 Biology Chapter 9 \u2013 Biomolecules<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"ncert-solutions-for-class-11-biology-chapter-9-pdf\"><\/span>NCERT Solutions for Class 11 Biology Chapter 9 PDF<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"margin-top: 24px; text-align: center;\"><a style=\"display: inline-block; width: auto; padding: 18px; cursor: pointer; font-weight: bold; border-radius: 40px; color: #ffffff; background: #ff4500; box-shadow: rgba(0, 0, 0, 0.25) 0px 2px 6px 0px;\" href=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2020\/09\/CBSE-Class-11-Biology-NCERT-Solutions-Chapter-9.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Download NCERT Class 11 Biology Chapter 9&nbsp;Solutions<\/a><\/p>\n<p>CBSE Class 11 Biology Chapter 9 NCERT solutions are provided in a detailed manner so that the students can easily understand the concepts with diagrams. The solutions enable the students to understand the syllabus and also raise their confidence in solving any question.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"what-will-you-learn-in-ncert-class-11-biology-chapter-9\"><\/span>What will you learn in NCERT Class 11 Biology Chapter 9?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In Chapter 9 \u2013 Biomolecules, the students will learn important topics about chemical composition. The students will be able to analyze a living tissue sample and identify a specific organic compound in higher classes, a fundamental understanding of different types of tissues, anatomy, morphology, the common site where they are found, distinct functionalities they carry out, &amp; more are equally needed to understand concepts.<\/p>\n<p>Class 11 Biology Chapter 9 solutions enable the students to understand different chemical reactions and their conversions, the role of enzymes, the nature of different enzyme actions, various factors affecting the activity of enzymes, and the classification and nomenclature of different enzymes.<\/p>\n<p>All the carbon compounds that we get from living tissues can be called \u2018biomolecules\u2019, which is a simple definition of biomolecules. Along with this, students shall learn How to Analyse Chemical Composition? Primary and Secondary Metabolites, Biomacromolecules, Proteins, Polysaccharides, Nucleic Acids, Structure of Proteins, Nature of Bond Linking Monomers in a Polymer, Dynamic State of Body Constituents &#8211; Concept of Metabolism, Metabolic Basis for Living, The Living State and Enzymes.<\/p>\n<p>While learning about Enzymes; students will also be able to know Chemical Reactions, How do Enzymes bring about such High Rates of Chemical Conversions? Nature of Enzyme Action, Factors Affecting Enzyme Activity, Classification and Nomenclature of Enzymes and Co-factors. Although there is a bewildering diversity of living organisms, their chemical composition and metabolic reactions appear to be remarkably similar. This similarity can be easily drawn through an in-depth study of NCERT Grade 11 Chapter 9, Biomolecules.<\/p>\n<p>Class 11 Biology Chapter 9 solutions assist the students to easily complete their assignments on time. These solutions also help in the quick, last-minute revision of the chapter during any test &amp; final exams. NCERT Solutions for Class 11 Biology Chapter 9 pdf is an easy preparation tool that enables the students to easily understand the concept and score good marks.<\/p>\n<p>CBSE Class 11 Biology Chapter 9 Solutions cover the following exercises:<\/p>\n<ul>\n<li>Exercise 9.1 &#8211; How to analyze chemical composition?<\/li>\n<li>Exercise 9.2 &#8211; Primary And Secondary Metabolites<\/li>\n<li>Exercise 9.3 &#8211; Biomacromolecules<\/li>\n<li>Exercise 9.4 &#8211; Proteins<\/li>\n<li>Exercise 9.5 &#8211; Polysaccharides<\/li>\n<li>Exercise 9.6 &#8211; Nucleic Acids<\/li>\n<li>Exercise 9.7 &#8211; Structure Of Proteins<\/li>\n<li>Exercise 9.8 &#8211; Nature Of Bond Linking Monomers In A Polymer<\/li>\n<li>Exercise 9.9 &#8211; Dynamic State Of Body Constituents \u2013 Concept Of Metabolism<\/li>\n<li>Exercise 9.10 &#8211; Metabolic Basis For Living<\/li>\n<li>Exercise 9.11 &#8211; The Living State<\/li>\n<li>Exercise 9.12 &#8211; Enzymes<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"benefits-of-solutions-class-11-biology-chapter-9-%e2%80%93-biomolecules\"><\/span>Benefits of Solutions Class 11 Biology Chapter 9 \u2013 Biomolecules<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>CBSE Class 11 Biology Chapter 9 solutions are crafted by subject matter experts<\/li>\n<li>The solutions are provided according to the expected answering pattern &amp; easy to understand<\/li>\n<li>Class 11 Biology Chapter 9 solutions pdf download can be easily accessible &amp; help the students to score good marks.<\/li>\n<\/ul>\n<div>\n<h2><span class=\"ez-toc-section\" id=\"important-notes-on-biomolecules\"><\/span>Important Notes On Biomolecules<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div>\n<div>\n<ul>\n<li>1. Polysaccharides: These are long chains of polymers of monosaccharides.<\/li>\n<li>2. Starch: Store house of energy in plant tissues. Forms helical secondary structures, made of only glucose monomers.<\/li>\n<li>3. Cellulose: Homopolymer of glucose. It does not have certain complex helices. Cotton fiber is cellulose.<\/li>\n<li>4. Glycogen: Is a branched homopolymer, found as a storage polysaccharide in animals.<\/li>\n<li>5. Inulin: A polymer of fructose.<\/li>\n<li>6. Chitin: Chemically modified sugar (amino-sugars) N-acetyl galactosamine form the exoskeleton of arthropods; heteropolymer.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div>\n<h4><span class=\"ez-toc-section\" id=\"we-have-covered-the-complete-guide-on-cbse-ncert-solutions-for-class-11-biology-chapter-9-%e2%80%93-biomolecules-feel-free-to-ask-us-any-questions-in-the-comment-section-below\"><\/span><span style=\"font-size: inherit; background-color: initial;\">We have covered the complete guide on <\/span><a style=\"font-size: inherit; background-color: initial;\" href=\"http:\/\/cbse.nic.in\/\" target=\"_blank\" rel=\"noopener noreferrer\">CBSE<\/a><span style=\"font-size: inherit; background-color: initial;\"> NCERT Solutions for Class 11 Biology Chapter 9 \u2013 Biomolecules. Feel free to ask us any questions in the comment section below.<\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<h2><span class=\"ez-toc-section\" id=\"faqs-on-ncert-solutions-for-class-11-biology-chapter-9\"><\/span>FAQs on NCERT Solutions for Class 11 Biology Chapter 9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1627391011078\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"how-has-chitin-defined-in-chapter-9-ncert-solutions-for-class-11-biology\"><\/span>How has Chitin defined in Chapter 9 <strong>NCERT Solutions for Class 11 Biology<\/strong>?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Chitin: Chemically modified sugar (amino-sugars) N-acetyl galactosamine form exoskeleton of arthropods; heteropolymer.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1627391089101\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"how-has-starch-defined-in-chapter-9-ncert-solutions-for-class-11-biology\"><\/span>How has Starch defined in Chapter 9 <strong>NCERT Solutions for Class 11 Biology<\/strong>?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Starch: Storehouse of energy in plant tissues. Forms helical secondary structures, made of only glucose monomers.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1627391128256\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"can-i-find-the-pdf-of-ncert-solutions-for-class-11-biology-chapter-9\"><\/span>Can I find the PDF of <strong>NCERT Solutions for Class 11 Biology<\/strong> Chapter 9?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Yes, the download link for the PDF is available in the above blog.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1627391202510\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"how-much-will-it-cost-to-download-the-pdf-of-ncert-solutions-for-class-11-biology-chapter-9\"><\/span>How much will it cost to download the PDF of <strong>NCERT Solutions for Class 11 Biology<\/strong> Chapter 9?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>You can download the PDF for free.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 11 Biology Chapter 9: With the help of NCERT solutions for Class 11 Biology Chapter 9, the students understand the concept of the chemical composition of matter found in living entities. These solutions are created for all the questions available in the NCERT textbook &amp; designed in the same order for &#8230; <a title=\"NCERT Solutions for Class 11 Biology Chapter 9 \u2013 Biomolecules\" class=\"read-more\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-biology-chapter-9\/\" aria-label=\"More on NCERT Solutions for Class 11 Biology Chapter 9 \u2013 Biomolecules\">Read more<\/a><\/p>\n","protected":false},"author":250,"featured_media":55675,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":""},"categories":[2934],"tags":[3428],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/55703"}],"collection":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/users\/250"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/comments?post=55703"}],"version-history":[{"count":5,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/55703\/revisions"}],"predecessor-version":[{"id":388243,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/55703\/revisions\/388243"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media\/55675"}],"wp:attachment":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media?parent=55703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/categories?post=55703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/tags?post=55703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}