{"id":7080,"date":"2026-10-22T13:11:47","date_gmt":"2026-10-22T13:11:47","guid":{"rendered":"https:\/\/ksquareinstitute.in\/blog\/?p=7080"},"modified":"2026-10-22T13:11:49","modified_gmt":"2026-10-22T13:11:49","slug":"biomolecules-neet-pyq-analysis","status":"publish","type":"post","link":"https:\/\/ksquareinstitute.in\/blog\/biomolecules-neet-pyq-analysis\/","title":{"rendered":"Biomolecules NEET PYQ Analysis: Enzymes, Proteins and Repeated Patterns"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Quick answer:<\/strong> A biomolecules NEET PYQ analysis shows that NTA asks about two questions a year from this Class 11 Biology chapter, and most come from five areas: enzymes (classification, cofactors, inhibition and factors affecting activity), protein structure and functions, amino acids and lipids, nucleosides vs nucleotides, and the NCERT table of secondary metabolites. Almost every question is a direct NCERT table or line.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"432\" src=\"https:\/\/ksquareinstitute.in\/blog\/wp-content\/uploads\/2026\/10\/Biomolecules-NEET-PYQ-Analysis-Protein-and-Enzyme-1024x432.jpg\" alt=\"Biomolecules NEET PYQ analysis showing a protein helix, an enzyme with its substrate, sugars and nucleotides\" class=\"wp-image-7081\" srcset=\"https:\/\/ksquareinstitute.in\/blog\/wp-content\/uploads\/2026\/10\/Biomolecules-NEET-PYQ-Analysis-Protein-and-Enzyme-1024x432.jpg 1024w, https:\/\/ksquareinstitute.in\/blog\/wp-content\/uploads\/2026\/10\/Biomolecules-NEET-PYQ-Analysis-Protein-and-Enzyme-300x127.jpg 300w, https:\/\/ksquareinstitute.in\/blog\/wp-content\/uploads\/2026\/10\/Biomolecules-NEET-PYQ-Analysis-Protein-and-Enzyme-768x324.jpg 768w, https:\/\/ksquareinstitute.in\/blog\/wp-content\/uploads\/2026\/10\/Biomolecules-NEET-PYQ-Analysis-Protein-and-Enzyme-1536x648.jpg 1536w, https:\/\/ksquareinstitute.in\/blog\/wp-content\/uploads\/2026\/10\/Biomolecules-NEET-PYQ-Analysis-Protein-and-Enzyme.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This guide breaks down what NTA repeats, the tables you must know and PYQ-pattern questions with answers. For the chapter notes, use our <a href=\"https:\/\/ksquareinstitute.in\/blog\/biomolecules-class-11-biology-pdf\">Biomolecules class 11 notes<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Want to test yourself first? <a href=\"https:\/\/ksquareinstitute.com\/questions\/neet-previous-year-questions\/biology\/biomolecules\/questions\/\" target=\"_blank\" rel=\"noopener\">Solve the Biomolecules PYQs<\/a> for free, then use this guide to fix the gaps.<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Table of Contents<\/h2><nav><ul><li><a href=\"#why-biomolecules-is-worth-your-time\">Why Biomolecules Is Worth Your Time<\/a><\/li><li><a href=\"#biomolecules-neet-pyq-analysis-what-nta-repeats\">Biomolecules NEET PYQ Analysis: What NTA Repeats<\/a><\/li><li><a href=\"#how-biomolecules-are-analysed\">How Biomolecules Are Analysed<\/a><\/li><li><a href=\"#amino-acids-lipids-and-nucleotides\">Amino Acids, Lipids and Nucleotides<\/a><\/li><li><a href=\"#secondary-metabolites-the-matching-table\">Secondary Metabolites: The Matching Table<\/a><\/li><li><a href=\"#proteins-functions-and-structure\">Proteins: Functions and Structure<\/a><\/li><li><a href=\"#polysaccharides\">Polysaccharides<\/a><\/li><li><a href=\"#enzymes-the-most-tested-part\">Enzymes: The Most Tested Part<\/a><\/li><li><a href=\"#worked-pyq-pattern-questions\">Worked PYQ-Pattern Questions<\/a><\/li><li><a href=\"#common-traps-in-this-chapter\">Common Traps in This Chapter<\/a><\/li><li><a href=\"#practise-every-biomolecules-pyq\">Practise Every Biomolecules PYQ<\/a><\/li><li><a href=\"#conclusion\">Conclusion<\/a><\/li><li><a href=\"#\u2753-faq\">FAQ<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 id=\"why-biomolecules-is-worth-your-time\" class=\"wp-block-heading\">Why Biomolecules Is Worth Your Time<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The chapter has more than a hundred past questions, and enzymes alone produce a large share of them. Most questions are table-based: protein functions, enzyme classes, cofactors and secondary metabolites. To see where it sits among other chapters, check the <a href=\"https:\/\/ksquareinstitute.in\/blog\/neet-2027-syllabus-chapter-weightage\">NEET 2027 chapter weightage<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our list of the <a href=\"https:\/\/ksquareinstitute.in\/blog\/most-repeated-biology-chapter-in-neet\">most repeated biology chapters<\/a> shows how often it returns. Its nucleic acid part continues in our <a href=\"https:\/\/ksquareinstitute.in\/blog\/molecular-basis-inheritance-neet-pyq-analysis\">Molecular Basis PYQ analysis<\/a>. Chemistry has its own Biomolecules chapter too; our <a href=\"https:\/\/ksquareinstitute.in\/blog\/biomolecules-class-12-chemistry\">Biomolecules class 12 Chemistry notes<\/a> cover that side.<\/p>\n\n\n\n<h2 id=\"biomolecules-neet-pyq-analysis-what-nta-repeats\" class=\"wp-block-heading\">Biomolecules NEET PYQ Analysis: What NTA Repeats<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When you sort the past NEET biology PYQs from this chapter, five question types cover nearly everything.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-white-background-color has-background has-border-color has-black-border-color\" style=\"border-width:2px\"><thead><tr><th>Question type<\/th><th>Frequency<\/th><th>What it tests<\/th><\/tr><\/thead><tbody><tr><td>Enzymes<\/td><td>Most frequent<\/td><td>Six classes, cofactors, competitive inhibition, effect of temperature, pH and substrate<\/td><\/tr><tr><td>Proteins<\/td><td>Very frequent<\/td><td>Functions (collagen, GLUT-4, insulin, trypsin), levels of protein structure<\/td><\/tr><tr><td>Amino acids and lipids<\/td><td>Regular<\/td><td>R groups, acidic and basic amino acids, fatty acids, phospholipids<\/td><\/tr><tr><td>Nucleosides and nucleotides<\/td><td>Regular<\/td><td>Base + sugar vs base + sugar + phosphate, naming<\/td><\/tr><tr><td>Secondary metabolites<\/td><td>Regular<\/td><td>Matching the NCERT table: alkaloids, toxins, lectins, drugs<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For a quick warm-up, try these <a href=\"https:\/\/ksquareinstitute.in\/blog\/top-5-biomolecules-questions\">five quick Biomolecules questions<\/a>.<\/p>\n\n\n\n<h2 id=\"how-biomolecules-are-analysed\" class=\"wp-block-heading\">How Biomolecules Are Analysed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Living tissue is ground in <strong>trichloroacetic acid (Cl\u2083CCOOH)<\/strong> and filtered:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The <strong>acid-soluble pool<\/strong> (filtrate) holds small molecules with molecular weights of about 18 to 800 daltons.<\/li>\n\n\n\n<li>The <strong>acid-insoluble fraction<\/strong> (retentate) holds proteins, nucleic acids and polysaccharides, which are macromolecules, and <strong>lipids<\/strong>.<\/li>\n\n\n\n<li>Lipids are not true macromolecules (their molecular weight is under 800 Da), but they appear in the acid-insoluble fraction because membranes break into insoluble vesicles.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-white-background-color has-background has-border-color has-black-border-color\" style=\"border-width:2px\"><thead><tr><th>Component<\/th><th>Share of cell mass<\/th><\/tr><\/thead><tbody><tr><td>Water<\/td><td>70\u201390%<\/td><\/tr><tr><td>Proteins<\/td><td>10\u201315%<\/td><\/tr><tr><td>Nucleic acids<\/td><td>5\u20137%<\/td><\/tr><tr><td>Carbohydrates<\/td><td>3%<\/td><\/tr><tr><td>Lipids<\/td><td>2%<\/td><\/tr><tr><td>Ions<\/td><td>1%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"amino-acids-lipids-and-nucleotides\" class=\"wp-block-heading\">Amino Acids, Lipids and Nucleotides<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Amino acids<\/strong> are substituted methanes with an amino group, a carboxyl group, a hydrogen and a variable R group on the \u03b1-carbon. The R group is hydrogen in <strong>glycine<\/strong>, a methyl group in <strong>alanine<\/strong> and a hydroxymethyl group in <strong>serine<\/strong>.<\/li>\n\n\n\n<li><strong>Acidic<\/strong> amino acid: glutamic acid. <strong>Basic<\/strong>: lysine. <strong>Neutral<\/strong>: valine. <strong>Aromatic<\/strong>: tyrosine, phenylalanine and tryptophan.<\/li>\n\n\n\n<li><strong>Fatty acids<\/strong> can be saturated (no double bonds) or unsaturated. Palmitic acid has 16 carbons including the carboxyl carbon, and arachidonic acid has 20.<\/li>\n\n\n\n<li><strong>Lecithin<\/strong> is a phospholipid found in cell membranes. Oils, such as gingelly oil, have lower melting points and stay liquid in winter.<\/li>\n\n\n\n<li>A <strong>nucleoside<\/strong> is a base + sugar (adenosine, guanosine, thymidine, uridine, cytidine). A <strong>nucleotide<\/strong> is a base + sugar + phosphate (adenylic acid, guanylic acid, thymidylic acid, uridylic acid, cytidylic acid).<\/li>\n<\/ul>\n\n\n\n<h2 id=\"secondary-metabolites-the-matching-table\" class=\"wp-block-heading\">Secondary Metabolites: The Matching Table<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-white-background-color has-background has-border-color has-black-border-color\" style=\"border-width:2px\"><thead><tr><th>Category<\/th><th>Examples<\/th><\/tr><\/thead><tbody><tr><td>Pigments<\/td><td>Carotenoids, anthocyanins<\/td><\/tr><tr><td>Alkaloids<\/td><td>Morphine, codeine<\/td><\/tr><tr><td>Terpenoids<\/td><td>Monoterpenes, diterpenes<\/td><\/tr><tr><td>Essential oils<\/td><td>Lemon grass oil<\/td><\/tr><tr><td>Toxins<\/td><td>Abrin, ricin<\/td><\/tr><tr><td>Lectins<\/td><td>Concanavalin A<\/td><\/tr><tr><td>Drugs<\/td><td>Vinblastine, curcumin<\/td><\/tr><tr><td>Polymeric substances<\/td><td>Rubber, gums, cellulose<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This table is asked as a matching question again and again. Abrin and ricin as toxins, and concanavalin A as a lectin, are the most common picks.<\/p>\n\n\n\n<h2 id=\"proteins-functions-and-structure\" class=\"wp-block-heading\">Proteins: Functions and Structure<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-white-background-color has-background has-border-color has-black-border-color\" style=\"border-width:2px\"><thead><tr><th>Protein<\/th><th>Function<\/th><\/tr><\/thead><tbody><tr><td>Collagen<\/td><td>Intercellular ground substance; the most abundant protein in the animal world<\/td><\/tr><tr><td>Trypsin<\/td><td>Enzyme<\/td><\/tr><tr><td>Insulin<\/td><td>Hormone<\/td><\/tr><tr><td>Antibody<\/td><td>Fights infectious agents<\/td><\/tr><tr><td>Receptor<\/td><td>Sensory reception (smell, taste, hormones)<\/td><\/tr><tr><td>GLUT-4<\/td><td>Enables glucose transport into cells<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>RuBisCO<\/strong> is the most abundant protein in the whole biosphere.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Protein structure<\/strong> is asked at all four levels:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Primary:<\/strong> the sequence of amino acids. The first amino acid is the N-terminal and the last is the C-terminal.<\/li>\n\n\n\n<li><strong>Secondary:<\/strong> the chain folds into a helix. Proteins only show <strong>right-handed<\/strong> helices.<\/li>\n\n\n\n<li><strong>Tertiary:<\/strong> the helix folds further into a three-dimensional shape, which is essential for biological activity.<\/li>\n\n\n\n<li><strong>Quaternary:<\/strong> more than one polypeptide chain. Adult human <strong>haemoglobin<\/strong> has four subunits: two \u03b1 and two \u03b2.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"polysaccharides\" class=\"wp-block-heading\">Polysaccharides<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cellulose<\/strong> is a homopolymer of glucose. <strong>Starch<\/strong> stores energy in plants, and <strong>glycogen<\/strong> in animals. <strong>Inulin<\/strong> is a polymer of fructose.<\/li>\n\n\n\n<li><strong>Starch<\/strong> forms helical secondary structures that hold I\u2082, giving a <strong>blue colour<\/strong>. Cellulose has no such helices and does not turn blue.<\/li>\n\n\n\n<li>In a polysaccharide chain, the right end is the <strong>reducing end<\/strong> and the left end the <strong>non-reducing end<\/strong>.<\/li>\n\n\n\n<li><strong>Chitin<\/strong> is a complex polysaccharide with amino sugars; it forms the exoskeleton of arthropods and fungal cell walls.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"enzymes-the-most-tested-part\" class=\"wp-block-heading\">Enzymes: The Most Tested Part<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Enzyme classification<\/strong> has six classes, and NTA often describes a reaction and asks which class does it:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-white-background-color has-background has-border-color has-black-border-color\" style=\"border-width:2px\"><thead><tr><th>Class<\/th><th>What it does<\/th><\/tr><\/thead><tbody><tr><td>Oxidoreductases \/ dehydrogenases<\/td><td>Oxidation\u2013reduction between two substrates<\/td><\/tr><tr><td>Transferases<\/td><td>Transfer a group (other than hydrogen) between substrates<\/td><\/tr><tr><td>Hydrolases<\/td><td>Hydrolyse ester, ether, peptide, glycosidic, C\u2013C, C\u2013halide or P\u2013N bonds<\/td><\/tr><tr><td>Lyases<\/td><td>Remove groups by a mechanism other than hydrolysis, leaving double bonds<\/td><\/tr><tr><td>Isomerases<\/td><td>Inter-convert optical, geometric or positional isomers<\/td><\/tr><tr><td>Ligases<\/td><td>Join two compounds, linking C\u2013O, C\u2013S, C\u2013N or P\u2013O bonds<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cofactors<\/strong> come in three types:<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-white-background-color has-background has-border-color has-black-border-color\" style=\"border-width:2px\"><thead><tr><th>Cofactor<\/th><th>Binding<\/th><th>Example<\/th><\/tr><\/thead><tbody><tr><td>Prosthetic group<\/td><td>Tightly bound<\/td><td>Haem in peroxidase and catalase<\/td><\/tr><tr><td>Co-enzyme<\/td><td>Loosely bound, temporary<\/td><td>NAD and NADP (contain the vitamin niacin)<\/td><\/tr><tr><td>Metal ion<\/td><td>Forms coordination bonds<\/td><td>Zinc for carboxypeptidase<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The protein part of the enzyme is the <strong>apoenzyme<\/strong>; when the cofactor is removed, catalytic activity is lost.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Beyond enzyme classification, these enzyme facts repeat:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Almost all enzymes are proteins; <strong>ribozymes<\/strong> are nucleic acids with catalytic power.<\/li>\n\n\n\n<li><strong>Carbonic anhydrase<\/strong> speeds up CO\u2082 + H\u2082O \u2192 H\u2082CO\u2083 from about 200 molecules an hour to about 6,00,000 molecules a second, about 10 million times faster.<\/li>\n\n\n\n<li>Enzymes work by lowering the <strong>activation energy<\/strong> through an enzyme\u2013substrate complex.<\/li>\n\n\n\n<li>Activity rises with temperature and pH up to an <strong>optimum<\/strong>, then falls. Enzymes of thermophilic organisms in hot springs stay stable at 80\u201390 \u00b0C.<\/li>\n\n\n\n<li>With rising substrate concentration, velocity rises and then levels off at <strong>Vmax<\/strong>, because all active sites are filled.<\/li>\n\n\n\n<li>In <strong>competitive inhibition<\/strong>, the inhibitor resembles the substrate. <strong>Malonate inhibits succinic dehydrogenase<\/strong> because it resembles succinate. Competitive inhibitors are used to control bacterial pathogens.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"worked-pyq-pattern-questions\" class=\"wp-block-heading\">Worked PYQ-Pattern Questions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q1. Malonate inhibits succinic dehydrogenase by:<\/strong> (a) Non-competitive inhibition (b) Competitive inhibition (c) Denaturing the enzyme (d) Feedback inhibition<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Answer: (b) Competitive inhibition.<\/strong> Malonate resembles succinate and competes for the active site.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q2. Zinc is a cofactor for:<\/strong> (a) Catalase (b) Peroxidase (c) Carboxypeptidase (d) Trypsin<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Answer: (c) Carboxypeptidase.<\/strong> Haem is the prosthetic group in catalase and peroxidase.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q3. Match the secondary metabolite with its category: ricin, concanavalin A, codeine.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Answer: Ricin is a toxin, concanavalin A is a lectin, and codeine is an alkaloid.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q4. Which protein enables glucose transport into cells?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Answer: GLUT-4.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q5. An enzyme that removes a group from a substrate, leaving a double bond, belongs to the class:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Answer: Lyases.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q6. Which polysaccharide gives a blue colour with iodine?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Answer: Starch,<\/strong> because its helical structure holds I\u2082. Cellulose does not.<\/p>\n\n\n\n<h2 id=\"common-traps-in-this-chapter\" class=\"wp-block-heading\">Common Traps in This Chapter<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Calling lipids true macromolecules (they only appear in the acid-insoluble fraction)<\/li>\n\n\n\n<li>Mixing up nucleosides (no phosphate) and nucleotides (with phosphate)<\/li>\n\n\n\n<li>Saying collagen is the most abundant protein in the biosphere (it is RuBisCO; collagen is the most abundant in animals)<\/li>\n\n\n\n<li>Swapping prosthetic groups (tightly bound) and co-enzymes (loosely bound)<\/li>\n\n\n\n<li>Confusing lyases with hydrolases<\/li>\n\n\n\n<li>Saying proteins form left-handed helices<\/li>\n<\/ul>\n\n\n\n<h2 id=\"practise-every-biomolecules-pyq\" class=\"wp-block-heading\">Practise Every Biomolecules PYQ<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This biomolecules NEET PYQ analysis shows you where the marks are. Solving real past questions makes the tables automatic. Every Biomolecules previous year question is available chapter-wise, free:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 <strong><a href=\"https:\/\/ksquareinstitute.com\/questions\/neet-previous-year-questions\/biology\/biomolecules\/\" target=\"_blank\" rel=\"noopener\">Solve all Biomolecules NEET PYQs<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keep the enzyme and secondary metabolite tables beside you for the first round, then solve the second round without them.<\/p>\n\n\n\n<h2 id=\"conclusion\" class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Biomolecules is table-driven and highly predictable. Use this biomolecules NEET PYQ analysis to master enzyme classes, cofactors and inhibition, protein functions and structure, nucleosides and nucleotides, and the secondary metabolites table. Then practise the past questions until every match comes without thinking.<\/p>\n\n\n\n<h2 id=\"\u2753-faq\" class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: How many questions come from Biomolecules in NEET Biology?<\/strong> A: Usually about two questions a year, most of them on enzymes, proteins or the secondary metabolites table.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: What is the most important topic in Biomolecules for NEET?<\/strong> A: Enzymes are the most tested: the six classes, cofactors, competitive inhibition and the factors affecting enzyme activity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: What is the most abundant protein in the biosphere?<\/strong> A: RuBisCO. Collagen is the most abundant protein in the animal world.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: What is the difference between a nucleoside and a nucleotide?<\/strong> A: A nucleoside is a nitrogen base joined to a sugar. A nucleotide also has a phosphate group.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: Why are lipids found in the acid-insoluble fraction?<\/strong> A: Lipids are small molecules, but cell membranes break into insoluble vesicles when tissue is ground, so lipids appear with the macromolecules.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: Where can I practise Biomolecules NEET PYQs for free?<\/strong> A: You can solve every Biomolecules previous year question chapter-wise for free using the practice links in this article.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quick answer: A biomolecules NEET PYQ analysis shows that NTA asks about two questions a year from this Class 11 Biology chapter, and most come from five areas: enzymes (classification, cofactors, inhibition and factors affecting activity), protein structure and functions, amino acids and lipids, nucleosides vs nucleotides, and the NCERT table of secondary metabolites. Almost [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7081,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,68,2],"tags":[4302,2804,4303,4306,4305,3423,7,15,4008,2328,4307,3428,4304],"class_list":["post-7080","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-study-tips","category-biology","category-neet","tag-biomolecules","tag-class-11-biology","tag-cofactors","tag-competitive-inhibition","tag-enzyme-classification","tag-enzymes","tag-neet-2027","tag-neet-biology","tag-neet-chapter-wise-pyq","tag-neet-pyq","tag-nucleotides","tag-protein-structure","tag-secondary-metabolites"],"_links":{"self":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/7080","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/comments?post=7080"}],"version-history":[{"count":1,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/7080\/revisions"}],"predecessor-version":[{"id":7082,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/7080\/revisions\/7082"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/media\/7081"}],"wp:attachment":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/media?parent=7080"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/categories?post=7080"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/tags?post=7080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}