{"id":51339,"date":"2022-01-18T10:30:38","date_gmt":"2022-01-18T05:00:38","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=51339"},"modified":"2025-07-31T17:41:42","modified_gmt":"2025-07-31T12:11:42","slug":"ncert-solutions-for-class-12-biology-chapter-14-ecosystem-14-3-decomposition","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/","title":{"rendered":"NCERT Solutions for Class 12 Biology Chapter 14 Ecosystem 14.3 Decomposition"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 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\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><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><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/#NCERT_Solutions_for_Class_12_Biology_Chapter_14_Topic-_Decomposition\" title=\"NCERT Solutions for Class 12 Biology Chapter 14 Topic- Decomposition\">NCERT Solutions for Class 12 Biology Chapter 14 Topic- Decomposition<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/#Overview_of_Topics\" title=\"Overview of Topics\">Overview of Topics<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/#Factors_Affecting_Decomposition\" title=\"Factors Affecting Decomposition\">Factors Affecting Decomposition<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/#Steps_in_Decomposition\" title=\"Steps in Decomposition\">Steps in Decomposition<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/#How_NCERT_Chapter_14_Class_12_Biology_Can_Help_You_Reach_Your_Goals\" title=\"How NCERT Chapter 14 Class 12 Biology Can Help You Reach Your Goals?\">How NCERT Chapter 14 Class 12 Biology Can Help You Reach Your Goals?<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/#Importance_of_NCERT_Solutions\" title=\"Importance of NCERT Solutions\">Importance of NCERT Solutions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/#Quality_of_SolutionsPrepared_by_Expert_Teachers\" title=\"Quality of Solutions\/Prepared by Expert Teachers\">Quality of Solutions\/Prepared by Expert Teachers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/#Helps_in_Scoring_high_Marks\" title=\"Helps in Scoring high Marks\">Helps in Scoring high Marks<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/#FAQs_on_NCERT_Solutions_for_Class_12_Biology_Chapter_14_Ecosystem_143_Decomposition\" title=\"FAQs on NCERT Solutions for Class 12 Biology Chapter 14 Ecosystem 14.3 Decomposition\">FAQs on NCERT Solutions for Class 12 Biology Chapter 14 Ecosystem 14.3 Decomposition<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/#What_is_a_decomposition_process\" title=\"What is a decomposition process?\">What is a decomposition process?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/#What_is_an_example_of_decompose\" title=\"What is an example of decompose?\">What is an example of decompose?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/#What_is_simple_decomposition\" title=\"What is simple decomposition?\">What is simple decomposition?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/chapter-14-ecosystem-14-3-decomposition\/#Why_is_decomposition_important\" title=\"Why is decomposition important?\">Why is decomposition important?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_12_Biology_Chapter_14_Topic-_Decomposition\"><\/span>NCERT Solutions for Class 12 Biology Chapter 14 Topic- Decomposition<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>NCERT Solutions for Class 12 Biology Chapter 14 Topic- Decomposition<\/strong> and all chapter Topics produced by qualified teachers according to NCERT (CBSE) book rules are available as a free PDF download. Class 12 Biology Chapter 14 Topic- Decomposition Questions with Solutions to assist you in revising the entire syllabus and achieving higher grades. Register to receive all exercise solutions through email.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Overview_of_Topics\"><\/span>Overview of Topics<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Decomposition<\/strong> means breaking things down. It happens when complex stuff turns into simpler stuff. This is really important for nature. Decomposition is like a makeover for materials in nature. Bacteria, fungi, and other tiny living things start this process. They eat dead things to stay alive. When plants and animals die, they become raw materials for decomposition. This creates useful stuff like nutrients, carbon dioxide, and water. Dead plants and animals are called <strong>detritus<\/strong><\/a>. Microbes change detritus into useful stuff. They are like nature&#8217;s cleanup crew.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Factors_Affecting_Decomposition\"><\/span>Factors Affecting Decomposition<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Here are the key factors that influence how fast things break down:<\/p>\n<ol>\n<li><strong>Type of Stuff<\/strong>: Some things break down quicker than others. For example, mossy stuff decomposes slowly because it has tough chemicals in it.<\/li>\n<li><strong>How Warm or Cold it Is<\/strong>: The temperature affects the tiny organisms that break stuff down. Different places have different temperatures, which changes how many of these organisms there are.<\/li>\n<li><strong>How Much Air There Is<\/strong>: Tiny living things need air to break stuff down. In wet areas where there isn&#8217;t much air, different tiny organisms work on breaking things down.<\/li>\n<li><strong>Soil&#8217;s Sourness Level<\/strong>: The soil&#8217;s acidity level affects the growth of the tiny organisms.<\/li>\n<li><strong>Stuff in the Dirt<\/strong>: After things break down, certain chemicals like potassium and calcium get released into the soil. These chemicals help the tiny organisms grow and influence how fast things decompose.<\/li>\n<li><strong>How Wet the Soil Is<\/strong>: Water in the soil helps the tiny organisms do their job. So, whether the soil is dry or wet affects how fast things break down.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Steps_in_Decomposition\"><\/span>Steps in Decomposition<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>Breaking down debris into tiny pieces by tiny creatures is called fragmentation.<\/li>\n<li>Leaching happens when nutrients dissolve in water and settle in the soil, becoming unavailable.<\/li>\n<li>Catabolism is when bacteria and fungi enzymes break down debris into simple nutrients.<\/li>\n<li>Humification is the making of dark, organic stuff called humus that sticks around for a long time and acts as a nutrient stash.<\/li>\n<li>Mineralization is when tiny organisms break down humus to make simple nutrients.<\/li>\n<\/ol>\n<p>All these decomposition steps happen together on debris. Decomposition needs oxygen and happens faster when debris has lots of nitrogen and water-soluble stuff.<\/p>\n<p>Warm and wet places are best for decomposition because microbes like it there. Cold and airless conditions slow decomposition, so organic stuff piles up.<\/p>\n<p><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-12\/biology\/\"> <button class=\"btn btn-primary\" style=\"width: 100%; cursor: pointer;\" type=\"button\">NCERT Solutions for Class 12 Biology<\/button> <\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_NCERT_Chapter_14_Class_12_Biology_Can_Help_You_Reach_Your_Goals\"><\/span>How NCERT Chapter 14 Class 12 Biology Can Help You Reach Your Goals?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Most students don&#8217;t like biology. It&#8217;s mostly because of India&#8217;s education system, which isn&#8217;t great. People trust what they learn in class, but now NCERT and INFINITY learn want to change that. They&#8217;re using technology to improve education.<\/p>\n<p>One good example is our <strong>Class 12 Biology Solutions for Chapter 14<\/strong>. You can use our app to easily access simple study materials wherever you are. Just download the <strong><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.infinitylearn.learn&amp;referrer=utm_source%3Dsurge%26utm_medium%3Dbutton%26utm_campaign%3Dsurge\">INFINITY learn app<\/a><\/strong> on your phone.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Importance_of_NCERT_Solutions\"><\/span>Importance of NCERT Solutions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The National Council for Educational Research and Training (NCERT) is responsible for setting guidelines to improve education access for all students in the country. INFINITY adapts its content based on these guidelines, aiming to help students like you. Math requires consistent practice for mastery. INFINITY focuses on helping students understand the factors affecting their arithmetic problem-solving abilities. By providing solutions for Class 12 Chapter 14, it aids in better understanding of Functions, boosting confidence and improving grades over time.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Quality_of_SolutionsPrepared_by_Expert_Teachers\"><\/span>Quality of Solutions\/Prepared by Expert Teachers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>All the answers provided in the INFINITY learn Chapter 14 of Class 12 Biology are completely authentic as they present diverse ways to solve problems. Our team consists of experienced teachers with strong math skills. Likewise, all the solutions given are accurate as they were carefully crafted under expert supervision<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Helps_in_Scoring_high_Marks\"><\/span>Helps in Scoring high Marks<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If a student has a strong grasp of the basics, they can tackle any related challenges by sticking to fundamental concepts. The solutions provided in Chapter 14 of Class 12 Biology are aimed at explaining all the essential functions. We ensure that you understand the application of each mathematical step. Every problem has been carefully analyzed. Therefore, utilize INFINITY learn&#8217;s online resources to enhance your grades over time.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs_on_NCERT_Solutions_for_Class_12_Biology_Chapter_14_Ecosystem_143_Decomposition\"><\/span>FAQs on NCERT Solutions for Class 12 Biology Chapter 14 Ecosystem 14.3 Decomposition<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_a_decomposition_process\"><\/span>What is a decomposition process?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tDecomposition refers to the process of breaking things down. It usually involves complex organic matter breaking apart into simpler inorganic substances. This process is vital for ecosystems to function properly.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_an_example_of_decompose\"><\/span>What is an example of decompose?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tHere are a few instances of breaking shapes in everyday situations: Dividing a pizza into slices. This involves separating a round shape into sections. Ripping an A4 sheet of paper into two pieces. This means splitting a rectangle into two smaller rectangles. Cutting a lemon slice in half.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_simple_decomposition\"><\/span>What is simple decomposition?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tThe most basic type of decomposition reaction happens when a compound breaks down into its parts. For instance, when we heat up red solid mercury (II) oxide, it breaks apart to form mercury and oxygen gas.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Why_is_decomposition_important\"><\/span>Why is decomposition important?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tOver time, if leaves and other plant parts don't break down, a lot of nitrogen would stay trapped in them. This would leave insufficient nitrogen for the plant to grow new leaves, stems, and wood. Additionally, dead leaves and wood would pile up on the ground without ever decaying, covering its surface indefinitely.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is a decomposition process?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Decomposition refers to the process of breaking things down. It usually involves complex organic matter breaking apart into simpler inorganic substances. This process is vital for ecosystems to function properly.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is an example of decompose?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Here are a few instances of breaking shapes in everyday situations: Dividing a pizza into slices. This involves separating a round shape into sections. Ripping an A4 sheet of paper into two pieces. This means splitting a rectangle into two smaller rectangles. Cutting a lemon slice in half.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is simple decomposition?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"The most basic type of decomposition reaction happens when a compound breaks down into its parts. For instance, when we heat up red solid mercury (II) oxide, it breaks apart to form mercury and oxygen gas.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Why is decomposition important?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Over time, if leaves and other plant parts don't break down, a lot of nitrogen would stay trapped in them. This would leave insufficient nitrogen for the plant to grow new leaves, stems, and wood. Additionally, dead leaves and wood would pile up on the ground without ever decaying, covering its surface indefinitely.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 12 Biology Chapter 14 Topic- Decomposition NCERT Solutions for Class 12 Biology Chapter 14 Topic- Decomposition [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"NCERT Solutions for class 12 Biology chapter 14 ecosystem 14.3 decomposition","_yoast_wpseo_title":"NCERT Class 12 Biology Ch. 14 Ecosystem: Decomposition Solutions","_yoast_wpseo_metadesc":"Explore comprehensive NCERT solutions for Class 12 Biology Chapter 14 on Ecosystem focusing on section 14.3 decomposition. 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