{"id":4069,"date":"2016-05-06T11:49:00","date_gmt":"2016-05-06T06:19:00","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/"},"modified":"2023-03-22T16:47:39","modified_gmt":"2023-03-22T11:17:39","slug":"ncert-solutions-class-10-science-our-environment-part-1","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/","title":{"rendered":"NCERT Solutions for Class 10 Science Our Environment Part 1"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 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 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=\"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:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/#NCERT_Class_10_Science_Chapter_wise_Solutions\" >NCERT Class 10 Science Chapter wise Solutions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/#NCERT_Solutions_for_Class_10_Science_Our_Environment_Part_1\" >NCERT Solutions for Class 10 Science Our Environment Part 1<\/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:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/#1_Why_are_some_substances_biodegradable_and_some_non-biodegradable\" >1. Why are some substances biodegradable and some non-biodegradable?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/#2_Give_any_two_ways_in_which_biodegradable_substances_would_affect_the_environment\" >2. Give any two ways in which biodegradable substances would affect the environment.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/#3_Give_any_two_ways_in_which_non-biodegradable_substances_would_affect_the_environment\" >3. Give any two ways in which non-biodegradable substances would affect the environment.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/#1_What_are_trophic_levels_Give_an_example_of_a_food_chain_and_state_the_different_trophic_level_in_it\" >1. What are trophic levels? Give an example of a food chain and state the different trophic level in it.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/#2_What_is_the_role_of_decomposers_in_the_ecosystem\" >2. What is the role of decomposers in the ecosystem?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/#1_What_is_a_ozone_and_how_does_it_affects_any_ecosystem\" >1. What is a ozone and how does it affects any ecosystem?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/#2_How_can_you_help_in_reducing_the_problems_of_waste_disposal_Give_any_two_methods\" >2. How can you help in reducing the problems of waste disposal? Give any two methods.<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/#NCERT_Solutions_for_Class_10_Science_Chapter_15_Our_Environment\" >NCERT Solutions for Class 10 Science Chapter 15 Our Environment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/#CBSE_app_for_Students\" >CBSE app for Students<\/a><\/li><\/ul><\/nav><\/div>\n<p>NCERT Solutions for Class 10 Science Our Environment Part 1 Class 10 Science Class book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE Board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 10 Science chapter wise NCERT solution for Science Book for all the chapters can be downloaded from our website and myCBSEguide mobile app for free.<\/p>\n<p style=\"text-align: center;\"><strong>NCERT solutions for Class 10 Science\u00a0Our Environment <a class=\"button\" href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-10-science\/1176\/ncert-solutions\/5\/\">Download as PDF<\/a><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" src=\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/10%20Science%20Book.jpg\" alt=\"NCERT Solutions for Class 10 Science Our Environment Part 1\" width=\"115\" height=\"142\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Class_10_Science_Chapter_wise_Solutions\"><\/span><span class=\"underline-text\">NCERT Class 10 Science Chapter wise Solutions<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>1 \u2013 Chemical Reactions and Equations<\/li>\n<li>2 \u2013 Acids, Bases and Salts<\/li>\n<li>3 \u2013 Metals and Non-metals<\/li>\n<li>4 \u2013 Carbon and Its Compounds<\/li>\n<li>5 \u2013 Periodic Classification of Elements<\/li>\n<li>6 \u2013 Life Processes<\/li>\n<li>7 \u2013 Control and Coordination<\/li>\n<li>8 \u2013 How do Organisms Reproduce?<\/li>\n<li>9 \u2013 Heredity and Evolution<\/li>\n<li>10 \u2013 Light Reflection and Refraction<\/li>\n<li>11 \u2013 Human Eye and Colourful World<\/li>\n<li>12 \u2013 Electricity<\/li>\n<li>13 \u2013 Magnetic Effects of Electric Current<\/li>\n<li>14 \u2013 Sources of Energy<\/li>\n<li>15 \u2013 Our Environment<\/li>\n<li>16 \u2013 Management of Natural Resources<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_10_Science_Our_Environment_Part_1\"><\/span>NCERT Solutions for Class 10 Science Our Environment Part 1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Why_are_some_substances_biodegradable_and_some_non-biodegradable\"><\/span><strong>1. Why are some substances biodegradable and some non-biodegradable?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><strong>Ans. <\/strong>Substances which can be acted upon by microorganism (decomposer) are called biodegradable. For example- vegetable wastes, paper, cotton etc.<\/p>\n<p style=\"text-align: justify;\">On the other hand, materials which are not acted upon by decomposers are called non-biodegradable. For example- plastic, glass, polyethene etc.<\/p>\n<hr \/>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"2_Give_any_two_ways_in_which_biodegradable_substances_would_affect_the_environment\"><\/span><strong>2. Give any two ways in which biodegradable substances would affect the environment. <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><strong>Ans. (a)<\/strong> They will serve as breeding ground for flies and mosquitoes which are carriers of disease like cholera, malaria etc.<\/p>\n<p style=\"text-align: justify;\"><strong>(b)<\/strong> They produce foul smell, thus causing air pollution.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Our Environment Part 1<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Give_any_two_ways_in_which_non-biodegradable_substances_would_affect_the_environment\"><\/span><strong>3. Give any two ways in which non-biodegradable substances would affect the environment.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans. (a)<\/strong> Excess use of non-biodegradable pesticide and fertilizers run off with rain water to water bodies causes water pollution.<\/p>\n<p style=\"text-align: justify;\"><strong>(b)<\/strong> They may choke the sever system of city or town that may overflow over roads.<\/p>\n<hr \/>\n<p><center>NCERT Solutions for Class 10 Science Our Environment Part 1<\/center><\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_What_are_trophic_levels_Give_an_example_of_a_food_chain_and_state_the_different_trophic_level_in_it\"><\/span><strong>1. What are trophic levels? Give an example of a food chain and state the different trophic level in it.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans. <\/strong>Each step in a food chain constitutes a trophic level. For example,<\/p>\n<p><img decoding=\"async\" id=\"Picture 1\" style=\"height: 57px; width: 386px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch15\/image001.png\" \/><\/p>\n<hr \/>\n<h3><span class=\"ez-toc-section\" id=\"2_What_is_the_role_of_decomposers_in_the_ecosystem\"><\/span><strong>2. What is the role of decomposers in the ecosystem? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans. <\/strong>They decompose dead remains of plants and animals and their wastes organic products into simple inorganic substances which are released into the atmosphere for reuse by the plants. Thus, they help in recycling of materials.<\/p>\n<hr \/>\n<p><center>NCERT Solutions for Class 10 Science Our Environment Part 1<\/center><\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_What_is_a_ozone_and_how_does_it_affects_any_ecosystem\"><\/span><strong>1. What is a ozone and how does it affects any ecosystem?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><strong>Ans. <\/strong>Ozone is a form of oxygen. It has the molecular formula O<sub>3<\/sub>. It is present at a higher level in the atmosphere. It protects the ecosystem from the harmful effects of ultraviolet rays coming from the Sun. UV rays may cause skin cancer, cataract to us.<\/p>\n<hr \/>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"2_How_can_you_help_in_reducing_the_problems_of_waste_disposal_Give_any_two_methods\"><\/span><strong>2. How can you help in reducing the problems of waste disposal? Give any two methods.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\"><strong>Ans. <\/strong>The following measures can be adopted for reducing the problem of waste disposal:<\/p>\n<p style=\"text-align: justify;\"><strong>(i) <\/strong>Reduce the volume of wastes by burning in incinerator.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_10_Science_Chapter_15_Our_Environment\"><\/span>NCERT Solutions for Class 10 Science Chapter 15 Our Environment<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NCERT Solutions Class 10 Science PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 10 Science includes text book solutions from Book. NCERT Solutions for CBSE Class 10 Science have total 16 chapters. 10 Science NCERT Solutions in PDF for free Download on our website. Ncert Science class 10 solutions PDF and Science ncert class 10 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_app_for_Students\"><\/span>CBSE app for Students<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To download\u00a0NCERT Solutions for class 10 Social Science, Computer Science, Home Science,Hindi ,English, Maths Science do check myCBSEguide app or website. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess papers and CBSE important question papers. Sample Paper all are made available through\u00a0<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide&amp;referrer=utm_source%3Dmycbse_bottom%26utm_medium%3Dtext%26utm_campaign%3Dmycbseads\"><strong>the best app for CBSE students<\/strong><\/a>\u00a0and myCBSEguide website.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 10 Science Our Environment Part 1 Class 10 Science Class book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE Board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT &#8230; <a title=\"NCERT Solutions for Class 10 Science Our Environment Part 1\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-our-environment-part-1\/\" aria-label=\"More on NCERT Solutions for Class 10 Science Our Environment Part 1\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":30051,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[281,1367],"tags":[1043,283,438,216,349],"class_list":["post-4069","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ncert-solutions","category-science-cbse-class-10","tag-cbse-class-10-science","tag-cbse-study-material","tag-class-10","tag-ncert-solutions","tag-science"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NCERT Solutions for Class 10 Science Our Environment Part 1<\/title>\n<meta name=\"description\" content=\"NCERT Solutions for Class 10 Science Our Environment Part 1 in PDF format for free download. 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