{"id":7584,"date":"2026-03-06T10:03:38","date_gmt":"2026-03-06T10:03:38","guid":{"rendered":"https:\/\/www.chennaineet.com\/blog\/?p=7584"},"modified":"2026-03-06T12:30:42","modified_gmt":"2026-03-06T12:30:42","slug":"evolution-chapter-class-12-ncert","status":"publish","type":"post","link":"https:\/\/www.chennaineet.com\/blog\/evolution-chapter-class-12-ncert\/","title":{"rendered":"NCERT Book for Class 12 Biology &#8211; (Chapter 7 &#8211; Evolution)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Chapter 7 &#8211; Evolution<\/h2>\n\n\n\n<p>The chapter <strong>Evolution<\/strong> in Class 12 NCERT Biology explains how life on Earth has changed and diversified over millions of years. It discusses the origin of life, early theories of evolution, and the contributions of scientists like <strong>Darwin<\/strong>, who proposed the theory of natural selection. The chapter also explores concepts such as variation, survival of the fittest, adaptive radiation, and the role of mutations in evolution. Evidence from fossils, comparative anatomy, embryology, and molecular biology supports the idea that all living organisms share a common ancestry. Overall, this chapter helps students understand the processes that drive biological diversity and the gradual evolution of species over time.These concepts are important for both Class 12 board exams and <a href=\"https:\/\/www.kaashivinfotech.com\/blog\/which-online-platforms-provide-live-neet-coaching-classes-2026\/\" target=\"_blank\" rel=\"noopener\">NEET<\/a> preparation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Evolution chapter Class 12 NCERT<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-1-764x1024.jpg\" alt=\"\" class=\"wp-image-7585\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-1-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-1-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-1-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-1-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-1-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-1-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-1.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-2-764x1024.jpg\" alt=\"\" class=\"wp-image-7586\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-2-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-2-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-2-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-2-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-2-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-2-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-2.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-3-764x1024.jpg\" alt=\"\" class=\"wp-image-7587\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-3-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-3-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-3-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-3-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-3-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-3-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-3.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-4-764x1024.jpg\" alt=\"\" class=\"wp-image-7588\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-4-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-4-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-4-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-4-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-4-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-4-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-4.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-5-764x1024.jpg\" alt=\"\" class=\"wp-image-7589\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-5-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-5-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-5-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-5-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-5-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-5-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-5.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-6-764x1024.jpg\" alt=\"\" class=\"wp-image-7590\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-6-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-6-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-6-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-6-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-6-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-6-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-6.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-7-764x1024.jpg\" alt=\"\" class=\"wp-image-7591\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-7-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-7-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-7-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-7-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-7-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-7-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-7.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-8-764x1024.jpg\" alt=\"\" class=\"wp-image-7592\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-8-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-8-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-8-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-8-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-8-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-8-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-8.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-9-764x1024.jpg\" alt=\"\" class=\"wp-image-7593\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-9-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-9-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-9-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-9-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-9-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-9-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-9.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-10-764x1024.jpg\" alt=\"\" class=\"wp-image-7594\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-10-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-10-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-10-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-10-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-10-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-10-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-10.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-11-764x1024.jpg\" alt=\"\" class=\"wp-image-7595\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-11-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-11-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-11-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-11-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-11-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-11-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-11.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-12-764x1024.jpg\" alt=\"\" class=\"wp-image-7596\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-12-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-12-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-12-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-12-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-12-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-12-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-12.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-13-764x1024.jpg\" alt=\"\" class=\"wp-image-7597\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-13-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-13-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-13-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-13-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-13-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-13-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-13.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-14-764x1024.jpg\" alt=\"\" class=\"wp-image-7598\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-14-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-14-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-14-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-14-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-14-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-14-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-14.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-15-764x1024.jpg\" alt=\"\" class=\"wp-image-7599\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-15-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-15-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-15-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-15-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-15-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-15-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-15.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-16-764x1024.jpg\" alt=\"\" class=\"wp-image-7600\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-16-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-16-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-16-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-16-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-16-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-16-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-16.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-17-764x1024.jpg\" alt=\"\" class=\"wp-image-7601\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-17-764x1024.jpg 764w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-17-224x300.jpg 224w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-17-768x1029.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-17-1146x1536.jpg 1146w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-17-440x590.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-17-680x911.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/03\/Evolution-17.jpg 1275w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.chennaineet.com\/blog\/human-health-and-disease-ncert\/\">Chapter 8 &#8211; Human Health And Disease<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chapter 7 &#8211; Evolution The chapter Evolution in Class 12 NCERT Biology explains how life on Earth has changed and diversified over millions of years. It discusses the origin of life, early theories of evolution, and the contributions of scientists like Darwin, who proposed the theory of natural selection. The chapter also explores concepts such [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":7603,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[134,135],"tags":[922,928,923,925,924,929,926,927],"class_list":["post-7584","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ncert-book","category-neet-biology","tag-class-12-biology-chapter-7-pdf","tag-class-12-biology-chapter-7-pdf-notes","tag-class-12-biology-human-health-and-disease-ncert-pdf","tag-evolution-chapter-class-12-ncert-pdf-in-english","tag-evolution-chapter-class-12-ncert-pdf-questions-and-answers","tag-evolution-class-12-ncert","tag-evolution-class-12-new-ncert-pdf","tag-old-ncert-class-12-biology-pdf"],"_links":{"self":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts\/7584","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/comments?post=7584"}],"version-history":[{"count":2,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts\/7584\/revisions"}],"predecessor-version":[{"id":7648,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts\/7584\/revisions\/7648"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/media\/7603"}],"wp:attachment":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/media?parent=7584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/categories?post=7584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/tags?post=7584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}