{"id":92236,"date":"2025-06-01T11:18:44","date_gmt":"2025-06-01T11:18:44","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=92236"},"modified":"2025-06-01T11:18:44","modified_gmt":"2025-06-01T11:18:44","slug":"what-is-the-correct-chronological-sequence-of-the-following-periods","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-correct-chronological-sequence-of-the-following-periods\/","title":{"rendered":"What is the correct chronological sequence of the following &#8216;periods&#8217;"},"content":{"rendered":"<p>What is the correct chronological sequence of the following &#8216;periods&#8217; in the Earth&#8217;s geological timescale?<\/p>\n<ul>\n<li>1. Cambrian<\/li>\n<li>2. Carboniferous<\/li>\n<li>3. Cretaceous<\/li>\n<li>4. Devonian<\/li>\n<\/ul>\n<p>Select the correct answer using the code given below.<\/p>\n<p>[amp_mcq option1=&#8221;1-4-2-3&#8243; option2=&#8221;1-2-4-3&#8243; option3=&#8221;1-2-3-4&#8243; option4=&#8221;2-1-3-4&#8243; correct=&#8221;option1&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC CBI DSP LDCE &#8211; 2023<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-cbi-dsp-ldce-2023.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-cbi-dsp-ldce-2023\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe correct option is A.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nThe geological timescale periods mentioned belong to the Phanerozoic Eon. Their correct chronological order from oldest to youngest is:<br \/>\n1.  **Cambrian** (Paleozoic Era, starting ~541 million years ago)<br \/>\n2.  **Devonian** (Paleozoic Era, ~419 &#8211; 359 million years ago)<br \/>\n3.  **Carboniferous** (Paleozoic Era, ~359 &#8211; 299 million years ago)<br \/>\n4.  **Cretaceous** (Mesozoic Era, ~145 &#8211; 66 million years ago)<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe Paleozoic Era follows the Precambrian and precedes the Mesozoic Era. The order of periods within the Paleozoic is Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian. The Mesozoic Era consists of the Triassic, Jurassic, and Cretaceous periods.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>What is the correct chronological sequence of the following &#8216;periods&#8217; in the Earth&#8217;s geological timescale? 1. Cambrian 2. Carboniferous 3. Cretaceous 4. Devonian Select the correct answer using the code given below. [amp_mcq option1=&#8221;1-4-2-3&#8243; option2=&#8221;1-2-4-3&#8243; option3=&#8221;1-2-3-4&#8243; option4=&#8221;2-1-3-4&#8243; correct=&#8221;option1&#8243;] This question was previously asked in UPSC CBI DSP LDCE &#8211; 2023 Download PDFAttempt Online The correct &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"What is the correct chronological sequence of the following &#8216;periods&#8217;\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-correct-chronological-sequence-of-the-following-periods\/#more-92236\">Detailed Solution<span class=\"screen-reader-text\">What is the correct chronological sequence of the following &#8216;periods&#8217;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1086],"tags":[1105,1422,1106],"class_list":["post-92236","post","type-post","status-publish","format-standard","hentry","category-upsc-cbi-dsp-ldce","tag-1105","tag-geological-history","tag-world-and-physical-geography","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the correct chronological sequence of the following &#039;periods&#039;<\/title>\n<meta name=\"description\" content=\"The correct option is A. The geological timescale periods mentioned belong to the Phanerozoic Eon. Their correct chronological order from oldest to youngest is: 1. **Cambrian** (Paleozoic Era, starting ~541 million years ago) 2. **Devonian** (Paleozoic Era, ~419 - 359 million years ago) 3. **Carboniferous** (Paleozoic Era, ~359 - 299 million years ago) 4. **Cretaceous** (Mesozoic Era, ~145 - 66 million years ago)\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-correct-chronological-sequence-of-the-following-periods\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the correct chronological sequence of the following &#039;periods&#039;\" \/>\n<meta property=\"og:description\" content=\"The correct option is A. The geological timescale periods mentioned belong to the Phanerozoic Eon. Their correct chronological order from oldest to youngest is: 1. **Cambrian** (Paleozoic Era, starting ~541 million years ago) 2. **Devonian** (Paleozoic Era, ~419 - 359 million years ago) 3. **Carboniferous** (Paleozoic Era, ~359 - 299 million years ago) 4. **Cretaceous** (Mesozoic Era, ~145 - 66 million years ago)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-correct-chronological-sequence-of-the-following-periods\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:18:44+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"What is the correct chronological sequence of the following 'periods'","description":"The correct option is A. The geological timescale periods mentioned belong to the Phanerozoic Eon. Their correct chronological order from oldest to youngest is: 1. **Cambrian** (Paleozoic Era, starting ~541 million years ago) 2. **Devonian** (Paleozoic Era, ~419 - 359 million years ago) 3. **Carboniferous** (Paleozoic Era, ~359 - 299 million years ago) 4. **Cretaceous** (Mesozoic Era, ~145 - 66 million years ago)","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-correct-chronological-sequence-of-the-following-periods\/","og_locale":"en_US","og_type":"article","og_title":"What is the correct chronological sequence of the following 'periods'","og_description":"The correct option is A. The geological timescale periods mentioned belong to the Phanerozoic Eon. Their correct chronological order from oldest to youngest is: 1. **Cambrian** (Paleozoic Era, starting ~541 million years ago) 2. **Devonian** (Paleozoic Era, ~419 - 359 million years ago) 3. **Carboniferous** (Paleozoic Era, ~359 - 299 million years ago) 4. **Cretaceous** (Mesozoic Era, ~145 - 66 million years ago)","og_url":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-correct-chronological-sequence-of-the-following-periods\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T11:18:44+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-correct-chronological-sequence-of-the-following-periods\/","url":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-correct-chronological-sequence-of-the-following-periods\/","name":"What is the correct chronological sequence of the following 'periods'","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T11:18:44+00:00","dateModified":"2025-06-01T11:18:44+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The correct option is A. The geological timescale periods mentioned belong to the Phanerozoic Eon. Their correct chronological order from oldest to youngest is: 1. **Cambrian** (Paleozoic Era, starting ~541 million years ago) 2. **Devonian** (Paleozoic Era, ~419 - 359 million years ago) 3. **Carboniferous** (Paleozoic Era, ~359 - 299 million years ago) 4. **Cretaceous** (Mesozoic Era, ~145 - 66 million years ago)","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-correct-chronological-sequence-of-the-following-periods\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/what-is-the-correct-chronological-sequence-of-the-following-periods\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-correct-chronological-sequence-of-the-following-periods\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CBI DSP LDCE","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-cbi-dsp-ldce\/"},{"@type":"ListItem","position":3,"name":"What is the correct chronological sequence of the following &#8216;periods&#8217;"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/92236","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=92236"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/92236\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=92236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=92236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=92236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}