{"id":90801,"date":"2025-06-01T10:36:56","date_gmt":"2025-06-01T10:36:56","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=90801"},"modified":"2025-06-01T10:36:56","modified_gmt":"2025-06-01T10:36:56","slug":"which-one-of-the-following-geologic-time-periods-is-associated-with-th","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-geologic-time-periods-is-associated-with-th\/","title":{"rendered":"Which one of the following geologic time periods is associated with th"},"content":{"rendered":"<p>Which one of the following geologic time periods is associated with the first appearance of the marsupials?<\/p>\n<p>[amp_mcq option1=&#8221;Lower Cretaceous&#8221; option2=&#8221;Upper Cretaceous&#8221; option3=&#8221;Early Jurassic&#8221; option4=&#8221;Middle Jurassic&#8221; correct=&#8221;option2&#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 CAPF &#8211; 2022<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-capf-2022.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-capf-2022\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe first appearance of marsupials in the fossil record is associated with the Upper Cretaceous geologic time period.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n&#8211; Marsupials (Metatheria) and placental mammals (Eutheria) are thought to have diverged from a common ancestor during the Cretaceous period.<br \/>\n&#8211; The earliest definitive marsupial fossils date back to the Upper Cretaceous, specifically from North America and Asia.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe Cretaceous period spans from approximately 145 to 66 million years ago. It is divided into the Lower Cretaceous (145-100.5 million years ago) and the Upper Cretaceous (100.5-66 million years ago). Mammals, including early marsupials and placentals, diversified significantly during the Cretaceous, particularly after the extinction of the dinosaurs at the end of the period. Earlier mammal forms existed in the Jurassic, but the divergence and appearance of distinct marsupial lineage fossils occurred later.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which one of the following geologic time periods is associated with the first appearance of the marsupials? [amp_mcq option1=&#8221;Lower Cretaceous&#8221; option2=&#8221;Upper Cretaceous&#8221; option3=&#8221;Early Jurassic&#8221; option4=&#8221;Middle Jurassic&#8221; correct=&#8221;option2&#8243;] This question was previously asked in UPSC CAPF &#8211; 2022 Download PDFAttempt Online The first appearance of marsupials in the fossil record is associated with the Upper Cretaceous &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which one of the following geologic time periods is associated with th\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-geologic-time-periods-is-associated-with-th\/#more-90801\">Detailed Solution<span class=\"screen-reader-text\">Which one of the following geologic time periods is associated with th<\/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":[1085],"tags":[1108,1422,1106],"class_list":["post-90801","post","type-post","status-publish","format-standard","hentry","category-upsc-capf","tag-1108","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) - 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Marsupials (Metatheria) and placental mammals (Eutheria) are thought to have diverged from a common ancestor during the Cretaceous period. - The earliest definitive marsupial fossils date back to the Upper Cretaceous, specifically from North America and Asia.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-geologic-time-periods-is-associated-with-th\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T10:36:56+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":"Which one of the following geologic time periods is associated with th","description":"The first appearance of marsupials in the fossil record is associated with the Upper Cretaceous geologic time period. - Marsupials (Metatheria) and placental mammals (Eutheria) are thought to have diverged from a common ancestor during the Cretaceous period. - The earliest definitive marsupial fossils date back to the Upper Cretaceous, specifically from North America and Asia.","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\/which-one-of-the-following-geologic-time-periods-is-associated-with-th\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following geologic time periods is associated with th","og_description":"The first appearance of marsupials in the fossil record is associated with the Upper Cretaceous geologic time period. - Marsupials (Metatheria) and placental mammals (Eutheria) are thought to have diverged from a common ancestor during the Cretaceous period. - The earliest definitive marsupial fossils date back to the Upper Cretaceous, specifically from North America and Asia.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-geologic-time-periods-is-associated-with-th\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T10:36:56+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\/which-one-of-the-following-geologic-time-periods-is-associated-with-th\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-geologic-time-periods-is-associated-with-th\/","name":"Which one of the following geologic time periods is associated with th","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T10:36:56+00:00","dateModified":"2025-06-01T10:36:56+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The first appearance of marsupials in the fossil record is associated with the Upper Cretaceous geologic time period. - 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