{"id":87165,"date":"2025-06-01T04:30:28","date_gmt":"2025-06-01T04:30:28","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87165"},"modified":"2025-06-01T04:30:28","modified_gmt":"2025-06-01T04:30:28","slug":"which-one-of-the-following-is-the-thinnest-layer-of-the-earth","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-the-thinnest-layer-of-the-earth\/","title":{"rendered":"Which one of the following is the thinnest layer of the Earth ?"},"content":{"rendered":"<p>Which one of the following is the thinnest layer of the Earth ?<\/p>\n<p>[amp_mcq option1=&#8221;Inner Core&#8221; option2=&#8221;Outer Core&#8221; option3=&#8221;Mantle&#8221; option4=&#8221;Crust&#8221; correct=&#8221;option4&#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 Geoscientist &#8211; 2024<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-geoscientist-2024.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-geoscientist-2024\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe Earth&#8217;s layers, from outside to inside, are the Crust, Mantle, Outer Core, and Inner Core. The Crust is the outermost and thinnest layer.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nThe relative thicknesses of Earth&#8217;s main layers are: Crust (5-70 km), Mantle (~2900 km), Outer Core (~2300 km), and Inner Core (~1220 km).<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe thickness of the crust varies significantly; it is thinner under oceans (oceanic crust) and thicker under continents (continental crust). Despite this variation, it remains the thinnest layer compared to the mantle and core.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which one of the following is the thinnest layer of the Earth ? [amp_mcq option1=&#8221;Inner Core&#8221; option2=&#8221;Outer Core&#8221; option3=&#8221;Mantle&#8221; option4=&#8221;Crust&#8221; correct=&#8221;option4&#8243;] This question was previously asked in UPSC Geoscientist &#8211; 2024 Download PDFAttempt Online The Earth&#8217;s layers, from outside to inside, are the Crust, Mantle, Outer Core, and Inner Core. The Crust is the outermost &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which one of the following is the thinnest layer of the Earth ?\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-the-thinnest-layer-of-the-earth\/#more-87165\">Detailed Solution<span class=\"screen-reader-text\">Which one of the following is the thinnest layer of the Earth ?<\/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":[1091],"tags":[1103,1150,1106],"class_list":["post-87165","post","type-post","status-publish","format-standard","hentry","category-upsc-geoscientist","tag-1103","tag-the-earth","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>Which one of the following is the thinnest layer of the Earth ?<\/title>\n<meta name=\"description\" content=\"The Earth&#039;s layers, from outside to inside, are the Crust, Mantle, Outer Core, and Inner Core. The Crust is the outermost and thinnest layer. The relative thicknesses of Earth&#039;s main layers are: Crust (5-70 km), Mantle (~2900 km), Outer Core (~2300 km), and Inner Core (~1220 km).\" \/>\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\/which-one-of-the-following-is-the-thinnest-layer-of-the-earth\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which one of the following is the thinnest layer of the Earth ?\" \/>\n<meta property=\"og:description\" content=\"The Earth&#039;s layers, from outside to inside, are the Crust, Mantle, Outer Core, and Inner Core. The Crust is the outermost and thinnest layer. The relative thicknesses of Earth&#039;s main layers are: Crust (5-70 km), Mantle (~2900 km), Outer Core (~2300 km), and Inner Core (~1220 km).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-the-thinnest-layer-of-the-earth\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T04:30:28+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 is the thinnest layer of the Earth ?","description":"The Earth's layers, from outside to inside, are the Crust, Mantle, Outer Core, and Inner Core. The Crust is the outermost and thinnest layer. The relative thicknesses of Earth's main layers are: Crust (5-70 km), Mantle (~2900 km), Outer Core (~2300 km), and Inner Core (~1220 km).","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-is-the-thinnest-layer-of-the-earth\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following is the thinnest layer of the Earth ?","og_description":"The Earth's layers, from outside to inside, are the Crust, Mantle, Outer Core, and Inner Core. The Crust is the outermost and thinnest layer. The relative thicknesses of Earth's main layers are: Crust (5-70 km), Mantle (~2900 km), Outer Core (~2300 km), and Inner Core (~1220 km).","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-the-thinnest-layer-of-the-earth\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T04:30:28+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-is-the-thinnest-layer-of-the-earth\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-the-thinnest-layer-of-the-earth\/","name":"Which one of the following is the thinnest layer of the Earth ?","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T04:30:28+00:00","dateModified":"2025-06-01T04:30:28+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The Earth's layers, from outside to inside, are the Crust, Mantle, Outer Core, and Inner Core. 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