{"id":87736,"date":"2025-06-01T06:53:09","date_gmt":"2025-06-01T06:53:09","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87736"},"modified":"2025-06-01T06:53:09","modified_gmt":"2025-06-01T06:53:09","slug":"the-composition-of-gases-in-exosphere-is","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-composition-of-gases-in-exosphere-is\/","title":{"rendered":"The composition of gases in exosphere is"},"content":{"rendered":"<p>The composition of gases in exosphere is<\/p>\n<p>[amp_mcq option1=&#8221;Helium and Hydrogen.&#8221; option2=&#8221;Neon and Oxygen.&#8221; option3=&#8221;Neon and Hydrogen.&#8221; option4=&#8221;Helium and Neon.&#8221; 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 NDA-1 &#8211; 2021<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-nda-1-2021.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-nda-1-2021\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe composition of gases in the exosphere is primarily Helium and Hydrogen.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nThe exosphere is the uppermost layer of Earth&#8217;s atmosphere. At these extremely high altitudes, the atmosphere is very thin, and the lightest gases, mainly hydrogen and helium, are the most abundant because gravity has less hold on them, and they can even escape into outer space.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nBelow the exosphere is the thermosphere, where lighter gases become increasingly dominant with altitude, but oxygen and nitrogen are still significant at lower thermospheric levels. In the exosphere, the gases are so sparse that particles travel long distances without colliding.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>The composition of gases in exosphere is [amp_mcq option1=&#8221;Helium and Hydrogen.&#8221; option2=&#8221;Neon and Oxygen.&#8221; option3=&#8221;Neon and Hydrogen.&#8221; option4=&#8221;Helium and Neon.&#8221; correct=&#8221;option1&#8243;] This question was previously asked in UPSC NDA-1 &#8211; 2021 Download PDFAttempt Online The composition of gases in the exosphere is primarily Helium and Hydrogen. The exosphere is the uppermost layer of Earth&#8217;s atmosphere. &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"The composition of gases in exosphere is\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/the-composition-of-gases-in-exosphere-is\/#more-87736\">Detailed Solution<span class=\"screen-reader-text\">The composition of gases in exosphere is<\/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":[1093],"tags":[1110,1107,1106],"class_list":["post-87736","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1110","tag-the-atmosphere","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>The composition of gases in exosphere is<\/title>\n<meta name=\"description\" content=\"The composition of gases in the exosphere is primarily Helium and Hydrogen. The exosphere is the uppermost layer of Earth&#039;s atmosphere. At these extremely high altitudes, the atmosphere is very thin, and the lightest gases, mainly hydrogen and helium, are the most abundant because gravity has less hold on them, and they can even escape into outer space.\" \/>\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\/the-composition-of-gases-in-exosphere-is\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The composition of gases in exosphere is\" \/>\n<meta property=\"og:description\" content=\"The composition of gases in the exosphere is primarily Helium and Hydrogen. The exosphere is the uppermost layer of Earth&#039;s atmosphere. At these extremely high altitudes, the atmosphere is very thin, and the lightest gases, mainly hydrogen and helium, are the most abundant because gravity has less hold on them, and they can even escape into outer space.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-composition-of-gases-in-exosphere-is\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T06:53:09+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":"The composition of gases in exosphere is","description":"The composition of gases in the exosphere is primarily Helium and Hydrogen. The exosphere is the uppermost layer of Earth's atmosphere. At these extremely high altitudes, the atmosphere is very thin, and the lightest gases, mainly hydrogen and helium, are the most abundant because gravity has less hold on them, and they can even escape into outer space.","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\/the-composition-of-gases-in-exosphere-is\/","og_locale":"en_US","og_type":"article","og_title":"The composition of gases in exosphere is","og_description":"The composition of gases in the exosphere is primarily Helium and Hydrogen. The exosphere is the uppermost layer of Earth's atmosphere. At these extremely high altitudes, the atmosphere is very thin, and the lightest gases, mainly hydrogen and helium, are the most abundant because gravity has less hold on them, and they can even escape into outer space.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/the-composition-of-gases-in-exosphere-is\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T06:53:09+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\/the-composition-of-gases-in-exosphere-is\/","url":"https:\/\/exam.pscnotes.com\/mcq\/the-composition-of-gases-in-exosphere-is\/","name":"The composition of gases in exosphere is","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T06:53:09+00:00","dateModified":"2025-06-01T06:53:09+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The composition of gases in the exosphere is primarily Helium and Hydrogen. The exosphere is the uppermost layer of Earth's atmosphere. At these extremely high altitudes, the atmosphere is very thin, and the lightest gases, mainly hydrogen and helium, are the most abundant because gravity has less hold on them, and they can even escape into outer space.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/the-composition-of-gases-in-exosphere-is\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/the-composition-of-gases-in-exosphere-is\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-composition-of-gases-in-exosphere-is\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC NDA-1","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-nda-1\/"},{"@type":"ListItem","position":3,"name":"The composition of gases in exosphere is"}]},{"@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\/87736","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=87736"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/87736\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=87736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=87736"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=87736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}