{"id":87969,"date":"2025-06-01T06:58:49","date_gmt":"2025-06-01T06:58:49","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87969"},"modified":"2025-06-01T06:58:49","modified_gmt":"2025-06-01T06:58:49","slug":"which-one-of-the-following-is-not-a-main-greenhouse-gas","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-main-greenhouse-gas\/","title":{"rendered":"Which one of the following is  not  a main greenhouse gas ?"},"content":{"rendered":"<p>Which one of the following is <b>not<\/b> a main greenhouse gas ?<\/p>\n<p>[amp_mcq option1=&#8221;Water vapour&#8221; option2=&#8221;Oxygen&#8221; option3=&#8221;Carbon dioxide&#8221; option4=&#8221;Methane&#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 NDA-1 &#8211; 2023<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-nda-1-2023.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-nda-1-2023\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">Oxygen (O\u2082) is not considered a main greenhouse gas. Greenhouse gases are atmospheric gases that absorb and emit infrared radiation, trapping heat in the atmosphere.<\/section>\n<section id=\"pyq-key-points\">Main greenhouse gases include water vapour (H\u2082O), carbon dioxide (CO\u2082), methane (CH\u2084), nitrous oxide (N\u2082O), and ozone (O\u2083). Oxygen and Nitrogen, which make up the bulk of the atmosphere, do not absorb infrared radiation effectively and are not greenhouse gases.<\/section>\n<section id=\"pyq-additional-information\">Water vapour is the most abundant greenhouse gas in the atmosphere and contributes significantly to the natural greenhouse effect. Carbon dioxide and methane are major contributors to anthropogenic (human-caused) climate change due to their increased concentrations from activities like burning fossil fuels and agriculture.<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which one of the following is not a main greenhouse gas ? [amp_mcq option1=&#8221;Water vapour&#8221; option2=&#8221;Oxygen&#8221; option3=&#8221;Carbon dioxide&#8221; option4=&#8221;Methane&#8221; correct=&#8221;option2&#8243;] This question was previously asked in UPSC NDA-1 &#8211; 2023 Download PDFAttempt Online Oxygen (O\u2082) is not considered a main greenhouse gas. Greenhouse gases are atmospheric gases that absorb and emit infrared radiation, trapping heat &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which one of the following is  not  a main greenhouse gas ?\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-main-greenhouse-gas\/#more-87969\">Detailed Solution<span class=\"screen-reader-text\">Which one of the following is  not  a main greenhouse gas ?<\/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":[1105,1136,1259],"class_list":["post-87969","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1105","tag-environment-and-ecology","tag-greenhouse-effect-and-climate-change","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 not a main greenhouse gas ?<\/title>\n<meta name=\"description\" content=\"Oxygen (O\u2082) is not considered a main greenhouse gas. Greenhouse gases are atmospheric gases that absorb and emit infrared radiation, trapping heat in the atmosphere. Main greenhouse gases include water vapour (H\u2082O), carbon dioxide (CO\u2082), methane (CH\u2084), nitrous oxide (N\u2082O), and ozone (O\u2083). Oxygen and Nitrogen, which make up the bulk of the atmosphere, do not absorb infrared radiation effectively and are not greenhouse gases.\" \/>\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-not-a-main-greenhouse-gas\/\" \/>\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 not a main greenhouse gas ?\" \/>\n<meta property=\"og:description\" content=\"Oxygen (O\u2082) is not considered a main greenhouse gas. Greenhouse gases are atmospheric gases that absorb and emit infrared radiation, trapping heat in the atmosphere. Main greenhouse gases include water vapour (H\u2082O), carbon dioxide (CO\u2082), methane (CH\u2084), nitrous oxide (N\u2082O), and ozone (O\u2083). Oxygen and Nitrogen, which make up the bulk of the atmosphere, do not absorb infrared radiation effectively and are not greenhouse gases.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-main-greenhouse-gas\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T06:58:49+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 not a main greenhouse gas ?","description":"Oxygen (O\u2082) is not considered a main greenhouse gas. Greenhouse gases are atmospheric gases that absorb and emit infrared radiation, trapping heat in the atmosphere. Main greenhouse gases include water vapour (H\u2082O), carbon dioxide (CO\u2082), methane (CH\u2084), nitrous oxide (N\u2082O), and ozone (O\u2083). Oxygen and Nitrogen, which make up the bulk of the atmosphere, do not absorb infrared radiation effectively and are not greenhouse gases.","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-not-a-main-greenhouse-gas\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following is not a main greenhouse gas ?","og_description":"Oxygen (O\u2082) is not considered a main greenhouse gas. Greenhouse gases are atmospheric gases that absorb and emit infrared radiation, trapping heat in the atmosphere. Main greenhouse gases include water vapour (H\u2082O), carbon dioxide (CO\u2082), methane (CH\u2084), nitrous oxide (N\u2082O), and ozone (O\u2083). Oxygen and Nitrogen, which make up the bulk of the atmosphere, do not absorb infrared radiation effectively and are not greenhouse gases.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-main-greenhouse-gas\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T06:58:49+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-not-a-main-greenhouse-gas\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-main-greenhouse-gas\/","name":"Which one of the following is not a main greenhouse gas ?","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T06:58:49+00:00","dateModified":"2025-06-01T06:58:49+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Oxygen (O\u2082) is not considered a main greenhouse gas. Greenhouse gases are atmospheric gases that absorb and emit infrared radiation, trapping heat in the atmosphere. Main greenhouse gases include water vapour (H\u2082O), carbon dioxide (CO\u2082), methane (CH\u2084), nitrous oxide (N\u2082O), and ozone (O\u2083). Oxygen and Nitrogen, which make up the bulk of the atmosphere, do not absorb infrared radiation effectively and are not greenhouse gases.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-main-greenhouse-gas\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-main-greenhouse-gas\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-main-greenhouse-gas\/#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":"Which one of the following is not a main greenhouse gas ?"}]},{"@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\/87969","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=87969"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/87969\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=87969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=87969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=87969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}