{"id":92147,"date":"2025-06-01T11:15:50","date_gmt":"2025-06-01T11:15:50","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=92147"},"modified":"2025-06-01T11:15:50","modified_gmt":"2025-06-01T11:15:50","slug":"consider-the-following-statements-statement-i-thickness-of-the-t","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-statement-i-thickness-of-the-t\/","title":{"rendered":"Consider the following statements :\n  Statement-I :\nThickness of the t"},"content":{"rendered":"<p>Consider the following statements :<\/p>\n<ul>\n<li>Statement-I :<br \/>\nThickness of the troposphere at the equator is much greater as compared to poles.<\/li>\n<li>Statement-II :<br \/>\nAt the equator, heat is transported to great heights by strong convectional currents.<\/li>\n<\/ul>\n<p>Which one of the following is correct in respect of the above statements ?<\/p>\n<p>[amp_mcq option1=&#8221;Both Statement-I and Statement-II are correct and Statement-II explains Statement-I&#8221; option2=&#8221;Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I&#8221; option3=&#8221;Statement-I is correct, but Statement-II is incorrect&#8221; option4=&#8221;Statement-I is incorrect, but Statement-II is correct&#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 IAS &#8211; 2024<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-ias-2024.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-ias-2024\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nStatement-I is correct. The thickness of the troposphere varies with latitude and season, being greatest at the equator (around 16-18 km) and thinnest at the poles (around 8-10 km).<br \/>\nStatement-II is correct. At the equator, high solar insolation leads to intense heating of the surface and lower atmosphere, resulting in strong convectional currents. These rising air currents transport heat and moisture upwards to great heights, pushing the boundary of the troposphere (tropopause) higher. At the poles, there is less heating and weaker convection, resulting in a lower tropopause.<br \/>\nStatement-II provides the physical mechanism (strong convection due to heat transport) that explains why the troposphere is thicker at the equator compared to the poles. Therefore, both statements are correct, and Statement-II explains Statement-I.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nThe thickness of the troposphere is primarily controlled by temperature and convection. Warmer temperatures and stronger convection lead to a higher tropopause.<br \/>\n<\/section>\n<section id=\"pyq-additional_information\">\nThe troposphere is the lowest layer of Earth&#8217;s atmosphere where most weather occurs. The tropopause is the boundary between the troposphere and the stratosphere.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Consider the following statements : Statement-I : Thickness of the troposphere at the equator is much greater as compared to poles. Statement-II : At the equator, heat is transported to great heights by strong convectional currents. Which one of the following is correct in respect of the above statements ? [amp_mcq option1=&#8221;Both Statement-I and Statement-II &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Consider the following statements :\n  Statement-I :\nThickness of the t\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-statement-i-thickness-of-the-t\/#more-92147\">Detailed Solution<span class=\"screen-reader-text\">Consider the following statements :<br \/>\n  Statement-I :<br \/>\nThickness of the t<\/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":[1092],"tags":[1103,1107,1106],"class_list":["post-92147","post","type-post","status-publish","format-standard","hentry","category-upsc-ias","tag-1103","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>Consider the following statements :  Statement-I : Thickness of the t<\/title>\n<meta name=\"description\" content=\"Statement-I is correct. The thickness of the troposphere varies with latitude and season, being greatest at the equator (around 16-18 km) and thinnest at the poles (around 8-10 km). Statement-II is correct. At the equator, high solar insolation leads to intense heating of the surface and lower atmosphere, resulting in strong convectional currents. These rising air currents transport heat and moisture upwards to great heights, pushing the boundary of the troposphere (tropopause) higher. At the poles, there is less heating and weaker convection, resulting in a lower tropopause. Statement-II provides the physical mechanism (strong convection due to heat transport) that explains why the troposphere is thicker at the equator compared to the poles. Therefore, both statements are correct, and Statement-II explains Statement-I. The thickness of the troposphere is primarily controlled by temperature and convection. Warmer temperatures and stronger convection lead to a higher tropopause.\" \/>\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\/consider-the-following-statements-statement-i-thickness-of-the-t\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Consider the following statements :  Statement-I : Thickness of the t\" \/>\n<meta property=\"og:description\" content=\"Statement-I is correct. The thickness of the troposphere varies with latitude and season, being greatest at the equator (around 16-18 km) and thinnest at the poles (around 8-10 km). Statement-II is correct. At the equator, high solar insolation leads to intense heating of the surface and lower atmosphere, resulting in strong convectional currents. These rising air currents transport heat and moisture upwards to great heights, pushing the boundary of the troposphere (tropopause) higher. At the poles, there is less heating and weaker convection, resulting in a lower tropopause. Statement-II provides the physical mechanism (strong convection due to heat transport) that explains why the troposphere is thicker at the equator compared to the poles. Therefore, both statements are correct, and Statement-II explains Statement-I. The thickness of the troposphere is primarily controlled by temperature and convection. Warmer temperatures and stronger convection lead to a higher tropopause.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-statement-i-thickness-of-the-t\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:15:50+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":"Consider the following statements :  Statement-I : Thickness of the t","description":"Statement-I is correct. The thickness of the troposphere varies with latitude and season, being greatest at the equator (around 16-18 km) and thinnest at the poles (around 8-10 km). Statement-II is correct. At the equator, high solar insolation leads to intense heating of the surface and lower atmosphere, resulting in strong convectional currents. These rising air currents transport heat and moisture upwards to great heights, pushing the boundary of the troposphere (tropopause) higher. At the poles, there is less heating and weaker convection, resulting in a lower tropopause. Statement-II provides the physical mechanism (strong convection due to heat transport) that explains why the troposphere is thicker at the equator compared to the poles. Therefore, both statements are correct, and Statement-II explains Statement-I. The thickness of the troposphere is primarily controlled by temperature and convection. Warmer temperatures and stronger convection lead to a higher tropopause.","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\/consider-the-following-statements-statement-i-thickness-of-the-t\/","og_locale":"en_US","og_type":"article","og_title":"Consider the following statements :  Statement-I : Thickness of the t","og_description":"Statement-I is correct. The thickness of the troposphere varies with latitude and season, being greatest at the equator (around 16-18 km) and thinnest at the poles (around 8-10 km). Statement-II is correct. At the equator, high solar insolation leads to intense heating of the surface and lower atmosphere, resulting in strong convectional currents. These rising air currents transport heat and moisture upwards to great heights, pushing the boundary of the troposphere (tropopause) higher. At the poles, there is less heating and weaker convection, resulting in a lower tropopause. Statement-II provides the physical mechanism (strong convection due to heat transport) that explains why the troposphere is thicker at the equator compared to the poles. Therefore, both statements are correct, and Statement-II explains Statement-I. The thickness of the troposphere is primarily controlled by temperature and convection. Warmer temperatures and stronger convection lead to a higher tropopause.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-statement-i-thickness-of-the-t\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T11:15:50+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\/consider-the-following-statements-statement-i-thickness-of-the-t\/","url":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-statement-i-thickness-of-the-t\/","name":"Consider the following statements : Statement-I : Thickness of the t","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T11:15:50+00:00","dateModified":"2025-06-01T11:15:50+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Statement-I is correct. The thickness of the troposphere varies with latitude and season, being greatest at the equator (around 16-18 km) and thinnest at the poles (around 8-10 km). Statement-II is correct. At the equator, high solar insolation leads to intense heating of the surface and lower atmosphere, resulting in strong convectional currents. These rising air currents transport heat and moisture upwards to great heights, pushing the boundary of the troposphere (tropopause) higher. At the poles, there is less heating and weaker convection, resulting in a lower tropopause. Statement-II provides the physical mechanism (strong convection due to heat transport) that explains why the troposphere is thicker at the equator compared to the poles. Therefore, both statements are correct, and Statement-II explains Statement-I. The thickness of the troposphere is primarily controlled by temperature and convection. Warmer temperatures and stronger convection lead to a higher tropopause.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-statement-i-thickness-of-the-t\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-statement-i-thickness-of-the-t\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-statement-i-thickness-of-the-t\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC IAS","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-ias\/"},{"@type":"ListItem","position":3,"name":"Consider the following statements : Statement-I : Thickness of the t"}]},{"@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\/92147","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=92147"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/92147\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=92147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=92147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=92147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}