{"id":92234,"date":"2025-06-01T11:18:41","date_gmt":"2025-06-01T11:18:41","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=92234"},"modified":"2025-06-01T11:18:41","modified_gmt":"2025-06-01T11:18:41","slug":"which-one-of-the-following-is-not-a-factor-that-causes-variations-in","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-factor-that-causes-variations-in\/","title":{"rendered":"Which one of the following is not a factor that causes variations in"},"content":{"rendered":"<p>Which one of the following is not a factor that causes variations in &#8216;insolation&#8217;?<\/p>\n<p>[amp_mcq option1=&#8221;Rotation of the Earth on its axis&#8221; option2=&#8221;Angle of inclination of the Sun&#8217;s rays&#8221; option3=&#8221;Length of the day&#8221; option4=&#8221;Vegetation cover on the Earth&#8217;s surface&#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 CBI DSP LDCE &#8211; 2023<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-cbi-dsp-ldce-2023.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-cbi-dsp-ldce-2023\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe correct option is D.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n&#8211; Rotation of the Earth on its axis causes the daily cycle of day and night, leading to daily variations in insolation received at any point.<br \/>\n&#8211; Angle of inclination of the Sun&#8217;s rays varies with latitude and season (due to Earth&#8217;s tilt), affecting the intensity of insolation received per unit area. Lower angles (higher latitudes\/winter) result in less intense insolation.<br \/>\n&#8211; Length of the day varies with latitude and season, determining the duration for which insolation is received, thus affecting the total amount of insolation received daily.<br \/>\n&#8211; Vegetation cover on the Earth&#8217;s surface affects how much of the received insolation is absorbed, reflected (albedo), or used in processes like transpiration. It does **not** affect the amount of insolation arriving from the sun at the top of the atmosphere or at the surface before interaction with the cover.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nFactors affecting insolation received from the sun include solar constant, distance from the sun (Earth&#8217;s elliptical orbit), angle of incidence of sun&#8217;s rays (latitude, season, time of day), length of the day, and atmospheric transparency (clouds, aerosols, gases). Vegetation affects the Earth&#8217;s energy balance *after* insolation arrives.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which one of the following is not a factor that causes variations in &#8216;insolation&#8217;? [amp_mcq option1=&#8221;Rotation of the Earth on its axis&#8221; option2=&#8221;Angle of inclination of the Sun&#8217;s rays&#8221; option3=&#8221;Length of the day&#8221; option4=&#8221;Vegetation cover on the Earth&#8217;s surface&#8221; correct=&#8221;option4&#8243;] This question was previously asked in UPSC CBI DSP LDCE &#8211; 2023 Download PDFAttempt Online &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which one of the following is not a factor that causes variations in\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-factor-that-causes-variations-in\/#more-92234\">Detailed Solution<span class=\"screen-reader-text\">Which one of the following is not a factor that causes variations in<\/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":[1086],"tags":[1105,1365,1106],"class_list":["post-92234","post","type-post","status-publish","format-standard","hentry","category-upsc-cbi-dsp-ldce","tag-1105","tag-the-insolation","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 not a factor that causes variations in<\/title>\n<meta name=\"description\" content=\"The correct option is D. - Rotation of the Earth on its axis causes the daily cycle of day and night, leading to daily variations in insolation received at any point. - Angle of inclination of the Sun&#039;s rays varies with latitude and season (due to Earth&#039;s tilt), affecting the intensity of insolation received per unit area. Lower angles (higher latitudes\/winter) result in less intense insolation. - Length of the day varies with latitude and season, determining the duration for which insolation is received, thus affecting the total amount of insolation received daily. - Vegetation cover on the Earth&#039;s surface affects how much of the received insolation is absorbed, reflected (albedo), or used in processes like transpiration. It does **not** affect the amount of insolation arriving from the sun at the top of the atmosphere or at the surface before interaction with the cover.\" \/>\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-factor-that-causes-variations-in\/\" \/>\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 factor that causes variations in\" \/>\n<meta property=\"og:description\" content=\"The correct option is D. - Rotation of the Earth on its axis causes the daily cycle of day and night, leading to daily variations in insolation received at any point. - Angle of inclination of the Sun&#039;s rays varies with latitude and season (due to Earth&#039;s tilt), affecting the intensity of insolation received per unit area. Lower angles (higher latitudes\/winter) result in less intense insolation. - Length of the day varies with latitude and season, determining the duration for which insolation is received, thus affecting the total amount of insolation received daily. - Vegetation cover on the Earth&#039;s surface affects how much of the received insolation is absorbed, reflected (albedo), or used in processes like transpiration. It does **not** affect the amount of insolation arriving from the sun at the top of the atmosphere or at the surface before interaction with the cover.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-factor-that-causes-variations-in\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:18:41+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 factor that causes variations in","description":"The correct option is D. - Rotation of the Earth on its axis causes the daily cycle of day and night, leading to daily variations in insolation received at any point. - Angle of inclination of the Sun's rays varies with latitude and season (due to Earth's tilt), affecting the intensity of insolation received per unit area. Lower angles (higher latitudes\/winter) result in less intense insolation. - Length of the day varies with latitude and season, determining the duration for which insolation is received, thus affecting the total amount of insolation received daily. - Vegetation cover on the Earth's surface affects how much of the received insolation is absorbed, reflected (albedo), or used in processes like transpiration. It does **not** affect the amount of insolation arriving from the sun at the top of the atmosphere or at the surface before interaction with the cover.","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-factor-that-causes-variations-in\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following is not a factor that causes variations in","og_description":"The correct option is D. - Rotation of the Earth on its axis causes the daily cycle of day and night, leading to daily variations in insolation received at any point. - Angle of inclination of the Sun's rays varies with latitude and season (due to Earth's tilt), affecting the intensity of insolation received per unit area. Lower angles (higher latitudes\/winter) result in less intense insolation. - Length of the day varies with latitude and season, determining the duration for which insolation is received, thus affecting the total amount of insolation received daily. - Vegetation cover on the Earth's surface affects how much of the received insolation is absorbed, reflected (albedo), or used in processes like transpiration. It does **not** affect the amount of insolation arriving from the sun at the top of the atmosphere or at the surface before interaction with the cover.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-factor-that-causes-variations-in\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T11:18:41+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-factor-that-causes-variations-in\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-factor-that-causes-variations-in\/","name":"Which one of the following is not a factor that causes variations in","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T11:18:41+00:00","dateModified":"2025-06-01T11:18:41+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The correct option is D. - Rotation of the Earth on its axis causes the daily cycle of day and night, leading to daily variations in insolation received at any point. - Angle of inclination of the Sun's rays varies with latitude and season (due to Earth's tilt), affecting the intensity of insolation received per unit area. Lower angles (higher latitudes\/winter) result in less intense insolation. - Length of the day varies with latitude and season, determining the duration for which insolation is received, thus affecting the total amount of insolation received daily. - Vegetation cover on the Earth's surface affects how much of the received insolation is absorbed, reflected (albedo), or used in processes like transpiration. It does **not** affect the amount of insolation arriving from the sun at the top of the atmosphere or at the surface before interaction with the cover.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-factor-that-causes-variations-in\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-factor-that-causes-variations-in\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-factor-that-causes-variations-in\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CBI DSP LDCE","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-cbi-dsp-ldce\/"},{"@type":"ListItem","position":3,"name":"Which one of the following is not a factor that causes variations in"}]},{"@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\/92234","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=92234"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/92234\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=92234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=92234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=92234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}