{"id":92149,"date":"2025-06-01T11:15:53","date_gmt":"2025-06-01T11:15:53","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=92149"},"modified":"2025-06-01T11:15:53","modified_gmt":"2025-06-01T11:15:53","slug":"which-of-the-following-is-are-correct-inference-inferences-from-isothe","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-are-correct-inference-inferences-from-isothe\/","title":{"rendered":"Which of the following is\/are correct inference\/inferences from isothe"},"content":{"rendered":"<p>Which of the following is\/are correct inference\/inferences from isothermal maps in the month of January ?<\/p>\n<ol>\n<li>The isotherms deviate to the north over the ocean and to the south over the continent.<\/li>\n<li>The presence of cold ocean currents, Gulf Stream and North Atlantic Drift make the North Atlantic Ocean colder and the isotherms bend towards the north.<\/li>\n<\/ol>\n<p>Select the answer using the code given below :<\/p>\n<p>[amp_mcq option1=&#8221;1 only&#8221; option2=&#8221;2 only&#8221; option3=&#8221;Both 1 and 2&#8243; option4=&#8221;Neither 1 nor 2&#8243; 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\">\nIn the Northern Hemisphere winter (January), land surfaces cool down much faster and to lower temperatures than ocean surfaces at similar latitudes.<br \/>\nStatement 1 is correct. Over continents, the cold air causes isotherms to bend southwards (equatorwards). Over oceans, the relatively warmer water causes isotherms to bend northwards (polewards). This describes the typical pattern observed on isothermal maps in January over the Northern Hemisphere.<br \/>\nStatement 2 is incorrect. The Gulf Stream and North Atlantic Drift are warm ocean currents that transport warm water to higher latitudes in the North Atlantic. This makes the North Atlantic Ocean significantly *warmer* than surrounding land masses or areas influenced by cold currents. This warmth causes the isotherms to bend *north* over the North Atlantic, indicating higher temperatures extending polewards. The statement incorrectly claims these currents make the ocean colder.<br \/>\nTherefore, only Statement 1 is a correct inference.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nIsotherms reflect temperature distribution. In winter, continents are typically colder than oceans at the same latitude due to differences in specific heat capacity and heat transfer mechanisms. Warm ocean currents cause isotherms to bend poleward.<br \/>\n<\/section>\n<section id=\"pyq-additional_information\">\nThe bending of isotherms over land and sea in winter is a clear manifestation of the differential heating and cooling properties of land and water and the influence of ocean currents.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following is\/are correct inference\/inferences from isothermal maps in the month of January ? The isotherms deviate to the north over the ocean and to the south over the continent. The presence of cold ocean currents, Gulf Stream and North Atlantic Drift make the North Atlantic Ocean colder and the isotherms bend towards &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which of the following is\/are correct inference\/inferences from isothe\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-are-correct-inference-inferences-from-isothe\/#more-92149\">Detailed Solution<span class=\"screen-reader-text\">Which of the following is\/are correct inference\/inferences from isothe<\/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":[1103,1106,1135],"class_list":["post-92149","post","type-post","status-publish","format-standard","hentry","category-upsc-ias","tag-1103","tag-world-and-physical-geography","tag-world-climate","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 of the following is\/are correct inference\/inferences from isothe<\/title>\n<meta name=\"description\" content=\"In the Northern Hemisphere winter (January), land surfaces cool down much faster and to lower temperatures than ocean surfaces at similar latitudes. Statement 1 is correct. Over continents, the cold air causes isotherms to bend southwards (equatorwards). Over oceans, the relatively warmer water causes isotherms to bend northwards (polewards). This describes the typical pattern observed on isothermal maps in January over the Northern Hemisphere. Statement 2 is incorrect. The Gulf Stream and North Atlantic Drift are warm ocean currents that transport warm water to higher latitudes in the North Atlantic. This makes the North Atlantic Ocean significantly *warmer* than surrounding land masses or areas influenced by cold currents. This warmth causes the isotherms to bend *north* over the North Atlantic, indicating higher temperatures extending polewards. The statement incorrectly claims these currents make the ocean colder. Therefore, only Statement 1 is a correct inference. Isotherms reflect temperature distribution. In winter, continents are typically colder than oceans at the same latitude due to differences in specific heat capacity and heat transfer mechanisms. Warm ocean currents cause isotherms to bend poleward.\" \/>\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-of-the-following-is-are-correct-inference-inferences-from-isothe\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which of the following is\/are correct inference\/inferences from isothe\" \/>\n<meta property=\"og:description\" content=\"In the Northern Hemisphere winter (January), land surfaces cool down much faster and to lower temperatures than ocean surfaces at similar latitudes. Statement 1 is correct. Over continents, the cold air causes isotherms to bend southwards (equatorwards). Over oceans, the relatively warmer water causes isotherms to bend northwards (polewards). This describes the typical pattern observed on isothermal maps in January over the Northern Hemisphere. Statement 2 is incorrect. The Gulf Stream and North Atlantic Drift are warm ocean currents that transport warm water to higher latitudes in the North Atlantic. This makes the North Atlantic Ocean significantly *warmer* than surrounding land masses or areas influenced by cold currents. This warmth causes the isotherms to bend *north* over the North Atlantic, indicating higher temperatures extending polewards. The statement incorrectly claims these currents make the ocean colder. Therefore, only Statement 1 is a correct inference. Isotherms reflect temperature distribution. In winter, continents are typically colder than oceans at the same latitude due to differences in specific heat capacity and heat transfer mechanisms. Warm ocean currents cause isotherms to bend poleward.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-are-correct-inference-inferences-from-isothe\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:15:53+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 of the following is\/are correct inference\/inferences from isothe","description":"In the Northern Hemisphere winter (January), land surfaces cool down much faster and to lower temperatures than ocean surfaces at similar latitudes. Statement 1 is correct. Over continents, the cold air causes isotherms to bend southwards (equatorwards). Over oceans, the relatively warmer water causes isotherms to bend northwards (polewards). This describes the typical pattern observed on isothermal maps in January over the Northern Hemisphere. Statement 2 is incorrect. The Gulf Stream and North Atlantic Drift are warm ocean currents that transport warm water to higher latitudes in the North Atlantic. This makes the North Atlantic Ocean significantly *warmer* than surrounding land masses or areas influenced by cold currents. This warmth causes the isotherms to bend *north* over the North Atlantic, indicating higher temperatures extending polewards. The statement incorrectly claims these currents make the ocean colder. Therefore, only Statement 1 is a correct inference. Isotherms reflect temperature distribution. In winter, continents are typically colder than oceans at the same latitude due to differences in specific heat capacity and heat transfer mechanisms. Warm ocean currents cause isotherms to bend poleward.","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-of-the-following-is-are-correct-inference-inferences-from-isothe\/","og_locale":"en_US","og_type":"article","og_title":"Which of the following is\/are correct inference\/inferences from isothe","og_description":"In the Northern Hemisphere winter (January), land surfaces cool down much faster and to lower temperatures than ocean surfaces at similar latitudes. Statement 1 is correct. Over continents, the cold air causes isotherms to bend southwards (equatorwards). Over oceans, the relatively warmer water causes isotherms to bend northwards (polewards). This describes the typical pattern observed on isothermal maps in January over the Northern Hemisphere. Statement 2 is incorrect. The Gulf Stream and North Atlantic Drift are warm ocean currents that transport warm water to higher latitudes in the North Atlantic. This makes the North Atlantic Ocean significantly *warmer* than surrounding land masses or areas influenced by cold currents. This warmth causes the isotherms to bend *north* over the North Atlantic, indicating higher temperatures extending polewards. The statement incorrectly claims these currents make the ocean colder. Therefore, only Statement 1 is a correct inference. Isotherms reflect temperature distribution. In winter, continents are typically colder than oceans at the same latitude due to differences in specific heat capacity and heat transfer mechanisms. Warm ocean currents cause isotherms to bend poleward.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-are-correct-inference-inferences-from-isothe\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T11:15:53+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-of-the-following-is-are-correct-inference-inferences-from-isothe\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-are-correct-inference-inferences-from-isothe\/","name":"Which of the following is\/are correct inference\/inferences from isothe","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T11:15:53+00:00","dateModified":"2025-06-01T11:15:53+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"In the Northern Hemisphere winter (January), land surfaces cool down much faster and to lower temperatures than ocean surfaces at similar latitudes. Statement 1 is correct. Over continents, the cold air causes isotherms to bend southwards (equatorwards). Over oceans, the relatively warmer water causes isotherms to bend northwards (polewards). This describes the typical pattern observed on isothermal maps in January over the Northern Hemisphere. Statement 2 is incorrect. The Gulf Stream and North Atlantic Drift are warm ocean currents that transport warm water to higher latitudes in the North Atlantic. This makes the North Atlantic Ocean significantly *warmer* than surrounding land masses or areas influenced by cold currents. This warmth causes the isotherms to bend *north* over the North Atlantic, indicating higher temperatures extending polewards. The statement incorrectly claims these currents make the ocean colder. Therefore, only Statement 1 is a correct inference. Isotherms reflect temperature distribution. In winter, continents are typically colder than oceans at the same latitude due to differences in specific heat capacity and heat transfer mechanisms. Warm ocean currents cause isotherms to bend poleward.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-are-correct-inference-inferences-from-isothe\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-are-correct-inference-inferences-from-isothe\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-is-are-correct-inference-inferences-from-isothe\/#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":"Which of the following is\/are correct inference\/inferences from isothe"}]},{"@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\/92149","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=92149"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/92149\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=92149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=92149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=92149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}