{"id":85285,"date":"2025-06-01T03:11:02","date_gmt":"2025-06-01T03:11:02","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=85285"},"modified":"2025-06-01T03:11:02","modified_gmt":"2025-06-01T03:11:02","slug":"which-one-of-the-following-is-not-a-resultant-of-the-el-nino-effect","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-resultant-of-the-el-nino-effect\/","title":{"rendered":"Which one of the following is not a resultant of the El Nino effect?"},"content":{"rendered":"

Which one of the following is not a resultant of the El Nino effect?<\/p>\n

[amp_mcq option1=”Distortion of equatorial atmospheric circulation.” option2=”Flow of the South-East Trade Winds towards the Indian Ocean.” option3=”Irregularities in the evaporation of sea water.” option4=”Reduction in the amount of planktons which reduces the number of fish in the sea.” correct=”option2″]<\/p>\n

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This question was previously asked in<\/div>\n
UPSC CDS-1 – 2022<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nEl Nino is characterized by the warming of surface waters in the eastern tropical Pacific Ocean and a weakening or reversal of the trade winds in that region. This disrupts normal atmospheric circulation patterns, including the Walker Circulation. Option B states that it results in the flow of South-East Trade Winds towards the Indian Ocean, which is not a direct or characteristic result of the El Nino effect on the primary trade winds in the Pacific. While El Nino impacts global weather patterns and teleconnections can affect the Indian Ocean region and monsoon, the core effect on trade winds is their weakening in the Pacific, not a redirected flow towards the Indian Ocean.
\n<\/section>\n
\nEl Nino’s primary impact is on the Pacific Ocean’s oceanographic and atmospheric conditions, specifically the weakening\/reversal of trade winds and warming of the eastern Pacific, leading to a distortion of the Walker Circulation.
\n<\/section>\n
\nOption A describes the distortion of equatorial atmospheric circulation (weakening of the Walker Circulation), which is a fundamental consequence of El Nino. Option C refers to irregularities in evaporation, which naturally occur with significant changes in sea surface temperatures. Option D describes the reduction in plankton and fish due to suppressed upwelling of nutrient-rich cold water off the coast of South America, a well-known ecological impact of El Nino. Therefore, B is the statement that does not accurately describe a resultant of the El Nino effect.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one of the following is not a resultant of the El Nino effect? [amp_mcq option1=”Distortion of equatorial atmospheric circulation.” option2=”Flow of the South-East Trade Winds towards the Indian Ocean.” option3=”Irregularities in the evaporation of sea water.” option4=”Reduction in the amount of planktons which reduces the number of fish in the sea.” correct=”option2″] This question … <\/p>\n

Detailed SolutionWhich one of the following is not a resultant of the El Nino effect?<\/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":[1087],"tags":[1108,1136,1259],"class_list":["post-85285","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-1","tag-1108","tag-environment-and-ecology","tag-greenhouse-effect-and-climate-change","no-featured-image-padding"],"yoast_head":"\nWhich one of the following is not a resultant of the El Nino effect?<\/title>\n<meta name=\"description\" content=\"El Nino is characterized by the warming of surface waters in the eastern tropical Pacific Ocean and a weakening or reversal of the trade winds in that region. This disrupts normal atmospheric circulation patterns, including the Walker Circulation. Option B states that it results in the flow of South-East Trade Winds towards the Indian Ocean, which is not a direct or characteristic result of the El Nino effect on the primary trade winds in the Pacific. While El Nino impacts global weather patterns and teleconnections can affect the Indian Ocean region and monsoon, the core effect on trade winds is their weakening in the Pacific, not a redirected flow towards the Indian Ocean. El Nino's primary impact is on the Pacific Ocean's oceanographic and atmospheric conditions, specifically the weakening\/reversal of trade winds and warming of the eastern Pacific, leading to a distortion of the Walker Circulation.\" \/>\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-resultant-of-the-el-nino-effect\/\" \/>\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 resultant of the El Nino effect?\" \/>\n<meta property=\"og:description\" content=\"El Nino is characterized by the warming of surface waters in the eastern tropical Pacific Ocean and a weakening or reversal of the trade winds in that region. This disrupts normal atmospheric circulation patterns, including the Walker Circulation. Option B states that it results in the flow of South-East Trade Winds towards the Indian Ocean, which is not a direct or characteristic result of the El Nino effect on the primary trade winds in the Pacific. While El Nino impacts global weather patterns and teleconnections can affect the Indian Ocean region and monsoon, the core effect on trade winds is their weakening in the Pacific, not a redirected flow towards the Indian Ocean. El Nino's primary impact is on the Pacific Ocean's oceanographic and atmospheric conditions, specifically the weakening\/reversal of trade winds and warming of the eastern Pacific, leading to a distortion of the Walker Circulation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-a-resultant-of-the-el-nino-effect\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T03:11:02+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=\"2 minutes\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Which one of the following is not a resultant of the El Nino effect?","description":"El Nino is characterized by the warming of surface waters in the eastern tropical Pacific Ocean and a weakening or reversal of the trade winds in that region. 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El Nino's primary impact is on the Pacific Ocean's oceanographic and atmospheric conditions, specifically the weakening\/reversal of trade winds and warming of the eastern Pacific, leading to a distortion of the Walker Circulation.","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-resultant-of-the-el-nino-effect\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following is not a resultant of the El Nino effect?","og_description":"El Nino is characterized by the warming of surface waters in the eastern tropical Pacific Ocean and a weakening or reversal of the trade winds in that region. This disrupts normal atmospheric circulation patterns, including the Walker Circulation. 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