{"id":91989,"date":"2025-06-01T11:10:45","date_gmt":"2025-06-01T11:10:45","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=91989"},"modified":"2025-06-01T11:10:45","modified_gmt":"2025-06-01T11:10:45","slug":"among-the-following-crops-which-one-is-the-most-important-anthropogen","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/among-the-following-crops-which-one-is-the-most-important-anthropogen\/","title":{"rendered":"Among the following crops, which one is the most important anthropogen"},"content":{"rendered":"

Among the following crops, which one is the most important anthropogenic source of both methane and nitrous oxide ?<\/p>\n

[amp_mcq option1=”Cotton” option2=”Rice” option3=”Sugarcane” option4=”Wheat” correct=”option2″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC IAS – 2022<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nAmong the given options, rice cultivation is the most important anthropogenic source of both methane and nitrous oxide.
\n<\/section>\n
\n– Rice paddies, when flooded, create anaerobic conditions in the soil, which are ideal for methanogenic bacteria to produce methane (CH4). Rice cultivation is a significant global source of anthropogenic methane emissions.
\n– Nitrous oxide (N2O) emissions from agriculture primarily come from the application of nitrogen fertilizers and the management of manure, which stimulates nitrifying and denitrifying bacteria in the soil. Rice cultivation often involves significant nitrogen fertilization.
\n– While other crops like cotton, sugarcane, and wheat contribute to N2O emissions (due to fertilization), they are not major sources of methane from the cultivation process itself, unlike flooded rice paddies.
\n<\/section>\n
\nGlobally, agriculture is a major contributor to both methane and nitrous oxide emissions. Enteric fermentation in livestock is another dominant source of methane, while synthetic fertilizers are a leading source of N2O. Rice cultivation uniquely combines significant emissions of both gases due to the specific conditions of paddy fields and fertilization practices.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Among the following crops, which one is the most important anthropogenic source of both methane and nitrous oxide ? [amp_mcq option1=”Cotton” option2=”Rice” option3=”Sugarcane” option4=”Wheat” correct=”option2″] This question was previously asked in UPSC IAS – 2022 Download PDFAttempt Online Among the given options, rice cultivation is the most important anthropogenic source of both methane and nitrous … <\/p>\n

Detailed SolutionAmong the following crops, which one is the most important anthropogen<\/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":[1108,1136,1259],"class_list":["post-91989","post","type-post","status-publish","format-standard","hentry","category-upsc-ias","tag-1108","tag-environment-and-ecology","tag-greenhouse-effect-and-climate-change","no-featured-image-padding"],"yoast_head":"\nAmong the following crops, which one is the most important anthropogen<\/title>\n<meta name=\"description\" content=\"Among the given options, rice cultivation is the most important anthropogenic source of both methane and nitrous oxide. - Rice paddies, when flooded, create anaerobic conditions in the soil, which are ideal for methanogenic bacteria to produce methane (CH4). Rice cultivation is a significant global source of anthropogenic methane emissions. - Nitrous oxide (N2O) emissions from agriculture primarily come from the application of nitrogen fertilizers and the management of manure, which stimulates nitrifying and denitrifying bacteria in the soil. Rice cultivation often involves significant nitrogen fertilization. - While other crops like cotton, sugarcane, and wheat contribute to N2O emissions (due to fertilization), they are not major sources of methane from the cultivation process itself, unlike flooded rice paddies.\" \/>\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\/among-the-following-crops-which-one-is-the-most-important-anthropogen\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Among the following crops, which one is the most important anthropogen\" \/>\n<meta property=\"og:description\" content=\"Among the given options, rice cultivation is the most important anthropogenic source of both methane and nitrous oxide. - Rice paddies, when flooded, create anaerobic conditions in the soil, which are ideal for methanogenic bacteria to produce methane (CH4). Rice cultivation is a significant global source of anthropogenic methane emissions. - Nitrous oxide (N2O) emissions from agriculture primarily come from the application of nitrogen fertilizers and the management of manure, which stimulates nitrifying and denitrifying bacteria in the soil. Rice cultivation often involves significant nitrogen fertilization. - While other crops like cotton, sugarcane, and wheat contribute to N2O emissions (due to fertilization), they are not major sources of methane from the cultivation process itself, unlike flooded rice paddies.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/among-the-following-crops-which-one-is-the-most-important-anthropogen\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:10:45+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":"Among the following crops, which one is the most important anthropogen","description":"Among the given options, rice cultivation is the most important anthropogenic source of both methane and nitrous oxide. - Rice paddies, when flooded, create anaerobic conditions in the soil, which are ideal for methanogenic bacteria to produce methane (CH4). Rice cultivation is a significant global source of anthropogenic methane emissions. - Nitrous oxide (N2O) emissions from agriculture primarily come from the application of nitrogen fertilizers and the management of manure, which stimulates nitrifying and denitrifying bacteria in the soil. 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