{"id":91990,"date":"2025-06-01T11:10:46","date_gmt":"2025-06-01T11:10:46","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=91990"},"modified":"2025-06-01T11:10:46","modified_gmt":"2025-06-01T11:10:46","slug":"system-of-rice-intensification-of-cultivation-in-which-alternate-we","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/system-of-rice-intensification-of-cultivation-in-which-alternate-we\/","title":{"rendered":"&#8220;System of Rice Intensification&#8221; of cultivation, in which alternate we"},"content":{"rendered":"<p>&#8220;System of Rice Intensification&#8221; of cultivation, in which alternate wetting and drying of rice fields is practised, results in :<\/p>\n<ul>\n<li> Reduced seed requirement<\/li>\n<li> Reduced methane production<\/li>\n<li> Reduced electricity consumption<\/li>\n<\/ul>\n<p>Select the correct answer using the code given below :<\/p>\n<p>[amp_mcq option1=&#8221;1 and 2 only&#8221; option2=&#8221;2 and 3 only&#8221; option3=&#8221;1 and 3 only&#8221; option4=&#8221;1, 2 and 3&#8243; 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 IAS &#8211; 2022<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-ias-2022.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-ias-2022\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe System of Rice Intensification (SRI), particularly the practice of alternate wetting and drying (AWD), results in reduced seed requirement, reduced methane production, and reduced electricity consumption.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n&#8211; Statement 1 (Reduced seed requirement): SRI typically involves transplanting single, young seedlings at wider spacing compared to traditional methods, significantly lowering the amount of seed needed per unit area. Correct.<br \/>\n&#8211; Statement 2 (Reduced methane production): Methane is produced in rice paddies under continuous flooding due to anaerobic decomposition. Alternate wetting and drying cycles introduce oxygen into the soil, reducing anaerobic conditions and thus significantly lowering methane emissions. Correct.<br \/>\n&#8211; Statement 3 (Reduced electricity consumption): Less water is used in SRI due to AWD compared to continuous flooding. If irrigation relies on electric pumps, reduced water usage translates directly to reduced electricity consumption for pumping. Correct.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nSRI is a set of practices aimed at increasing rice yields while using fewer inputs like water, seed, and fertilizers, and reducing greenhouse gas emissions. AWD is a key component that achieves water savings and methane reduction. SRI also typically leads to healthier soil and stronger plants.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;System of Rice Intensification&#8221; of cultivation, in which alternate wetting and drying of rice fields is practised, results in : Reduced seed requirement Reduced methane production Reduced electricity consumption Select the correct answer using the code given below : [amp_mcq option1=&#8221;1 and 2 only&#8221; option2=&#8221;2 and 3 only&#8221; option3=&#8221;1 and 3 only&#8221; option4=&#8221;1, 2 and &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"&#8220;System of Rice Intensification&#8221; of cultivation, in which alternate we\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/system-of-rice-intensification-of-cultivation-in-which-alternate-we\/#more-91990\">Detailed Solution<span class=\"screen-reader-text\">&#8220;System of Rice Intensification&#8221; of cultivation, in which alternate we<\/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-91990","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":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>&quot;System of Rice Intensification&quot; of cultivation, in which alternate we<\/title>\n<meta name=\"description\" content=\"The System of Rice Intensification (SRI), particularly the practice of alternate wetting and drying (AWD), results in reduced seed requirement, reduced methane production, and reduced electricity consumption. - Statement 1 (Reduced seed requirement): SRI typically involves transplanting single, young seedlings at wider spacing compared to traditional methods, significantly lowering the amount of seed needed per unit area. Correct. - Statement 2 (Reduced methane production): Methane is produced in rice paddies under continuous flooding due to anaerobic decomposition. Alternate wetting and drying cycles introduce oxygen into the soil, reducing anaerobic conditions and thus significantly lowering methane emissions. Correct. - Statement 3 (Reduced electricity consumption): Less water is used in SRI due to AWD compared to continuous flooding. If irrigation relies on electric pumps, reduced water usage translates directly to reduced electricity consumption for pumping. Correct.\" \/>\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\/system-of-rice-intensification-of-cultivation-in-which-alternate-we\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"&quot;System of Rice Intensification&quot; of cultivation, in which alternate we\" \/>\n<meta property=\"og:description\" content=\"The System of Rice Intensification (SRI), particularly the practice of alternate wetting and drying (AWD), results in reduced seed requirement, reduced methane production, and reduced electricity consumption. - Statement 1 (Reduced seed requirement): SRI typically involves transplanting single, young seedlings at wider spacing compared to traditional methods, significantly lowering the amount of seed needed per unit area. Correct. - Statement 2 (Reduced methane production): Methane is produced in rice paddies under continuous flooding due to anaerobic decomposition. Alternate wetting and drying cycles introduce oxygen into the soil, reducing anaerobic conditions and thus significantly lowering methane emissions. Correct. - Statement 3 (Reduced electricity consumption): Less water is used in SRI due to AWD compared to continuous flooding. If irrigation relies on electric pumps, reduced water usage translates directly to reduced electricity consumption for pumping. Correct.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/system-of-rice-intensification-of-cultivation-in-which-alternate-we\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:10:46+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":"\"System of Rice Intensification\" of cultivation, in which alternate we","description":"The System of Rice Intensification (SRI), particularly the practice of alternate wetting and drying (AWD), results in reduced seed requirement, reduced methane production, and reduced electricity consumption. - Statement 1 (Reduced seed requirement): SRI typically involves transplanting single, young seedlings at wider spacing compared to traditional methods, significantly lowering the amount of seed needed per unit area. Correct. - Statement 2 (Reduced methane production): Methane is produced in rice paddies under continuous flooding due to anaerobic decomposition. Alternate wetting and drying cycles introduce oxygen into the soil, reducing anaerobic conditions and thus significantly lowering methane emissions. Correct. - Statement 3 (Reduced electricity consumption): Less water is used in SRI due to AWD compared to continuous flooding. If irrigation relies on electric pumps, reduced water usage translates directly to reduced electricity consumption for pumping. Correct.","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\/system-of-rice-intensification-of-cultivation-in-which-alternate-we\/","og_locale":"en_US","og_type":"article","og_title":"\"System of Rice Intensification\" of cultivation, in which alternate we","og_description":"The System of Rice Intensification (SRI), particularly the practice of alternate wetting and drying (AWD), results in reduced seed requirement, reduced methane production, and reduced electricity consumption. - Statement 1 (Reduced seed requirement): SRI typically involves transplanting single, young seedlings at wider spacing compared to traditional methods, significantly lowering the amount of seed needed per unit area. Correct. - Statement 2 (Reduced methane production): Methane is produced in rice paddies under continuous flooding due to anaerobic decomposition. Alternate wetting and drying cycles introduce oxygen into the soil, reducing anaerobic conditions and thus significantly lowering methane emissions. Correct. - Statement 3 (Reduced electricity consumption): Less water is used in SRI due to AWD compared to continuous flooding. If irrigation relies on electric pumps, reduced water usage translates directly to reduced electricity consumption for pumping. Correct.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/system-of-rice-intensification-of-cultivation-in-which-alternate-we\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T11:10:46+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\/system-of-rice-intensification-of-cultivation-in-which-alternate-we\/","url":"https:\/\/exam.pscnotes.com\/mcq\/system-of-rice-intensification-of-cultivation-in-which-alternate-we\/","name":"\"System of Rice Intensification\" of cultivation, in which alternate we","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T11:10:46+00:00","dateModified":"2025-06-01T11:10:46+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The System of Rice Intensification (SRI), particularly the practice of alternate wetting and drying (AWD), results in reduced seed requirement, reduced methane production, and reduced electricity consumption. - Statement 1 (Reduced seed requirement): SRI typically involves transplanting single, young seedlings at wider spacing compared to traditional methods, significantly lowering the amount of seed needed per unit area. Correct. - Statement 2 (Reduced methane production): Methane is produced in rice paddies under continuous flooding due to anaerobic decomposition. Alternate wetting and drying cycles introduce oxygen into the soil, reducing anaerobic conditions and thus significantly lowering methane emissions. Correct. - Statement 3 (Reduced electricity consumption): Less water is used in SRI due to AWD compared to continuous flooding. If irrigation relies on electric pumps, reduced water usage translates directly to reduced electricity consumption for pumping. Correct.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/system-of-rice-intensification-of-cultivation-in-which-alternate-we\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/system-of-rice-intensification-of-cultivation-in-which-alternate-we\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/system-of-rice-intensification-of-cultivation-in-which-alternate-we\/#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":"&#8220;System of Rice Intensification&#8221; of cultivation, in which alternate we"}]},{"@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\/91990","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=91990"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/91990\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=91990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=91990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=91990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}