{"id":89449,"date":"2025-06-01T10:04:52","date_gmt":"2025-06-01T10:04:52","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=89449"},"modified":"2025-06-01T10:04:52","modified_gmt":"2025-06-01T10:04:52","slug":"which-one-of-the-following-consequences-will-happen-if-large-quantitie","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-consequences-will-happen-if-large-quantitie\/","title":{"rendered":"Which one of the following consequences will happen if large quantitie"},"content":{"rendered":"<p>Which one of the following consequences will happen if large quantities of domestic sewage are continuously discharged in a stream ?<\/p>\n<p>[amp_mcq option1=&#8221;Increase in the algal bloom of the stream water&#8221; option2=&#8221;Increase in the temperature level of the stream water&#8221; option3=&#8221;Reduction in the carbon dioxide level of the stream water&#8221; option4=&#8221;Reduction in the dissolved oxygen level of the stream water&#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 CAPF &#8211; 2011<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-capf-2011.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-capf-2011\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">Discharging large quantities of domestic sewage into a stream will result in a reduction in the dissolved oxygen level of the stream water.<\/section>\n<section id=\"pyq-key-points\">Domestic sewage contains a high concentration of organic matter. Decomposers (primarily aerobic bacteria) break down this organic matter, a process that consumes large amounts of dissolved oxygen from the water (high Biochemical Oxygen Demand &#8211; BOD).<\/section>\n<section id=\"pyq-additional-information\">A significant drop in dissolved oxygen can be detrimental or fatal to fish and other aquatic organisms, leading to their death and disruption of the aquatic ecosystem. While sewage also contains nutrients that can lead to algal blooms (eutrophication), the immediate and most critical consequence for aquatic life is the depletion of dissolved oxygen.<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which one of the following consequences will happen if large quantities of domestic sewage are continuously discharged in a stream ? [amp_mcq option1=&#8221;Increase in the algal bloom of the stream water&#8221; option2=&#8221;Increase in the temperature level of the stream water&#8221; option3=&#8221;Reduction in the carbon dioxide level of the stream water&#8221; option4=&#8221;Reduction in the dissolved oxygen &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which one of the following consequences will happen if large quantitie\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-consequences-will-happen-if-large-quantitie\/#more-89449\">Detailed Solution<span class=\"screen-reader-text\">Which one of the following consequences will happen if large quantitie<\/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":[1085],"tags":[1465,1136,1137],"class_list":["post-89449","post","type-post","status-publish","format-standard","hentry","category-upsc-capf","tag-1465","tag-environment-and-ecology","tag-pollution","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 consequences will happen if large quantitie<\/title>\n<meta name=\"description\" content=\"Discharging large quantities of domestic sewage into a stream will result in a reduction in the dissolved oxygen level of the stream water. Domestic sewage contains a high concentration of organic matter. Decomposers (primarily aerobic bacteria) break down this organic matter, a process that consumes large amounts of dissolved oxygen from the water (high Biochemical Oxygen Demand - BOD).\" \/>\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-consequences-will-happen-if-large-quantitie\/\" \/>\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 consequences will happen if large quantitie\" \/>\n<meta property=\"og:description\" content=\"Discharging large quantities of domestic sewage into a stream will result in a reduction in the dissolved oxygen level of the stream water. Domestic sewage contains a high concentration of organic matter. Decomposers (primarily aerobic bacteria) break down this organic matter, a process that consumes large amounts of dissolved oxygen from the water (high Biochemical Oxygen Demand - BOD).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-consequences-will-happen-if-large-quantitie\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T10:04:52+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 consequences will happen if large quantitie","description":"Discharging large quantities of domestic sewage into a stream will result in a reduction in the dissolved oxygen level of the stream water. Domestic sewage contains a high concentration of organic matter. Decomposers (primarily aerobic bacteria) break down this organic matter, a process that consumes large amounts of dissolved oxygen from the water (high Biochemical Oxygen Demand - BOD).","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-consequences-will-happen-if-large-quantitie\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following consequences will happen if large quantitie","og_description":"Discharging large quantities of domestic sewage into a stream will result in a reduction in the dissolved oxygen level of the stream water. Domestic sewage contains a high concentration of organic matter. Decomposers (primarily aerobic bacteria) break down this organic matter, a process that consumes large amounts of dissolved oxygen from the water (high Biochemical Oxygen Demand - BOD).","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-consequences-will-happen-if-large-quantitie\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T10:04:52+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-consequences-will-happen-if-large-quantitie\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-consequences-will-happen-if-large-quantitie\/","name":"Which one of the following consequences will happen if large quantitie","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T10:04:52+00:00","dateModified":"2025-06-01T10:04:52+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Discharging large quantities of domestic sewage into a stream will result in a reduction in the dissolved oxygen level of the stream water. Domestic sewage contains a high concentration of organic matter. Decomposers (primarily aerobic bacteria) break down this organic matter, a process that consumes large amounts of dissolved oxygen from the water (high Biochemical Oxygen Demand - BOD).","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-consequences-will-happen-if-large-quantitie\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-consequences-will-happen-if-large-quantitie\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-consequences-will-happen-if-large-quantitie\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CAPF","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-capf\/"},{"@type":"ListItem","position":3,"name":"Which one of the following consequences will happen if large quantitie"}]},{"@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\/89449","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=89449"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/89449\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=89449"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=89449"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=89449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}