{"id":511,"date":"2023-06-12T13:02:05","date_gmt":"2023-06-12T07:32:05","guid":{"rendered":"https:\/\/lotusarise.com\/qna\/?p=511"},"modified":"2024-04-03T07:12:18","modified_gmt":"2024-04-03T01:42:18","slug":"q-biological-oxygen-demand-bod-is-a-standard-criterion-for","status":"publish","type":"post","link":"https:\/\/lotusarise.com\/qna\/upsc\/q-biological-oxygen-demand-bod-is-a-standard-criterion-for","title":{"rendered":"Q. Biological Oxygen Demand (BOD) is a standard criterion for"},"content":{"rendered":"\n<ul class=\"mcq wp-block-list\">\n<li>Measuring oxygen levels in blood<\/li>\n\n\n\n<li>Computing- oxygen levels in forest ecosystems<\/li>\n\n\n\n<li>Pollution assay in aquatic ecosystems<\/li>\n\n\n\n<li>Assessing oxygen levels in high altitude regions<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Answer: (c) Pollution assay in aquatic ecosystems<\/strong><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">Notes:<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Biological Oxygen Demand (BOD)<\/strong>:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>It is the&nbsp;<strong>amount of dissolved oxygen needed&nbsp;by aerobic biological organisms to break down organic material present in a given water sample at a certain temperature over a specific time period to&nbsp;break down organic material present in that water.<\/strong><\/li>\n\n\n\n<li>BOD is&nbsp;often&nbsp;<strong>used in wastewater-treatment plants and is used&nbsp;as an index of the degree of organic pollution in water.<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lotusarise.com\/wp-content\/uploads\/2023\/04\/Differences-between-BOD-and-COD-1024x766.png\" alt=\"differences between BOD and COD\" class=\"wp-image-34651\" width=\"757\" height=\"566\" title=\"\"><\/figure>\n<\/div>\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-_d28eda-86 .kt-block-spacer{height:40px;}.wp-block-kadence-spacer.kt-block-spacer-_d28eda-86 .kt-divider{border-top-width:2px;border-top-color:#eee;width:100%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-_d28eda-86\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Answer: (c) Pollution assay in aquatic ecosystems Notes: Biological Oxygen Demand (BOD):<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1,3],"tags":[36],"years":[56],"class_list":["post-511","post","type-post","status-publish","format-standard","hentry","category-upsc","category-prelims","tag-environment","years-56"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"UPSC"},{"value":3,"label":"Prelims"}],"post_tag":[{"value":36,"label":"Environment"}],"years":[{"value":56,"label":"2017"}]},"featured_image_src_large":false,"author_info":{"display_name":"LotusArise","author_link":"https:\/\/lotusarise.com\/qna\/author\/team-lotusarise"},"comment_info":0,"category_info":[{"term_id":1,"name":"UPSC","slug":"upsc","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":1269,"filter":"raw","cat_ID":1,"category_count":1269,"category_description":"","cat_name":"UPSC","category_nicename":"upsc","category_parent":0},{"term_id":3,"name":"Prelims","slug":"prelims","term_group":0,"term_taxonomy_id":3,"taxonomy":"category","description":"","parent":1,"count":1251,"filter":"raw","cat_ID":3,"category_count":1251,"category_description":"","cat_name":"Prelims","category_nicename":"prelims","category_parent":1}],"tag_info":[{"term_id":36,"name":"Environment","slug":"environment","term_group":0,"term_taxonomy_id":36,"taxonomy":"post_tag","description":"","parent":0,"count":193,"filter":"raw"}],"_links":{"self":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/511","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/comments?post=511"}],"version-history":[{"count":1,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/511\/revisions"}],"predecessor-version":[{"id":513,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/511\/revisions\/513"}],"wp:attachment":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/media?parent=511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/categories?post=511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/tags?post=511"},{"taxonomy":"years","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/years?post=511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}