{"id":39716,"date":"2024-04-26T13:01:17","date_gmt":"2024-04-26T13:01:17","guid":{"rendered":"https:\/\/edukemy.com\/blog\/?p=39716"},"modified":"2024-04-27T15:58:53","modified_gmt":"2024-04-27T15:58:53","slug":"upsc-prelims-2015-question-93","status":"publish","type":"post","link":"https:\/\/edukemy.com\/blog\/upsc-prelims-2015-question-93\/","title":{"rendered":"UPSC Prelims 2015 &#8211; Question 93"},"content":{"rendered":"\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-69fe527206ba2\" class=\"ez-toc-cssicon-toggle-label\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69fe527206ba2\"  \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/edukemy.com\/blog\/upsc-prelims-2015-question-93\/#93With_reference_to_bio-toilets_used_by_the_Indian_Railways_consider_the_following_statements\" title=\"93.With reference to bio-toilets used by the Indian Railways, consider the following statements:\">93.With reference to bio-toilets used by the Indian Railways, consider the following statements:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/edukemy.com\/blog\/upsc-prelims-2015-question-93\/#The_correct_answer_is%E2%80%AFNeither_1_nor_2\" title=\"The correct answer is\u202fNeither 1 nor 2.&nbsp;\">The correct answer is\u202fNeither 1 nor 2.&nbsp;<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/edukemy.com\/blog\/upsc-prelims-2015-question-93\/#In_case_you_still_have_your_doubts_contact_us_on_9811333901\" title=\"In case you still have your doubts, contact us on 9811333901.&nbsp;\">In case you still have your doubts, contact us on 9811333901.&nbsp;<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"93With_reference_to_bio-toilets_used_by_the_Indian_Railways_consider_the_following_statements\"><\/span>93.With reference to bio-toilets used by the Indian<br>Railways, consider the following statements:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\"><li>The decomposition of human waste in the bio-toilets is initiated by a fungal inoculums.<\/li><li>Ammonia and water vapour are the only end products in this decomposition which are<br>released into the atmosphere.<br>Which of the statements given above is\/are correct?<br>a) 1 only<br>b) 2 only<br>c) Both 1 and 2<br>d) Neither 1 nor 2<\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_correct_answer_is%E2%80%AFNeither_1_nor_2\"><\/span>The correct answer is\u202f<strong>Neither 1 nor 2<\/strong>.&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>The bio-toilets<\/strong>&nbsp;<ul><li>It was developed by the railways and the\u202f<strong>Defence Research &amp; Development Organisation (DRDO)<\/strong>.&nbsp;<\/li><li><strong>It has a colony of\u202fanaerobic bacteria,\u202fkept in a container under the lavatories that convert human waste into water and small amounts of gases.<\/strong>\u202f<strong>Hence statement 1 is incorrect<\/strong>.&nbsp;<\/li><li>The water is discharged onto the track after chlorination and the gases are released into the atmosphere.&nbsp;<\/li><li>Each toilet&#8217;s bio-digester tank is stocked with inoculums containing four different varieties of bacteria under the DRDO&#8217;s bio-toilet idea.&nbsp;<\/li><li>The toilet&#8217;s water trap mechanism keeps air from entering the tank, anaerobic bacteria process human waste in the tank&#8217;s seven chambers, and methane gas is permitted to escape into the atmosphere.&nbsp;<\/li><li><strong>After the completion of this process, only methane, carbon dioxide gases and water remain.\u202f<\/strong>These gases are left in the environment whereas water can be recycled and used in toilets again.\u202f<strong>Hence statement 2 is not correct<\/strong>.&nbsp;<\/li><\/ul><\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/edukemy.com\/upsc\/upsc-essay?utm_source=Blog&amp;utm_medium=Banner&amp;utm_campaign=Essay\" target=\"_blank\" rel=\"noreferrer noopener\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/edukemy.com\/blog\/wp-content\/uploads\/2024\/06\/UPSC-Essay-Course-1280\u00d7300-1-3.svg\" alt=\"\" class=\"wp-image-42688\" width=\"781\" height=\"182\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"block-c6ab63ae-7083-4831-b519-cb89dacafb18\"><span class=\"ez-toc-section\" id=\"In_case_you_still_have_your_doubts_contact_us_on_9811333901\"><\/span><strong>In case you still have your doubts, contact us on 9811333901.<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p id=\"block-52c5a91b-6ed6-46e3-b781-7cc0c63a0b76\">For UPSC Prelims Resources,&nbsp;<a href=\"https:\/\/edukemy.com\/upsc-cse-prelims-resource-centre\" target=\"_blank\" rel=\"noreferrer noopener\">Click here<\/a><\/p>\n\n\n\n<p id=\"block-d014fe86-d628-49d8-82ce-6c60dc6e7a73\">For Daily Updates and Study Material:<\/p>\n\n\n\n<p id=\"block-38177954-e668-4d8d-b250-d0fbd5a09390\">Join our Telegram Channel \u2013&nbsp;<a href=\"https:\/\/t.me\/WithEdukemy4IAS\" target=\"_blank\" rel=\"noreferrer noopener\">Edukemy for IAS<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\" id=\"block-49ca2fe3-109f-4a88-b72e-9df49c3d328e\"><li>1. 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Ammonia and water vapour&hellip;<\/p>\n","protected":false},"author":22,"featured_media":39794,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[164],"tags":[142,140],"class_list":["post-39716","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-prelims","tag-previous_year_questions","tag-upsc_preparation_strategy"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts\/39716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/comments?post=39716"}],"version-history":[{"count":3,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts\/39716\/revisions"}],"predecessor-version":[{"id":40018,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts\/39716\/revisions\/40018"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/media\/39794"}],"wp:attachment":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/media?parent=39716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/categories?post=39716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/tags?post=39716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}