{"id":86625,"date":"2025-06-01T04:17:19","date_gmt":"2025-06-01T04:17:19","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=86625"},"modified":"2025-06-01T04:17:19","modified_gmt":"2025-06-01T04:17:19","slug":"chemosynthetic-bacteria-found-near-sub-marine-volcanic-vents-feed-on","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/chemosynthetic-bacteria-found-near-sub-marine-volcanic-vents-feed-on\/","title":{"rendered":"Chemosynthetic bacteria found near sub-marine volcanic vents feed on:"},"content":{"rendered":"<p>Chemosynthetic bacteria found near sub-marine volcanic vents feed on:<\/p>\n<p>[amp_mcq option1=&#8221;Hydrogen sulphide (H\u2082S).&#8221; option2=&#8221;Organic matter.&#8221; option3=&#8221;Deep sea tube worms.&#8221; option4=&#8221;Inorganic carbon.&#8221; correct=&#8221;option1&#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 Geoscientist &#8211; 2020<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-geoscientist-2020.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-geoscientist-2020\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">Chemosynthetic bacteria found near sub-marine volcanic vents feed on Hydrogen sulphide (H\u2082S).<\/section>\n<section id=\"pyq-key-points\">Deep-sea hydrothermal vents release various chemicals, including high concentrations of hydrogen sulfide (H\u2082S). Chemosynthetic bacteria utilize the energy released from the oxidation of H\u2082S and other reduced inorganic compounds to synthesize organic molecules, forming the base of the food web in these aphotic environments.<\/section>\n<section id=\"pyq-additional-information\">Unlike photosynthesis which uses sunlight, chemosynthesis uses chemical energy. The ecosystem around hydrothermal vents is one of the most well-known examples of a chemosynthesis-based ecosystem.<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Chemosynthetic bacteria found near sub-marine volcanic vents feed on: [amp_mcq option1=&#8221;Hydrogen sulphide (H\u2082S).&#8221; option2=&#8221;Organic matter.&#8221; option3=&#8221;Deep sea tube worms.&#8221; option4=&#8221;Inorganic carbon.&#8221; correct=&#8221;option1&#8243;] This question was previously asked in UPSC Geoscientist &#8211; 2020 Download PDFAttempt Online Chemosynthetic bacteria found near sub-marine volcanic vents feed on Hydrogen sulphide (H\u2082S). Deep-sea hydrothermal vents release various chemicals, including high &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Chemosynthetic bacteria found near sub-marine volcanic vents feed on:\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/chemosynthetic-bacteria-found-near-sub-marine-volcanic-vents-feed-on\/#more-86625\">Detailed Solution<span class=\"screen-reader-text\">Chemosynthetic bacteria found near sub-marine volcanic vents feed on:<\/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":[1091],"tags":[1288,1117,1115],"class_list":["post-86625","post","type-post","status-publish","format-standard","hentry","category-upsc-geoscientist","tag-1288","tag-biology","tag-miscellaneous","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>Chemosynthetic bacteria found near sub-marine volcanic vents feed on:<\/title>\n<meta name=\"description\" content=\"Chemosynthetic bacteria found near sub-marine volcanic vents feed on Hydrogen sulphide (H\u2082S). Deep-sea hydrothermal vents release various chemicals, including high concentrations of hydrogen sulfide (H\u2082S). Chemosynthetic bacteria utilize the energy released from the oxidation of H\u2082S and other reduced inorganic compounds to synthesize organic molecules, forming the base of the food web in these aphotic environments.\" \/>\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\/chemosynthetic-bacteria-found-near-sub-marine-volcanic-vents-feed-on\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chemosynthetic bacteria found near sub-marine volcanic vents feed on:\" \/>\n<meta property=\"og:description\" content=\"Chemosynthetic bacteria found near sub-marine volcanic vents feed on Hydrogen sulphide (H\u2082S). Deep-sea hydrothermal vents release various chemicals, including high concentrations of hydrogen sulfide (H\u2082S). Chemosynthetic bacteria utilize the energy released from the oxidation of H\u2082S and other reduced inorganic compounds to synthesize organic molecules, forming the base of the food web in these aphotic environments.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/chemosynthetic-bacteria-found-near-sub-marine-volcanic-vents-feed-on\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T04:17:19+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":"Chemosynthetic bacteria found near sub-marine volcanic vents feed on:","description":"Chemosynthetic bacteria found near sub-marine volcanic vents feed on Hydrogen sulphide (H\u2082S). Deep-sea hydrothermal vents release various chemicals, including high concentrations of hydrogen sulfide (H\u2082S). Chemosynthetic bacteria utilize the energy released from the oxidation of H\u2082S and other reduced inorganic compounds to synthesize organic molecules, forming the base of the food web in these aphotic environments.","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\/chemosynthetic-bacteria-found-near-sub-marine-volcanic-vents-feed-on\/","og_locale":"en_US","og_type":"article","og_title":"Chemosynthetic bacteria found near sub-marine volcanic vents feed on:","og_description":"Chemosynthetic bacteria found near sub-marine volcanic vents feed on Hydrogen sulphide (H\u2082S). Deep-sea hydrothermal vents release various chemicals, including high concentrations of hydrogen sulfide (H\u2082S). Chemosynthetic bacteria utilize the energy released from the oxidation of H\u2082S and other reduced inorganic compounds to synthesize organic molecules, forming the base of the food web in these aphotic environments.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/chemosynthetic-bacteria-found-near-sub-marine-volcanic-vents-feed-on\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T04:17:19+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\/chemosynthetic-bacteria-found-near-sub-marine-volcanic-vents-feed-on\/","url":"https:\/\/exam.pscnotes.com\/mcq\/chemosynthetic-bacteria-found-near-sub-marine-volcanic-vents-feed-on\/","name":"Chemosynthetic bacteria found near sub-marine volcanic vents feed on:","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T04:17:19+00:00","dateModified":"2025-06-01T04:17:19+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Chemosynthetic bacteria found near sub-marine volcanic vents feed on Hydrogen sulphide (H\u2082S). Deep-sea hydrothermal vents release various chemicals, including high concentrations of hydrogen sulfide (H\u2082S). Chemosynthetic bacteria utilize the energy released from the oxidation of H\u2082S and other reduced inorganic compounds to synthesize organic molecules, forming the base of the food web in these aphotic environments.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/chemosynthetic-bacteria-found-near-sub-marine-volcanic-vents-feed-on\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/chemosynthetic-bacteria-found-near-sub-marine-volcanic-vents-feed-on\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/chemosynthetic-bacteria-found-near-sub-marine-volcanic-vents-feed-on\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC Geoscientist","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-geoscientist\/"},{"@type":"ListItem","position":3,"name":"Chemosynthetic bacteria found near sub-marine volcanic vents feed on:"}]},{"@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\/86625","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=86625"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/86625\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=86625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=86625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=86625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}