{"id":87044,"date":"2025-06-01T04:26:59","date_gmt":"2025-06-01T04:26:59","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87044"},"modified":"2025-06-01T04:26:59","modified_gmt":"2025-06-01T04:26:59","slug":"which-one-of-the-following-algae-is-not-known-identified-partner-to","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-algae-is-not-known-identified-partner-to\/","title":{"rendered":"Which one of the following &#8216;algae&#8217; is not known identified partner to"},"content":{"rendered":"<p>Which one of the following &#8216;algae&#8217; is not known identified partner to form lichen?<\/p>\n<p>[amp_mcq option1=&#8221;Nostoc&#8221; option2=&#8221;Stigonema&#8221; option3=&#8221;Trentepohlia&#8221; option4=&#8221;Vaucheria&#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 Geoscientist &#8211; 2023<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-geoscientist-2023.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-geoscientist-2023\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nLichens are formed through a symbiotic association between a fungus (mycobiont) and a photosynthetic partner (photobiont), which is usually a green alga or a cyanobacterium. Common algal photobionts belong to genera like Trebouxia, Trentepohlia, and Pseudotrebouxia. Cyanobacterial photobionts include genera like Nostoc and Stigonema. Vaucheria is a filamentous alga belonging to the Xanthophyceae (yellow-green algae) and is not a commonly known or identified photobiont partner in lichen formation.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n&#8211; Lichens are symbioses between fungi and photosynthetic organisms (algae or cyanobacteria).<br \/>\n&#8211; Nostoc and Stigonema are cyanobacteria known to form lichen associations.<br \/>\n&#8211; Trentepohlia is a green alga known to form lichen associations.<br \/>\n&#8211; Vaucheria is a yellow-green alga not typically found as a lichen photobiont.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe majority of lichen photobionts are green algae (~90%), with cyanobacteria making up most of the remainder. The specific species involved are often highly specialized for the symbiotic relationship.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which one of the following &#8216;algae&#8217; is not known identified partner to form lichen? [amp_mcq option1=&#8221;Nostoc&#8221; option2=&#8221;Stigonema&#8221; option3=&#8221;Trentepohlia&#8221; option4=&#8221;Vaucheria&#8221; correct=&#8221;option4&#8243;] This question was previously asked in UPSC Geoscientist &#8211; 2023 Download PDFAttempt Online Lichens are formed through a symbiotic association between a fungus (mycobiont) and a photosynthetic partner (photobiont), which is usually a green alga &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which one of the following &#8216;algae&#8217; is not known identified partner to\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-algae-is-not-known-identified-partner-to\/#more-87044\">Detailed Solution<span class=\"screen-reader-text\">Which one of the following &#8216;algae&#8217; is not known identified partner to<\/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":[1105,1117,1243],"class_list":["post-87044","post","type-post","status-publish","format-standard","hentry","category-upsc-geoscientist","tag-1105","tag-biology","tag-taxonomy","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 &#039;algae&#039; is not known identified partner to<\/title>\n<meta name=\"description\" content=\"Lichens are formed through a symbiotic association between a fungus (mycobiont) and a photosynthetic partner (photobiont), which is usually a green alga or a cyanobacterium. Common algal photobionts belong to genera like Trebouxia, Trentepohlia, and Pseudotrebouxia. Cyanobacterial photobionts include genera like Nostoc and Stigonema. Vaucheria is a filamentous alga belonging to the Xanthophyceae (yellow-green algae) and is not a commonly known or identified photobiont partner in lichen formation. - Lichens are symbioses between fungi and photosynthetic organisms (algae or cyanobacteria). - Nostoc and Stigonema are cyanobacteria known to form lichen associations. - Trentepohlia is a green alga known to form lichen associations. - Vaucheria is a yellow-green alga not typically found as a lichen photobiont.\" \/>\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-algae-is-not-known-identified-partner-to\/\" \/>\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 &#039;algae&#039; is not known identified partner to\" \/>\n<meta property=\"og:description\" content=\"Lichens are formed through a symbiotic association between a fungus (mycobiont) and a photosynthetic partner (photobiont), which is usually a green alga or a cyanobacterium. Common algal photobionts belong to genera like Trebouxia, Trentepohlia, and Pseudotrebouxia. Cyanobacterial photobionts include genera like Nostoc and Stigonema. Vaucheria is a filamentous alga belonging to the Xanthophyceae (yellow-green algae) and is not a commonly known or identified photobiont partner in lichen formation. - Lichens are symbioses between fungi and photosynthetic organisms (algae or cyanobacteria). - Nostoc and Stigonema are cyanobacteria known to form lichen associations. - Trentepohlia is a green alga known to form lichen associations. - Vaucheria is a yellow-green alga not typically found as a lichen photobiont.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-algae-is-not-known-identified-partner-to\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T04:26:59+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 'algae' is not known identified partner to","description":"Lichens are formed through a symbiotic association between a fungus (mycobiont) and a photosynthetic partner (photobiont), which is usually a green alga or a cyanobacterium. Common algal photobionts belong to genera like Trebouxia, Trentepohlia, and Pseudotrebouxia. Cyanobacterial photobionts include genera like Nostoc and Stigonema. Vaucheria is a filamentous alga belonging to the Xanthophyceae (yellow-green algae) and is not a commonly known or identified photobiont partner in lichen formation. - Lichens are symbioses between fungi and photosynthetic organisms (algae or cyanobacteria). - Nostoc and Stigonema are cyanobacteria known to form lichen associations. - Trentepohlia is a green alga known to form lichen associations. - Vaucheria is a yellow-green alga not typically found as a lichen photobiont.","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-algae-is-not-known-identified-partner-to\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following 'algae' is not known identified partner to","og_description":"Lichens are formed through a symbiotic association between a fungus (mycobiont) and a photosynthetic partner (photobiont), which is usually a green alga or a cyanobacterium. Common algal photobionts belong to genera like Trebouxia, Trentepohlia, and Pseudotrebouxia. Cyanobacterial photobionts include genera like Nostoc and Stigonema. Vaucheria is a filamentous alga belonging to the Xanthophyceae (yellow-green algae) and is not a commonly known or identified photobiont partner in lichen formation. - Lichens are symbioses between fungi and photosynthetic organisms (algae or cyanobacteria). - Nostoc and Stigonema are cyanobacteria known to form lichen associations. - Trentepohlia is a green alga known to form lichen associations. - Vaucheria is a yellow-green alga not typically found as a lichen photobiont.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-algae-is-not-known-identified-partner-to\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T04:26:59+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-algae-is-not-known-identified-partner-to\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-algae-is-not-known-identified-partner-to\/","name":"Which one of the following 'algae' is not known identified partner to","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T04:26:59+00:00","dateModified":"2025-06-01T04:26:59+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Lichens are formed through a symbiotic association between a fungus (mycobiont) and a photosynthetic partner (photobiont), which is usually a green alga or a cyanobacterium. Common algal photobionts belong to genera like Trebouxia, Trentepohlia, and Pseudotrebouxia. Cyanobacterial photobionts include genera like Nostoc and Stigonema. Vaucheria is a filamentous alga belonging to the Xanthophyceae (yellow-green algae) and is not a commonly known or identified photobiont partner in lichen formation. - Lichens are symbioses between fungi and photosynthetic organisms (algae or cyanobacteria). - Nostoc and Stigonema are cyanobacteria known to form lichen associations. - Trentepohlia is a green alga known to form lichen associations. - Vaucheria is a yellow-green alga not typically found as a lichen photobiont.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-algae-is-not-known-identified-partner-to\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-algae-is-not-known-identified-partner-to\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-algae-is-not-known-identified-partner-to\/#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":"Which one of the following &#8216;algae&#8217; is not known identified partner to"}]},{"@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\/87044","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=87044"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/87044\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=87044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=87044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=87044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}