{"id":86925,"date":"2025-06-01T04:23:39","date_gmt":"2025-06-01T04:23:39","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=86925"},"modified":"2025-06-01T04:23:39","modified_gmt":"2025-06-01T04:23:39","slug":"when-two-species-can-very-well-ignore-each-other-totally-each-remaini","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/when-two-species-can-very-well-ignore-each-other-totally-each-remaini\/","title":{"rendered":"When two species can very well ignore each other totally, each remaini"},"content":{"rendered":"<p>When two species can very well ignore each other totally, each remaining perfectly neutral and causing no advantage or inconvenience to its neighbour, the relationship is termed as<\/p>\n<p>[amp_mcq option1=&#8221;commensalism&#8221; option2=&#8221;amensalism&#8221; option3=&#8221;symbiosis&#8221; option4=&#8221;mutualism&#8221; correct=&#8221;option3&#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; 2022<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-geoscientist-2022.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-geoscientist-2022\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe description &#8220;When two species can very well ignore each other totally, each remaining perfectly neutral and causing no advantage or inconvenience to its neighbour&#8221; precisely defines the ecological relationship known as **Neutralism (0\/0)**. However, Neutralism is not provided as an option. Among the given choices, Symbiosis is a broad term referring to a close and long-term interaction between two different biological organisms. While modern ecological definitions of symbiosis typically include interactions that have a defined effect on at least one partner (mutualism +\/+, commensalism +\/0, parasitism +\/-), the word &#8216;symbiosis&#8217; literally means &#8220;living together&#8221;. In a very broad, potentially outdated or simplified interpretation, it could be argued that species co-existing neutrally are still &#8220;living together&#8221;. Given that none of the specific interaction types (commensalism, amensalism, mutualism) fit the description of neutrality, and Symbiosis is the only option that refers to species sharing space, it is the most likely intended answer, despite the ecological inaccuracy of classifying neutralism as a type of symbiosis in modern terminology.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n&#8211; The described relationship (0\/0 effect) is called Neutralism.<br \/>\n&#8211; Neutralism is not listed as an option.<br \/>\n&#8211; Commensalism (+\/0), Amensalism (0\/-), and Mutualism (+\/+) describe specific interactive effects, none of which are neutral for both parties.<br \/>\n&#8211; Symbiosis refers to a close and long-term relationship of &#8220;living together&#8221;.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nEcological interactions are typically classified based on the effect on each species: Positive (+), Negative (-), or Neutral (0). Neutralism (0\/0) is the state where two species have no detectable effect on each other. While technically distinct from symbiotic interactions (which imply a close relationship with effect), Symbiosis is sometimes used in a very general sense to mean cohabitation. If this question is based on such a general interpretation, Symbiosis would be the intended answer despite the lack of fit with the specific description of neutrality.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>When two species can very well ignore each other totally, each remaining perfectly neutral and causing no advantage or inconvenience to its neighbour, the relationship is termed as [amp_mcq option1=&#8221;commensalism&#8221; option2=&#8221;amensalism&#8221; option3=&#8221;symbiosis&#8221; option4=&#8221;mutualism&#8221; correct=&#8221;option3&#8243;] This question was previously asked in UPSC Geoscientist &#8211; 2022 Download PDFAttempt Online The description &#8220;When two species can very well &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"When two species can very well ignore each other totally, each remaini\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/when-two-species-can-very-well-ignore-each-other-totally-each-remaini\/#more-86925\">Detailed Solution<span class=\"screen-reader-text\">When two species can very well ignore each other totally, each remaini<\/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":[1108,1367,1136],"class_list":["post-86925","post","type-post","status-publish","format-standard","hentry","category-upsc-geoscientist","tag-1108","tag-ecology","tag-environment-and-ecology","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>When two species can very well ignore each other totally, each remaini<\/title>\n<meta name=\"description\" content=\"The description &quot;When two species can very well ignore each other totally, each remaining perfectly neutral and causing no advantage or inconvenience to its neighbour&quot; precisely defines the ecological relationship known as **Neutralism (0\/0)**. However, Neutralism is not provided as an option. Among the given choices, Symbiosis is a broad term referring to a close and long-term interaction between two different biological organisms. While modern ecological definitions of symbiosis typically include interactions that have a defined effect on at least one partner (mutualism +\/+, commensalism +\/0, parasitism +\/-), the word &#039;symbiosis&#039; literally means &quot;living together&quot;. In a very broad, potentially outdated or simplified interpretation, it could be argued that species co-existing neutrally are still &quot;living together&quot;. Given that none of the specific interaction types (commensalism, amensalism, mutualism) fit the description of neutrality, and Symbiosis is the only option that refers to species sharing space, it is the most likely intended answer, despite the ecological inaccuracy of classifying neutralism as a type of symbiosis in modern terminology. - The described relationship (0\/0 effect) is called Neutralism. - Neutralism is not listed as an option. - Commensalism (+\/0), Amensalism (0\/-), and Mutualism (+\/+) describe specific interactive effects, none of which are neutral for both parties. - Symbiosis refers to a close and long-term relationship of &quot;living together&quot;.\" \/>\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\/when-two-species-can-very-well-ignore-each-other-totally-each-remaini\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"When two species can very well ignore each other totally, each remaini\" \/>\n<meta property=\"og:description\" content=\"The description &quot;When two species can very well ignore each other totally, each remaining perfectly neutral and causing no advantage or inconvenience to its neighbour&quot; precisely defines the ecological relationship known as **Neutralism (0\/0)**. However, Neutralism is not provided as an option. Among the given choices, Symbiosis is a broad term referring to a close and long-term interaction between two different biological organisms. While modern ecological definitions of symbiosis typically include interactions that have a defined effect on at least one partner (mutualism +\/+, commensalism +\/0, parasitism +\/-), the word &#039;symbiosis&#039; literally means &quot;living together&quot;. In a very broad, potentially outdated or simplified interpretation, it could be argued that species co-existing neutrally are still &quot;living together&quot;. Given that none of the specific interaction types (commensalism, amensalism, mutualism) fit the description of neutrality, and Symbiosis is the only option that refers to species sharing space, it is the most likely intended answer, despite the ecological inaccuracy of classifying neutralism as a type of symbiosis in modern terminology. - The described relationship (0\/0 effect) is called Neutralism. - Neutralism is not listed as an option. - Commensalism (+\/0), Amensalism (0\/-), and Mutualism (+\/+) describe specific interactive effects, none of which are neutral for both parties. - Symbiosis refers to a close and long-term relationship of &quot;living together&quot;.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/when-two-species-can-very-well-ignore-each-other-totally-each-remaini\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T04:23:39+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=\"2 minutes\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"When two species can very well ignore each other totally, each remaini","description":"The description \"When two species can very well ignore each other totally, each remaining perfectly neutral and causing no advantage or inconvenience to its neighbour\" precisely defines the ecological relationship known as **Neutralism (0\/0)**. However, Neutralism is not provided as an option. Among the given choices, Symbiosis is a broad term referring to a close and long-term interaction between two different biological organisms. While modern ecological definitions of symbiosis typically include interactions that have a defined effect on at least one partner (mutualism +\/+, commensalism +\/0, parasitism +\/-), the word 'symbiosis' literally means \"living together\". In a very broad, potentially outdated or simplified interpretation, it could be argued that species co-existing neutrally are still \"living together\". Given that none of the specific interaction types (commensalism, amensalism, mutualism) fit the description of neutrality, and Symbiosis is the only option that refers to species sharing space, it is the most likely intended answer, despite the ecological inaccuracy of classifying neutralism as a type of symbiosis in modern terminology. - The described relationship (0\/0 effect) is called Neutralism. - Neutralism is not listed as an option. - Commensalism (+\/0), Amensalism (0\/-), and Mutualism (+\/+) describe specific interactive effects, none of which are neutral for both parties. - Symbiosis refers to a close and long-term relationship of \"living together\".","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\/when-two-species-can-very-well-ignore-each-other-totally-each-remaini\/","og_locale":"en_US","og_type":"article","og_title":"When two species can very well ignore each other totally, each remaini","og_description":"The description \"When two species can very well ignore each other totally, each remaining perfectly neutral and causing no advantage or inconvenience to its neighbour\" precisely defines the ecological relationship known as **Neutralism (0\/0)**. However, Neutralism is not provided as an option. Among the given choices, Symbiosis is a broad term referring to a close and long-term interaction between two different biological organisms. While modern ecological definitions of symbiosis typically include interactions that have a defined effect on at least one partner (mutualism +\/+, commensalism +\/0, parasitism +\/-), the word 'symbiosis' literally means \"living together\". In a very broad, potentially outdated or simplified interpretation, it could be argued that species co-existing neutrally are still \"living together\". Given that none of the specific interaction types (commensalism, amensalism, mutualism) fit the description of neutrality, and Symbiosis is the only option that refers to species sharing space, it is the most likely intended answer, despite the ecological inaccuracy of classifying neutralism as a type of symbiosis in modern terminology. - The described relationship (0\/0 effect) is called Neutralism. - Neutralism is not listed as an option. - Commensalism (+\/0), Amensalism (0\/-), and Mutualism (+\/+) describe specific interactive effects, none of which are neutral for both parties. - Symbiosis refers to a close and long-term relationship of \"living together\".","og_url":"https:\/\/exam.pscnotes.com\/mcq\/when-two-species-can-very-well-ignore-each-other-totally-each-remaini\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T04:23:39+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/when-two-species-can-very-well-ignore-each-other-totally-each-remaini\/","url":"https:\/\/exam.pscnotes.com\/mcq\/when-two-species-can-very-well-ignore-each-other-totally-each-remaini\/","name":"When two species can very well ignore each other totally, each remaini","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T04:23:39+00:00","dateModified":"2025-06-01T04:23:39+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The description \"When two species can very well ignore each other totally, each remaining perfectly neutral and causing no advantage or inconvenience to its neighbour\" precisely defines the ecological relationship known as **Neutralism (0\/0)**. However, Neutralism is not provided as an option. Among the given choices, Symbiosis is a broad term referring to a close and long-term interaction between two different biological organisms. While modern ecological definitions of symbiosis typically include interactions that have a defined effect on at least one partner (mutualism +\/+, commensalism +\/0, parasitism +\/-), the word 'symbiosis' literally means \"living together\". In a very broad, potentially outdated or simplified interpretation, it could be argued that species co-existing neutrally are still \"living together\". Given that none of the specific interaction types (commensalism, amensalism, mutualism) fit the description of neutrality, and Symbiosis is the only option that refers to species sharing space, it is the most likely intended answer, despite the ecological inaccuracy of classifying neutralism as a type of symbiosis in modern terminology. - The described relationship (0\/0 effect) is called Neutralism. - Neutralism is not listed as an option. - Commensalism (+\/0), Amensalism (0\/-), and Mutualism (+\/+) describe specific interactive effects, none of which are neutral for both parties. - Symbiosis refers to a close and long-term relationship of \"living together\".","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/when-two-species-can-very-well-ignore-each-other-totally-each-remaini\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/when-two-species-can-very-well-ignore-each-other-totally-each-remaini\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/when-two-species-can-very-well-ignore-each-other-totally-each-remaini\/#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":"When two species can very well ignore each other totally, each remaini"}]},{"@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\/86925","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=86925"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/86925\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=86925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=86925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=86925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}