{"id":85486,"date":"2025-06-01T03:18:39","date_gmt":"2025-06-01T03:18:39","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=85486"},"modified":"2025-06-01T03:18:39","modified_gmt":"2025-06-01T03:18:39","slug":"methanol-is-toxic-because","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/methanol-is-toxic-because\/","title":{"rendered":"Methanol is toxic because"},"content":{"rendered":"<p>Methanol is toxic because<\/p>\n<p>[amp_mcq option1=&#8221;methanol coagulates the protoplasm&#8221; option2=&#8221;methanol gets oxidised to methanal in liver which coagulates the protoplasm&#8221; option3=&#8221;methanol gets oxidised to acetic acid in liver which coagulates the protoplasm&#8221; option4=&#8221;methanol gets oxidised to CO in liver which coagulates the protoplasm&#8221; correct=&#8221;option2&#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 CDS-1 &#8211; 2024<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-cds-1-2024.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-cds-1-2024\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">Methanol is toxic because it is metabolized into highly toxic substances in the body.<\/section>\n<section id=\"pyq-key-points\">In the liver, methanol is oxidized by the enzyme alcohol dehydrogenase primarily into formaldehyde, which is also known as methanal. Formaldehyde is a potent toxin that can damage tissues, including causing the denaturation and coagulation of proteins, which is akin to coagulating protoplasm. Formaldehyde is further oxidized to formic acid, which contributes to metabolic acidosis.<\/section>\n<section id=\"pyq-additional-information\">The accumulation of formaldehyde and formic acid leads to the severe symptoms of methanol poisoning, including visual impairment (blindness), neurological damage, and potentially death.<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Methanol is toxic because [amp_mcq option1=&#8221;methanol coagulates the protoplasm&#8221; option2=&#8221;methanol gets oxidised to methanal in liver which coagulates the protoplasm&#8221; option3=&#8221;methanol gets oxidised to acetic acid in liver which coagulates the protoplasm&#8221; option4=&#8221;methanol gets oxidised to CO in liver which coagulates the protoplasm&#8221; correct=&#8221;option2&#8243;] This question was previously asked in UPSC CDS-1 &#8211; 2024 Download &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Methanol is toxic because\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/methanol-is-toxic-because\/#more-85486\">Detailed Solution<span class=\"screen-reader-text\">Methanol is toxic because<\/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":[1087],"tags":[1103,1117,1237],"class_list":["post-85486","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-1","tag-1103","tag-biology","tag-human-anatomy-and-physiology","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>Methanol is toxic because<\/title>\n<meta name=\"description\" content=\"Methanol is toxic because it is metabolized into highly toxic substances in the body. In the liver, methanol is oxidized by the enzyme alcohol dehydrogenase primarily into formaldehyde, which is also known as methanal. Formaldehyde is a potent toxin that can damage tissues, including causing the denaturation and coagulation of proteins, which is akin to coagulating protoplasm. Formaldehyde is further oxidized to formic acid, which contributes to metabolic acidosis.\" \/>\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\/methanol-is-toxic-because\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Methanol is toxic because\" \/>\n<meta property=\"og:description\" content=\"Methanol is toxic because it is metabolized into highly toxic substances in the body. In the liver, methanol is oxidized by the enzyme alcohol dehydrogenase primarily into formaldehyde, which is also known as methanal. Formaldehyde is a potent toxin that can damage tissues, including causing the denaturation and coagulation of proteins, which is akin to coagulating protoplasm. Formaldehyde is further oxidized to formic acid, which contributes to metabolic acidosis.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/methanol-is-toxic-because\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T03:18:39+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=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Methanol is toxic because","description":"Methanol is toxic because it is metabolized into highly toxic substances in the body. In the liver, methanol is oxidized by the enzyme alcohol dehydrogenase primarily into formaldehyde, which is also known as methanal. Formaldehyde is a potent toxin that can damage tissues, including causing the denaturation and coagulation of proteins, which is akin to coagulating protoplasm. Formaldehyde is further oxidized to formic acid, which contributes to metabolic acidosis.","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\/methanol-is-toxic-because\/","og_locale":"en_US","og_type":"article","og_title":"Methanol is toxic because","og_description":"Methanol is toxic because it is metabolized into highly toxic substances in the body. In the liver, methanol is oxidized by the enzyme alcohol dehydrogenase primarily into formaldehyde, which is also known as methanal. Formaldehyde is a potent toxin that can damage tissues, including causing the denaturation and coagulation of proteins, which is akin to coagulating protoplasm. Formaldehyde is further oxidized to formic acid, which contributes to metabolic acidosis.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/methanol-is-toxic-because\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T03:18:39+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\/methanol-is-toxic-because\/","url":"https:\/\/exam.pscnotes.com\/mcq\/methanol-is-toxic-because\/","name":"Methanol is toxic because","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T03:18:39+00:00","dateModified":"2025-06-01T03:18:39+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Methanol is toxic because it is metabolized into highly toxic substances in the body. In the liver, methanol is oxidized by the enzyme alcohol dehydrogenase primarily into formaldehyde, which is also known as methanal. Formaldehyde is a potent toxin that can damage tissues, including causing the denaturation and coagulation of proteins, which is akin to coagulating protoplasm. Formaldehyde is further oxidized to formic acid, which contributes to metabolic acidosis.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/methanol-is-toxic-because\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/methanol-is-toxic-because\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/methanol-is-toxic-because\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CDS-1","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-cds-1\/"},{"@type":"ListItem","position":3,"name":"Methanol is toxic because"}]},{"@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\/85486","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=85486"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/85486\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=85486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=85486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=85486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}