{"id":89163,"date":"2025-06-01T09:57:16","date_gmt":"2025-06-01T09:57:16","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=89163"},"modified":"2025-06-01T09:57:16","modified_gmt":"2025-06-01T09:57:16","slug":"in-some-parts-of-india-consumption-of-underground-water-causes-mottle","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-some-parts-of-india-consumption-of-underground-water-causes-mottle\/","title":{"rendered":"In some parts of India, consumption of underground water causes mottle"},"content":{"rendered":"<p>In some parts of India, consumption of underground water causes mottled teeth and bone damage. Which one of the following is responsible for this malady ?<\/p>\n<p>[amp_mcq option1=&#8221;Fluoride ion&#8221; option2=&#8221;Chloride ion&#8221; option3=&#8221;Oxide ion&#8221; option4=&#8221;Carbonate ion&#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 CAPF &#8211; 2009<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-capf-2009.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-capf-2009\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nFluoride ion is responsible for mottled teeth and bone damage caused by consuming contaminated underground water in some parts of India.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nExcessive intake of fluoride, primarily through drinking water, leads to a condition called fluorosis. Dental fluorosis causes discoloration and mottling of tooth enamel, especially during tooth development. Skeletal fluorosis affects bones, causing joint pain, stiffness, and in severe cases, crippling deformities. Many areas in India have groundwater naturally high in fluoride.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nWhile fluoride is essential for strengthening teeth enamel in appropriate amounts, its excess can be harmful. Chloride, Oxide, and Carbonate ions are common in water but are not the primary cause of mottled teeth and bone damage in the way that excess fluoride is.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>In some parts of India, consumption of underground water causes mottled teeth and bone damage. Which one of the following is responsible for this malady ? [amp_mcq option1=&#8221;Fluoride ion&#8221; option2=&#8221;Chloride ion&#8221; option3=&#8221;Oxide ion&#8221; option4=&#8221;Carbonate ion&#8221; correct=&#8221;option1&#8243;] This question was previously asked in UPSC CAPF &#8211; 2009 Download PDFAttempt Online Fluoride ion is responsible for mottled &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"In some parts of India, consumption of underground water causes mottle\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/in-some-parts-of-india-consumption-of-underground-water-causes-mottle\/#more-89163\">Detailed Solution<span class=\"screen-reader-text\">In some parts of India, consumption of underground water causes mottle<\/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":[1085],"tags":[1462,1096,1245],"class_list":["post-89163","post","type-post","status-publish","format-standard","hentry","category-upsc-capf","tag-1462","tag-chemistry","tag-sulphur-nitrogen-halogen-inert-gases","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>In some parts of India, consumption of underground water causes mottle<\/title>\n<meta name=\"description\" content=\"Fluoride ion is responsible for mottled teeth and bone damage caused by consuming contaminated underground water in some parts of India. Excessive intake of fluoride, primarily through drinking water, leads to a condition called fluorosis. Dental fluorosis causes discoloration and mottling of tooth enamel, especially during tooth development. Skeletal fluorosis affects bones, causing joint pain, stiffness, and in severe cases, crippling deformities. Many areas in India have groundwater naturally high in fluoride.\" \/>\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\/in-some-parts-of-india-consumption-of-underground-water-causes-mottle\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"In some parts of India, consumption of underground water causes mottle\" \/>\n<meta property=\"og:description\" content=\"Fluoride ion is responsible for mottled teeth and bone damage caused by consuming contaminated underground water in some parts of India. Excessive intake of fluoride, primarily through drinking water, leads to a condition called fluorosis. Dental fluorosis causes discoloration and mottling of tooth enamel, especially during tooth development. Skeletal fluorosis affects bones, causing joint pain, stiffness, and in severe cases, crippling deformities. Many areas in India have groundwater naturally high in fluoride.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/in-some-parts-of-india-consumption-of-underground-water-causes-mottle\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T09:57:16+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":"In some parts of India, consumption of underground water causes mottle","description":"Fluoride ion is responsible for mottled teeth and bone damage caused by consuming contaminated underground water in some parts of India. Excessive intake of fluoride, primarily through drinking water, leads to a condition called fluorosis. Dental fluorosis causes discoloration and mottling of tooth enamel, especially during tooth development. Skeletal fluorosis affects bones, causing joint pain, stiffness, and in severe cases, crippling deformities. Many areas in India have groundwater naturally high in fluoride.","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\/in-some-parts-of-india-consumption-of-underground-water-causes-mottle\/","og_locale":"en_US","og_type":"article","og_title":"In some parts of India, consumption of underground water causes mottle","og_description":"Fluoride ion is responsible for mottled teeth and bone damage caused by consuming contaminated underground water in some parts of India. Excessive intake of fluoride, primarily through drinking water, leads to a condition called fluorosis. Dental fluorosis causes discoloration and mottling of tooth enamel, especially during tooth development. Skeletal fluorosis affects bones, causing joint pain, stiffness, and in severe cases, crippling deformities. Many areas in India have groundwater naturally high in fluoride.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/in-some-parts-of-india-consumption-of-underground-water-causes-mottle\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T09:57:16+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\/in-some-parts-of-india-consumption-of-underground-water-causes-mottle\/","url":"https:\/\/exam.pscnotes.com\/mcq\/in-some-parts-of-india-consumption-of-underground-water-causes-mottle\/","name":"In some parts of India, consumption of underground water causes mottle","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T09:57:16+00:00","dateModified":"2025-06-01T09:57:16+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Fluoride ion is responsible for mottled teeth and bone damage caused by consuming contaminated underground water in some parts of India. Excessive intake of fluoride, primarily through drinking water, leads to a condition called fluorosis. Dental fluorosis causes discoloration and mottling of tooth enamel, especially during tooth development. Skeletal fluorosis affects bones, causing joint pain, stiffness, and in severe cases, crippling deformities. Many areas in India have groundwater naturally high in fluoride.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/in-some-parts-of-india-consumption-of-underground-water-causes-mottle\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/in-some-parts-of-india-consumption-of-underground-water-causes-mottle\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/in-some-parts-of-india-consumption-of-underground-water-causes-mottle\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CAPF","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-capf\/"},{"@type":"ListItem","position":3,"name":"In some parts of India, consumption of underground water causes mottle"}]},{"@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\/89163","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=89163"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/89163\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=89163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=89163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=89163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}