{"id":91237,"date":"2025-06-01T10:50:39","date_gmt":"2025-06-01T10:50:39","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=91237"},"modified":"2025-06-01T10:50:39","modified_gmt":"2025-06-01T10:50:39","slug":"there-is-some-concern-regarding-the-nanoparticles-of-some-chemical-ele","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/there-is-some-concern-regarding-the-nanoparticles-of-some-chemical-ele\/","title":{"rendered":"There is some concern regarding the nanoparticles of some chemical ele"},"content":{"rendered":"<p>There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why?<\/p>\n<ul>\n<li>They can accumulate in the environment, and contaminate water and soil.<\/li>\n<li>They can enter the food chains.<\/li>\n<li>They can trigger the production of free radicals.<\/li>\n<\/ul>\n<p>Select the correct answer using the code given below.<\/p>\n<p>[amp_mcq option1=&#8221;1 and 2 only&#8221; option2=&#8221;3 only&#8221; option3=&#8221;1 and 3 only&#8221; option4=&#8221;1, 2 and 3&#8243; 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 IAS &#8211; 2014<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-ias-2014.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-ias-2014\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nAll three statements express valid concerns regarding the use and potential environmental and health impacts of nanoparticles. Their small size allows them to easily interact with biological systems and the environment in ways that larger particles do not.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nStatement 1 is correct. Due to their extremely small size and high surface area, nanoparticles are highly mobile and can persist and accumulate in various environmental compartments like water and soil, leading to contamination.<br \/>\nStatement 2 is correct. Nanoparticles can be taken up by organisms (plants, animals, microorganisms) from contaminated environments and can then transfer through trophic levels, entering the food chain.<br \/>\nStatement 3 is correct. Many types of nanoparticles, particularly metal and metal oxide nanoparticles, have been shown to trigger the production of reactive oxygen species (ROS) or free radicals in biological systems. This can cause oxidative stress, leading to cell damage, inflammation, and potentially other adverse health effects.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nNanoparticles are increasingly used in various industrial products (cosmetics, paints, electronics, textiles, medicine, etc.). While nanotechnology offers significant benefits, the potential risks associated with the environmental fate, persistence, and toxicity of engineered nanoparticles are subjects of ongoing research and regulatory concern.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why? They can accumulate in the environment, and contaminate water and soil. They can enter the food chains. They can trigger the production of free radicals. Select the correct answer using the &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"There is some concern regarding the nanoparticles of some chemical ele\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/there-is-some-concern-regarding-the-nanoparticles-of-some-chemical-ele\/#more-91237\">Detailed Solution<span class=\"screen-reader-text\">There is some concern regarding the nanoparticles of some chemical ele<\/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":[1092],"tags":[1468,1136,1137],"class_list":["post-91237","post","type-post","status-publish","format-standard","hentry","category-upsc-ias","tag-1468","tag-environment-and-ecology","tag-pollution","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>There is some concern regarding the nanoparticles of some chemical ele<\/title>\n<meta name=\"description\" content=\"All three statements express valid concerns regarding the use and potential environmental and health impacts of nanoparticles. Their small size allows them to easily interact with biological systems and the environment in ways that larger particles do not. Statement 1 is correct. Due to their extremely small size and high surface area, nanoparticles are highly mobile and can persist and accumulate in various environmental compartments like water and soil, leading to contamination. Statement 2 is correct. Nanoparticles can be taken up by organisms (plants, animals, microorganisms) from contaminated environments and can then transfer through trophic levels, entering the food chain. Statement 3 is correct. Many types of nanoparticles, particularly metal and metal oxide nanoparticles, have been shown to trigger the production of reactive oxygen species (ROS) or free radicals in biological systems. This can cause oxidative stress, leading to cell damage, inflammation, and potentially other adverse health effects.\" \/>\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\/there-is-some-concern-regarding-the-nanoparticles-of-some-chemical-ele\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"There is some concern regarding the nanoparticles of some chemical ele\" \/>\n<meta property=\"og:description\" content=\"All three statements express valid concerns regarding the use and potential environmental and health impacts of nanoparticles. Their small size allows them to easily interact with biological systems and the environment in ways that larger particles do not. Statement 1 is correct. Due to their extremely small size and high surface area, nanoparticles are highly mobile and can persist and accumulate in various environmental compartments like water and soil, leading to contamination. Statement 2 is correct. Nanoparticles can be taken up by organisms (plants, animals, microorganisms) from contaminated environments and can then transfer through trophic levels, entering the food chain. Statement 3 is correct. Many types of nanoparticles, particularly metal and metal oxide nanoparticles, have been shown to trigger the production of reactive oxygen species (ROS) or free radicals in biological systems. This can cause oxidative stress, leading to cell damage, inflammation, and potentially other adverse health effects.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/there-is-some-concern-regarding-the-nanoparticles-of-some-chemical-ele\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T10:50:39+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":"There is some concern regarding the nanoparticles of some chemical ele","description":"All three statements express valid concerns regarding the use and potential environmental and health impacts of nanoparticles. Their small size allows them to easily interact with biological systems and the environment in ways that larger particles do not. Statement 1 is correct. Due to their extremely small size and high surface area, nanoparticles are highly mobile and can persist and accumulate in various environmental compartments like water and soil, leading to contamination. Statement 2 is correct. Nanoparticles can be taken up by organisms (plants, animals, microorganisms) from contaminated environments and can then transfer through trophic levels, entering the food chain. Statement 3 is correct. Many types of nanoparticles, particularly metal and metal oxide nanoparticles, have been shown to trigger the production of reactive oxygen species (ROS) or free radicals in biological systems. This can cause oxidative stress, leading to cell damage, inflammation, and potentially other adverse health effects.","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\/there-is-some-concern-regarding-the-nanoparticles-of-some-chemical-ele\/","og_locale":"en_US","og_type":"article","og_title":"There is some concern regarding the nanoparticles of some chemical ele","og_description":"All three statements express valid concerns regarding the use and potential environmental and health impacts of nanoparticles. Their small size allows them to easily interact with biological systems and the environment in ways that larger particles do not. Statement 1 is correct. Due to their extremely small size and high surface area, nanoparticles are highly mobile and can persist and accumulate in various environmental compartments like water and soil, leading to contamination. Statement 2 is correct. Nanoparticles can be taken up by organisms (plants, animals, microorganisms) from contaminated environments and can then transfer through trophic levels, entering the food chain. Statement 3 is correct. Many types of nanoparticles, particularly metal and metal oxide nanoparticles, have been shown to trigger the production of reactive oxygen species (ROS) or free radicals in biological systems. This can cause oxidative stress, leading to cell damage, inflammation, and potentially other adverse health effects.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/there-is-some-concern-regarding-the-nanoparticles-of-some-chemical-ele\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T10:50:39+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\/there-is-some-concern-regarding-the-nanoparticles-of-some-chemical-ele\/","url":"https:\/\/exam.pscnotes.com\/mcq\/there-is-some-concern-regarding-the-nanoparticles-of-some-chemical-ele\/","name":"There is some concern regarding the nanoparticles of some chemical ele","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T10:50:39+00:00","dateModified":"2025-06-01T10:50:39+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"All three statements express valid concerns regarding the use and potential environmental and health impacts of nanoparticles. Their small size allows them to easily interact with biological systems and the environment in ways that larger particles do not. Statement 1 is correct. Due to their extremely small size and high surface area, nanoparticles are highly mobile and can persist and accumulate in various environmental compartments like water and soil, leading to contamination. Statement 2 is correct. Nanoparticles can be taken up by organisms (plants, animals, microorganisms) from contaminated environments and can then transfer through trophic levels, entering the food chain. Statement 3 is correct. Many types of nanoparticles, particularly metal and metal oxide nanoparticles, have been shown to trigger the production of reactive oxygen species (ROS) or free radicals in biological systems. This can cause oxidative stress, leading to cell damage, inflammation, and potentially other adverse health effects.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/there-is-some-concern-regarding-the-nanoparticles-of-some-chemical-ele\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/there-is-some-concern-regarding-the-nanoparticles-of-some-chemical-ele\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/there-is-some-concern-regarding-the-nanoparticles-of-some-chemical-ele\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC IAS","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-ias\/"},{"@type":"ListItem","position":3,"name":"There is some concern regarding the nanoparticles of some chemical ele"}]},{"@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\/91237","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=91237"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/91237\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=91237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=91237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=91237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}