{"id":87135,"date":"2025-06-01T04:29:54","date_gmt":"2025-06-01T04:29:54","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87135"},"modified":"2025-06-01T04:29:54","modified_gmt":"2025-06-01T04:29:54","slug":"which-of-the-following-statements-about-photochemical-smog-is-are-corr","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-about-photochemical-smog-is-are-corr\/","title":{"rendered":"Which of the following statements about Photochemical Smog is\/are corr"},"content":{"rendered":"<p>Which of the following statements about Photochemical Smog is\/are correct ?<\/p>\n<ul>\n<li>1. It irritates the eyes.<\/li>\n<li>2. It leads to cracking of rubber.<\/li>\n<li>3. It causes considerable damage to plant life.<\/li>\n<\/ul>\n<p>Select the answer using the code given below :<\/p>\n<p>[amp_mcq option1=&#8221;1, 2 and 3&#8243; option2=&#8221;2 and 3 only&#8221; option3=&#8221;1 and 2 only&#8221; option4=&#8221;3 only&#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 Geoscientist &#8211; 2024<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-geoscientist-2024.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-geoscientist-2024\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nPhotochemical smog is a type of air pollution that forms when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere. It is a complex mixture containing various pollutants, including ozone (O\u2083), peroxyacetyl nitrates (PANs), nitrogen dioxide (NO\u2082), and aldehydes.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nStatement 1: Ozone and PANs are known irritants that affect the eyes and respiratory system.<br \/>\nStatement 2: Ozone is a strong oxidant that can cause the cracking and degradation of rubber and plastics.<br \/>\nStatement 3: Ozone and PANs are toxic to plants, damaging leaves, reducing growth, and affecting crop yields.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nPhotochemical smog is distinct from classical smog (sulfurous smog), which is primarily caused by sulfur dioxide and particulate matter from burning coal. It is typically associated with urban areas with high vehicular traffic and warm, sunny conditions.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following statements about Photochemical Smog is\/are correct ? 1. It irritates the eyes. 2. It leads to cracking of rubber. 3. It causes considerable damage to plant life. Select the answer using the code given below : [amp_mcq option1=&#8221;1, 2 and 3&#8243; option2=&#8221;2 and 3 only&#8221; option3=&#8221;1 and 2 only&#8221; option4=&#8221;3 only&#8221; &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which of the following statements about Photochemical Smog is\/are corr\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-about-photochemical-smog-is-are-corr\/#more-87135\">Detailed Solution<span class=\"screen-reader-text\">Which of the following statements about Photochemical Smog is\/are corr<\/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":[1103,1136,1137],"class_list":["post-87135","post","type-post","status-publish","format-standard","hentry","category-upsc-geoscientist","tag-1103","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>Which of the following statements about Photochemical Smog is\/are corr<\/title>\n<meta name=\"description\" content=\"Photochemical smog is a type of air pollution that forms when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere. It is a complex mixture containing various pollutants, including ozone (O\u2083), peroxyacetyl nitrates (PANs), nitrogen dioxide (NO\u2082), and aldehydes. Statement 1: Ozone and PANs are known irritants that affect the eyes and respiratory system. Statement 2: Ozone is a strong oxidant that can cause the cracking and degradation of rubber and plastics. Statement 3: Ozone and PANs are toxic to plants, damaging leaves, reducing growth, and affecting crop yields.\" \/>\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-of-the-following-statements-about-photochemical-smog-is-are-corr\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which of the following statements about Photochemical Smog is\/are corr\" \/>\n<meta property=\"og:description\" content=\"Photochemical smog is a type of air pollution that forms when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere. It is a complex mixture containing various pollutants, including ozone (O\u2083), peroxyacetyl nitrates (PANs), nitrogen dioxide (NO\u2082), and aldehydes. Statement 1: Ozone and PANs are known irritants that affect the eyes and respiratory system. Statement 2: Ozone is a strong oxidant that can cause the cracking and degradation of rubber and plastics. Statement 3: Ozone and PANs are toxic to plants, damaging leaves, reducing growth, and affecting crop yields.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-about-photochemical-smog-is-are-corr\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T04:29:54+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 of the following statements about Photochemical Smog is\/are corr","description":"Photochemical smog is a type of air pollution that forms when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere. It is a complex mixture containing various pollutants, including ozone (O\u2083), peroxyacetyl nitrates (PANs), nitrogen dioxide (NO\u2082), and aldehydes. Statement 1: Ozone and PANs are known irritants that affect the eyes and respiratory system. Statement 2: Ozone is a strong oxidant that can cause the cracking and degradation of rubber and plastics. Statement 3: Ozone and PANs are toxic to plants, damaging leaves, reducing growth, and affecting crop yields.","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-of-the-following-statements-about-photochemical-smog-is-are-corr\/","og_locale":"en_US","og_type":"article","og_title":"Which of the following statements about Photochemical Smog is\/are corr","og_description":"Photochemical smog is a type of air pollution that forms when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere. It is a complex mixture containing various pollutants, including ozone (O\u2083), peroxyacetyl nitrates (PANs), nitrogen dioxide (NO\u2082), and aldehydes. Statement 1: Ozone and PANs are known irritants that affect the eyes and respiratory system. Statement 2: Ozone is a strong oxidant that can cause the cracking and degradation of rubber and plastics. Statement 3: Ozone and PANs are toxic to plants, damaging leaves, reducing growth, and affecting crop yields.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-about-photochemical-smog-is-are-corr\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T04:29:54+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-of-the-following-statements-about-photochemical-smog-is-are-corr\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-about-photochemical-smog-is-are-corr\/","name":"Which of the following statements about Photochemical Smog is\/are corr","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T04:29:54+00:00","dateModified":"2025-06-01T04:29:54+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Photochemical smog is a type of air pollution that forms when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere. It is a complex mixture containing various pollutants, including ozone (O\u2083), peroxyacetyl nitrates (PANs), nitrogen dioxide (NO\u2082), and aldehydes. Statement 1: Ozone and PANs are known irritants that affect the eyes and respiratory system. Statement 2: Ozone is a strong oxidant that can cause the cracking and degradation of rubber and plastics. Statement 3: Ozone and PANs are toxic to plants, damaging leaves, reducing growth, and affecting crop yields.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-about-photochemical-smog-is-are-corr\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-about-photochemical-smog-is-are-corr\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-about-photochemical-smog-is-are-corr\/#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 of the following statements about Photochemical Smog is\/are corr"}]},{"@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\/87135","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=87135"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/87135\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=87135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=87135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=87135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}