{"id":88195,"date":"2025-06-01T07:04:23","date_gmt":"2025-06-01T07:04:23","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=88195"},"modified":"2025-06-01T07:04:23","modified_gmt":"2025-06-01T07:04:23","slug":"which-one-of-the-following-statements-is-not-correct-34","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-statements-is-not-correct-34\/","title":{"rendered":"Which one of the following statements is not correct?"},"content":{"rendered":"

Which one of the following statements is not correct?<\/p>\n

[amp_mcq option1=”Application of lime makes the soil acidic.” option2=”High acidity in soil is typical of humid climate.” option3=”Increasing soil acidity results in declining soil fertility.” option4=”Arid climate is characterized by alkaline soil.” correct=”option1″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-2 – 2015<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nLet’s analyze each statement about soil acidity:
\nA) Application of lime (usually calcium carbonate, CaCO\u2083, or calcium oxide, CaO, which reacts with water to form calcium hydroxide, Ca(OH)\u2082) is a common agricultural practice used to *reduce* soil acidity and increase pH, making the soil more alkaline or neutral. Therefore, applying lime does not make the soil acidic; it makes it less acidic. This statement is not correct.
\n<\/section>\n
\nLime is applied to soil to neutralize acidity (increase pH), not to make it acidic.
\n<\/section>\n
\nB) High acidity in soil is typical of humid climates where high rainfall leads to leaching of basic cations (Ca\u00b2\u207a, Mg\u00b2\u207a, K\u207a, Na\u207a) from the topsoil, leaving behind acidic ions like H\u207a and Al\u00b3\u207a.
\nC) Increasing soil acidity can lead to declining soil fertility because essential plant nutrients (like phosphorus) become less available, and potentially toxic elements (like aluminum and manganese) become more soluble and available at low pH levels.
\nD) Arid climates are characterized by low rainfall, which limits the leaching of basic cations. Evaporation can also bring dissolved salts to the surface, often resulting in the accumulation of carbonates and other salts that contribute to alkalinity. Hence, arid soils are often alkaline or saline.
\nSince the question asks for the statement that is *not* correct, option A is the answer.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one of the following statements is not correct? [amp_mcq option1=”Application of lime makes the soil acidic.” option2=”High acidity in soil is typical of humid climate.” option3=”Increasing soil acidity results in declining soil fertility.” option4=”Arid climate is characterized by alkaline soil.” correct=”option1″] This question was previously asked in UPSC NDA-2 – 2015 Download PDFAttempt Online … <\/p>\n

Detailed SolutionWhich one of the following statements is not correct?<\/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":[1094],"tags":[1443,1219,1106],"class_list":["post-88195","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-2","tag-1443","tag-the-soil","tag-world-and-physical-geography","no-featured-image-padding"],"yoast_head":"\nWhich one of the following statements is not correct?<\/title>\n<meta name=\"description\" content=\"Let's analyze each statement about soil acidity: A) Application of lime (usually calcium carbonate, CaCO\u2083, or calcium oxide, CaO, which reacts with water to form calcium hydroxide, Ca(OH)\u2082) is a common agricultural practice used to *reduce* soil acidity and increase pH, making the soil more alkaline or neutral. Therefore, applying lime does not make the soil acidic; it makes it less acidic. This statement is not correct. Lime is applied to soil to neutralize acidity (increase pH), not to make it acidic.\" \/>\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-one-of-the-following-statements-is-not-correct-34\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which one of the following statements is not correct?\" \/>\n<meta property=\"og:description\" content=\"Let's analyze each statement about soil acidity: A) Application of lime (usually calcium carbonate, CaCO\u2083, or calcium oxide, CaO, which reacts with water to form calcium hydroxide, Ca(OH)\u2082) is a common agricultural practice used to *reduce* soil acidity and increase pH, making the soil more alkaline or neutral. Therefore, applying lime does not make the soil acidic; it makes it less acidic. This statement is not correct. Lime is applied to soil to neutralize acidity (increase pH), not to make it acidic.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-statements-is-not-correct-34\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T07:04:23+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 one of the following statements is not correct?","description":"Let's analyze each statement about soil acidity: A) Application of lime (usually calcium carbonate, CaCO\u2083, or calcium oxide, CaO, which reacts with water to form calcium hydroxide, Ca(OH)\u2082) is a common agricultural practice used to *reduce* soil acidity and increase pH, making the soil more alkaline or neutral. Therefore, applying lime does not make the soil acidic; it makes it less acidic. This statement is not correct. Lime is applied to soil to neutralize acidity (increase pH), not to make it acidic.","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-one-of-the-following-statements-is-not-correct-34\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following statements is not correct?","og_description":"Let's analyze each statement about soil acidity: A) Application of lime (usually calcium carbonate, CaCO\u2083, or calcium oxide, CaO, which reacts with water to form calcium hydroxide, Ca(OH)\u2082) is a common agricultural practice used to *reduce* soil acidity and increase pH, making the soil more alkaline or neutral. Therefore, applying lime does not make the soil acidic; it makes it less acidic. This statement is not correct. Lime is applied to soil to neutralize acidity (increase pH), not to make it acidic.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-statements-is-not-correct-34\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T07:04:23+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-one-of-the-following-statements-is-not-correct-34\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-statements-is-not-correct-34\/","name":"Which one of the following statements is not correct?","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T07:04:23+00:00","dateModified":"2025-06-01T07:04:23+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Let's analyze each statement about soil acidity: A) Application of lime (usually calcium carbonate, CaCO\u2083, or calcium oxide, CaO, which reacts with water to form calcium hydroxide, Ca(OH)\u2082) is a common agricultural practice used to *reduce* soil acidity and increase pH, making the soil more alkaline or neutral. Therefore, applying lime does not make the soil acidic; it makes it less acidic. This statement is not correct. Lime is applied to soil to neutralize acidity (increase pH), not to make it acidic.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-statements-is-not-correct-34\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-statements-is-not-correct-34\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-statements-is-not-correct-34\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC NDA-2","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-nda-2\/"},{"@type":"ListItem","position":3,"name":"Which one of the following statements is not correct?"}]},{"@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\/88195","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=88195"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/88195\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=88195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=88195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=88195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}