{"id":88083,"date":"2025-06-01T07:01:12","date_gmt":"2025-06-01T07:01:12","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=88083"},"modified":"2025-06-01T07:01:12","modified_gmt":"2025-06-01T07:01:12","slug":"which-one-among-the-following-is-present-in-the-nettle-leaf-hairs-that","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-among-the-following-is-present-in-the-nettle-leaf-hairs-that\/","title":{"rendered":"Which one among the following is present in the nettle leaf hairs that"},"content":{"rendered":"

Which one among the following is present in the nettle leaf hairs that causes burning pain ?<\/p>\n

[amp_mcq option1=”Methanoic acid” option2=”Ethanoic acid” option3=”Benzoic acid” option4=”Acetic acid” correct=”option1″]<\/p>\n

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\n
This question was previously asked in<\/div>\n
UPSC NDA-1 – 2024<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
Methanoic acid is present in nettle leaf hairs and causes a burning pain.<\/section>\n
The stinging hairs (trichomes) of nettle plants contain several irritants, including histamine, acetylcholine, serotonin, and an acid. The primary acid responsible for the burning and stinging sensation is formic acid, also known by its IUPAC name, methanoic acid (HCOOH).<\/section>\n
Ethanoic acid is acetic acid (CH\u2083COOH), found in vinegar. Benzoic acid (C\u2086H\u2085COOH) is an aromatic carboxylic acid. While other chemicals contribute, methanoic acid is the key acidic component causing the initial sting.<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one among the following is present in the nettle leaf hairs that causes burning pain ? [amp_mcq option1=”Methanoic acid” option2=”Ethanoic acid” option3=”Benzoic acid” option4=”Acetic acid” correct=”option1″] This question was previously asked in UPSC NDA-1 – 2024 Download PDFAttempt Online Methanoic acid is present in nettle leaf hairs and causes a burning pain. The stinging … <\/p>\n

Detailed SolutionWhich one among the following is present in the nettle leaf hairs that<\/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":[1093],"tags":[1103,1096,1329],"class_list":["post-88083","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1103","tag-chemistry","tag-organic-acid","no-featured-image-padding"],"yoast_head":"\nWhich one among the following is present in the nettle leaf hairs that<\/title>\n<meta name=\"description\" content=\"Methanoic acid is present in nettle leaf hairs and causes a burning pain. The stinging hairs (trichomes) of nettle plants contain several irritants, including histamine, acetylcholine, serotonin, and an acid. The primary acid responsible for the burning and stinging sensation is formic acid, also known by its IUPAC name, methanoic acid (HCOOH).\" \/>\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-among-the-following-is-present-in-the-nettle-leaf-hairs-that\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which one among the following is present in the nettle leaf hairs that\" \/>\n<meta property=\"og:description\" content=\"Methanoic acid is present in nettle leaf hairs and causes a burning pain. The stinging hairs (trichomes) of nettle plants contain several irritants, including histamine, acetylcholine, serotonin, and an acid. The primary acid responsible for the burning and stinging sensation is formic acid, also known by its IUPAC name, methanoic acid (HCOOH).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-among-the-following-is-present-in-the-nettle-leaf-hairs-that\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T07:01:12+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 among the following is present in the nettle leaf hairs that","description":"Methanoic acid is present in nettle leaf hairs and causes a burning pain. 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The stinging hairs (trichomes) of nettle plants contain several irritants, including histamine, acetylcholine, serotonin, and an acid. 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